SEIKO EPSON CORPORATION patent applications on October 3rd, 2024

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Patent Applications by SEIKO EPSON CORPORATION on October 3rd, 2024

SEIKO EPSON CORPORATION: 128 patent applications

SEIKO EPSON CORPORATION has applied for patents in the areas of H04N9/31 (10), B41J2/175 (8), B41J2/165 (8), B41J2/21 (8), B41J11/00 (7) G03B21/145 (3), G09G3/3426 (3), B41J29/02 (2), H03B5/364 (2), G03G15/55 (2)

With keywords such as: light, unit, configured, portion, image, device, direction, electrode, liquid, and ink in patent application abstracts.



Patent Applications by SEIKO EPSON CORPORATION

20240324961. BIOLOGICAL INFORMATION MEASUREMENT APPARATUS AND BIOLOGICAL INFORMATION MEASUREMENT SET_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroki KOBAYASHI of HARA-MURA (JP) for seiko epson corporation, Ayae SAWADO of Kai-shi (JP) for seiko epson corporation, Yuichi TAKANO of SHIOJIRI-SHI NAGANO-KEN JAPAN (JP) for seiko epson corporation, Fumio KOYAMA of Hara-Mura (JP) for seiko epson corporation

IPC Code(s): A61B5/00, A61B5/021, A61B5/11, A61B5/1455

CPC Code(s): A61B5/721



Abstract: a biological information measurement apparatus includes: a detection unit including a light-emitting unit and a light-receiving unit; an inertial sensor configured to detect a body motion of a test subject; and a housing having a measurement surface configured to face the test subject and accommodating the detection unit and the inertial sensor, in which in a plan view of the measurement surface, a first width of the housing along a parallel axis parallel to an axis of the inertial sensor is different from a second width of the housing along an orthogonal axis orthogonal to the axis of the inertial sensor.


20240324991. Ultrasound Probe_simplified_abstract_(seiko epson corporation)

Inventor(s): Chikara KOJIMA of Matsumoto (JP) for seiko epson corporation, Keita KUBO of Matsumoto (JP) for seiko epson corporation, Hikaru IWAI of Matsukawa (JP) for seiko epson corporation, Eiji OSAWA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): A61B8/00

CPC Code(s): A61B8/4444



Abstract: an ultrasound probe includes: an ultrasound device configured to perform at least one of transmission and reception of an ultrasound wave; and a case housing the ultrasound device. the ultrasound device includes a vibration plate and a piezoelectric element disposed at the vibration plate. the case is provided with an opening facing the vibration plate, and a first communication hole that is provided at a position different from a position of the opening and that communicates an internal space of the case with outside of the case. the case includes a sealing mechanism configured to prevent entry of a water droplet from the opening into the internal space.


20240324997. Ultrasonic Probe_simplified_abstract_(seiko epson corporation)

Inventor(s): Keita KUBO of Matsumoto (JP) for seiko epson corporation, Chikara KOJIMA of Matsumoto (JP) for seiko epson corporation, Hikaru IWAI of Matsukawa (JP) for seiko epson corporation, Eiji OSAWA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): A61B8/00, G01S7/52, G01S15/89

CPC Code(s): A61B8/4494



Abstract: an ultrasonic probe includes: an ultrasonic device configured to transmit an ultrasonic wave; and an acoustic sheet provided at a transmission surface of the ultrasonic wave of the ultrasonic device. the acoustic sheet includes an acoustic lens configured to guide the ultrasonic wave output from the transmission surface in a predetermined direction, a base material covering at least a part of the acoustic lens and having a difference in acoustic impedance from a measurement target less than a predetermined threshold, and a first fixing portion provided at least at a first surface of the base material and configured to detachably fix the acoustic sheet to the measurement target, the first surface being configured to face the measurement target.


20240326067. Magnetic Separation Device And Magnetic Separation Method_simplified_abstract_(seiko epson corporation)

Inventor(s): Fumio TAKAGI of Chino (JP) for seiko epson corporation

IPC Code(s): B03C1/12

CPC Code(s): B03C1/12



Abstract: a magnetic separation device includes: a magnet provided at a position adjacent to a tubular accommodation portion extending along a first axis and having magnetization for applying magnetic field to the accommodation portion; a base configured to support the magnet; and a drive unit configured to change, when an axis orthogonal to the first axis is a second axis and an axis orthogonal to the second axis in a plane including the second axis is a third axis, a posture of the magnet between a first posture in which a direction of the magnetization faces a direction closer to the second axis than the third axis and a second posture in which the direction of the magnetization faces a direction closer to the third axis than the second axis.


20240326147. CONVEYANCE BELT WELDING METHOD AND CONVEYANCE BELT WELDING JIG_simplified_abstract_(seiko epson corporation)

Inventor(s): Hirotaka YASHIRO of MATSUMOTO-SHI (JP) for seiko epson corporation, Hiroki AOKI of MATSUMOTO-SHI (JP) for seiko epson corporation, Tadashi AIZAWA of MATSUMOTO-SHI (JP) for seiko epson corporation, Tsuneyuki SASAKI of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B23K3/047, B23K3/08, B23K101/16

CPC Code(s): B23K3/047



Abstract: a conveyance belt welding method includes supporting the conveyance belt at a belt support surface provided in the conveyance belt welding jig, inserting a first positioning part provided in the conveyance belt welding jig into a first through hole provided at one end portion where the conveyance belt is to be welded, inserting a second positioning part provided in the conveyance belt welding jig into a second through hole provided at another end portion where the conveyance belt is to be welded, and welding the conveyance belt supported by the belt support surface by the conveyance belt welding apparatus with the first positioning part inserted to the first through hole and the second positioning part inserted to the second through hole.


20240326251. Setting Device, Setting Method, And Non-Transitory Computer-Readable Storage Medium Storing Setting Program_simplified_abstract_(seiko epson corporation)

Inventor(s): Dai TANAKA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B25J9/16

CPC Code(s): B25J9/1676



Abstract: a setting device includes a display section configured to display a restriction region setting image including a first input section for selecting and inputting either a restriction region of a permitted region where intrusion of a robot arm of a robot is permitted or a prohibited region where intrusion of the robot arm is prohibited and a second input section for inputting a boundary of the restriction region; an acquisition section configured to acquire setting information input and set in the first input section and the second input section; and a process section configured to set the restriction region for the robot arm based on the setting information acquired by the acquisition section.


20240326307. CONTROL METHOD FOR INJECTION MOLDING SYSTEM AND INJECTION MOLDING SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Yuji SHINBARU of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B29C45/76, B29C45/17, B29C45/42, B29C45/84

CPC Code(s): B29C45/768



Abstract: a control method for an injection molding system including a first housing including a first accommodation space having an injection molding machine arranged therein and a first window, a second housing coupled to the first housing and having a second accommodation space having a robot disposed therein and a second window, the robot performs an operation with respect to a molded article molded by the injection molding machine, and a control device that controls driving of the injection molding machine and the robot, the control method includes in a first state in which the first window and the second window are closed, driving the injection molding machine in a first drive mode, in a second state in which the first window is open, stopping the injection molding machine, and in a third state in which the second window is open, driving the injection molding machine in a second drive mode.


20240326321. Three-Dimensional Object Printing Apparatus And Method_simplified_abstract_(seiko epson corporation)

Inventor(s): Hajime KOBAYASHI of Chino (JP) for seiko epson corporation

IPC Code(s): B29C64/112, B25J9/02, B25J11/00, B29C64/209, B29C64/379, B33Y10/00, B33Y30/00, B33Y40/00

CPC Code(s): B29C64/112



Abstract: there is provided a three-dimensional object printing apparatus including: a first head that ejects a first liquid from a first nozzle onto a workpiece; a second head that ejects a second liquid from a second nozzle onto the workpiece; a first z movement mechanism that moves the first head along a z-axis; a second z movement mechanism that moves the second head along the z-axis; an x movement mechanism that moves the first head and the second head along an x-axis intersecting with the z-axis by collectively moving the first z movement mechanism and the second z movement mechanism along the x-axis; and an articulated robot that supports the workpiece.


20240326330. MATERIAL DISCHARGE DEVICE AND THREE-DIMENSIONAL MODELING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Yasushi KUTSUWADA of MATSUMOTO-SHI (JP) for seiko epson corporation, Masaaki OGIHARA of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B29C64/209, B29C64/393, B33Y30/00, B33Y50/02

CPC Code(s): B29C64/209



Abstract: a material discharge device includes a first part including at least a part of a plasticizing unit configured to plasticize a material to generate a plasticized material; a second part including a cylinder configured to communicate with a flow path through which the plasticized material flows, a rod configured to slide in the cylinder, and a nozzle configured to discharge the plasticized material; and a motor fixed to the first part and configured to operate the rod, the first part and the second part are arranged in a first direction, and the rod engages with a drive shaft of the motor in a manner of allowing the rod to move along the first direction.


20240326332. THREE-DIMENSIONAL SHAPING STAGE AND THREE-DIMENSIONAL SHAPING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takafumi SAMESHIMA of Shiojiri-shi (JP) for seiko epson corporation, Kazuhide NAKAMURA of Asahi-Mura (JP) for seiko epson corporation, Masayuki GOZU of Ina-shi (JP) for seiko epson corporation

IPC Code(s): B29C64/245, B29C64/393, B33Y30/00, B33Y50/02

CPC Code(s): B29C64/245



Abstract: a three-dimensional shaping stage includes: a placement portion having a reference surface whose flatness is adjusted; a shaping stage that has a shaping surface on which a shaping layer is stacked, a first side surface on which a recessed portion is formed, and a second side surface opposite to the first side surface, and that is placed on the reference surface; a pressing member including an engaging member engaging with the recessed portion and configured to press the shaping stage in a direction along the shaping surface; and a retaining member configured to retain the shaping stage on the second side surface.


20240326333. THREE-DIMENSIONAL SHAPING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Manabu WATANABE of SHIOJIRI-SHI (JP) for seiko epson corporation, Akihiko TSUNOYA of OKAYA-SHI (JP) for seiko epson corporation

IPC Code(s): B29C64/245, B29C64/393, B33Y30/00, B33Y50/02

CPC Code(s): B29C64/245



Abstract: a three-dimensional shaping device includes a stage having a shaping surface formed with a first, second, third, and fourth groove, a discharge unit configured to supply a shaping material to the shaping surface, a moving mechanism configured to relatively move the stage and the discharge unit, and a control unit configured to control the discharge unit and the moving mechanism. the control unit is configured to execute a control of forming a first shaping line in the first groove, a control of forming a second shaping line in the second groove, a control of forming a third shaping line in the third groove, a control of forming a fourth shaping line in the fourth groove, a control of forming a first floor layer that couples the first and second shaping lines, and a control of forming a second floor layer that couples the third and fourth shaping lines.


20240326341. THREE-DIMENSIONAL SHAPING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takafumi SAMESHIMA of SHIOJIRI-SHI (JP) for seiko epson corporation, Yuta SAKAI of SHIOJIRI-SHI (JP) for seiko epson corporation, Taki HASHIMOTO of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B29C64/393, B29C64/209, B29C64/236, B29C64/245, B29C64/295, B33Y30/00, B33Y50/02

CPC Code(s): B29C64/393



Abstract: a three-dimensional shaping device includes: a dispensing unit including a plasticizing unit that includes a first heater and plasticizes a material to generate a plasticizing material, and a nozzle that dispenses the plasticizing material; a stage on which the plasticizing material is stacked; a heating unit including a second heater that heats the plasticizing material stacked on the stage; a drive unit configured to change a relative position between the nozzle and the heating unit; and a control unit configured to control the drive unit. a tip end of the nozzle is positioned below the heating unit during shaping of a three-dimensional shaped object, and the control unit controls the drive unit to set a distance between the tip end of the nozzle and the heating unit based on at least one of a temperature of the dispensing unit, a temperature of the heating unit, and a distance between the stage and the tip end of the nozzle.


20240326343. CONVEYANCE BELT WELDING APPARATUS AND CONVEYANCE BELT WELDING METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Hirotaka YASHIRO of MATSUMOTO-SHI (JP) for seiko epson corporation, Tadashi AIZAWA of MATSUMOTO-SHI (JP) for seiko epson corporation, Hiroki AOKI of MATSUMOTO-SHI (JP) for seiko epson corporation, Tsuneyuki SASAKI of MATSUMOTO-SHI (JP) for seiko epson corporation, Shinya TANIGUCHI of MATSUMOTO-SHI (JP) for seiko epson corporation, Kohei YAMADA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B29C65/04, B29C65/14, B29L31/00

CPC Code(s): B29C65/04



Abstract: a conveyance belt welding apparatus includes: a contact part including a contact surface configured to come into contact with the conveyance belt; a first electrode; a second electrode disposed surrounding the first electrode in plan view from a first direction toward the conveyance belt; a first conductor including a coil and configured to electrically couple a transmission line configured to transmit a high-frequency voltage and the first electrode; and a second conductor configured to electrically couple the transmission line and the second electrode. the first electrode and the second electrode weld the conveyance belt by generating electromagnetic waves in response to application of a high-frequency voltage.


20240326408. PRINTING APPARATUS, READING METHOD, AND READING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Atsushi GOTO of Matsumoto (JP) for seiko epson corporation, Takashi KOBAYASHI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B41J2/045, G06K15/02

CPC Code(s): B41J2/04505



Abstract: a printing apparatus includes a printing head, a control unit, a reading unit, and a storage unit, forms a test pattern for correcting a printing characteristic onto a medium, and corrects the printing characteristic based on a reading result of the test pattern by the reading unit. the reading unit reads a density of a printing surface on the medium in units of reading resolution in a first reading direction and a second reading direction intersecting the first reading direction. the storage unit stores an inclination angle � (0�<�<90�) along the printing surface of a reading direction that serves as a reference of inclination from a scanning direction intersecting an alignment direction of a plurality of nozzles of the first reading direction and the second reading direction and the scanning direction. the control unit causes the reading unit to read the test pattern in a state where the reading direction is inclined by the inclination angle � from the scanning direction.


20240326409. ABNORMALITY DETERMINATION METHOD FOR LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Siyuan XU of OSHINO-MURA (JP) for seiko epson corporation, Akira MIYAGISHI of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/045

CPC Code(s): B41J2/0451



Abstract: an abnormality determination method for a liquid ejecting head including a plurality of ejecting portions including a nozzle, a pressure chamber, a first electrode, a second electrode, and a piezoelectric body, and a liquid storage portion that communicates with each of the plurality of ejecting portions, the method including: holding a voltage between the first electrode and the second electrode of a first ejecting portion at a constant voltage in a first period; supplying a drive signal for applying a pressure fluctuation to the liquid in the pressure chamber of a second ejecting portion, to one of the first electrode and the second electrode of the second ejecting portion in the first period; detecting a residual vibration of the first ejecting portion, in a second period following the first period; and determining whether or not the liquid ejecting head has an abnormality based on the residual vibration.


20240326412. LIQUID DISCHARGE APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Daiki MASUJIMA of Shiojiri (JP) for seiko epson corporation, Takashi USUKI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B41J2/045, B41J2/17

CPC Code(s): B41J2/04573



Abstract: a liquid discharge apparatus including: a first control circuit configured to output a reference drive signal and a first discharge control signal; a second control circuit configured to output a second discharge control signal; a drive circuit configured to output a drive signal from the reference drive signal; a first discharge section configured to discharge liquid in accordance with the drive signal and the first discharge control signal; a second discharge section configured to discharge liquid in accordance with the drive signal and the second discharge control signal; a first timing signal output circuit configured to output a first timing signal; and a second timing signal output circuit configured to output a second timing signal, wherein the first control circuit and the second control circuit are operated in accordance with the first timing signal or the second timing signal.


20240326415. LIQUID DISCHARGE APPARATUS AND METHOD FOR DRIVING LIQUID DISCHARGE APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Asami OKAMOTO of MATSUMOTO-SHI (JP) for seiko epson corporation, Akira MIYAGISHI of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/045

CPC Code(s): B41J2/04581



Abstract: a first drive signal includes a first drive pulse that displaces a first piezoelectric element in a first period of a drive cycle, a second drive signal includes a first reference potential maintaining element that maintains a reference potential in a first start period including a start point of the drive cycle, a first potential maintaining element that maintains a first potential in a second period of the drive cycle following the first period, and a second reference potential maintaining element that maintains the reference potential in a first end period that starts after an end of the second period and includes an end point of the drive cycle, a vibration detection section detects a remaining vibration that occurs in a first discharge section in the second period, and a generation section maintains the first potential at a constant potential, regardless of a temperature detected by a temperature detection section.


20240326416. LIQUID EJECTION APPARATUS AND PRINT HEAD_simplified_abstract_(seiko epson corporation)

Inventor(s): Koichi KASHU of Shiojiri (JP) for seiko epson corporation, Toru MATSUYAMA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B41J2/045

CPC Code(s): B41J2/04581



Abstract: a drive signal output circuit that outputs a drive signal for driving a piezoelectric element includes an integrated circuit that outputs a first control signal, a first switching element operated by the first control signal, and a wiring board on which the integrated circuit and the first switching element are provided, wherein the first switching element includes a first transistor chip, a first terminal, a second terminal, and a third terminal all of which are electrically coupled to the first transistor chip, and a first mold member covering the first transistor chip, wherein a conduction state between the second terminal and the third terminal is controlled according to the first control signal input to the first terminal, and wherein the first terminal, the second terminal, and the third terminal are provided only at positions overlapping with the first mold member along a direction normal to the wiring board.


20240326418. LIQUID EJECTING APPARATUS AND METHOD OF DRIVING LIQUID EJECTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Akira MIYAGISHI of SHIOJIRI-SHI (JP) for seiko epson corporation, Asami OKAMOTO of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/045

CPC Code(s): B41J2/04588



Abstract: an inspection signal includes a first potential-changing element having a potential that changes from a first potential to a second potential in one direction in a first time period, a first potential-maintaining element having the second potential maintained in a second time period immediately after the first time period, a second potential-changing element having a potential that changes from the second potential to a third potential in the other direction in a third time period immediately after the second time period, and a second potential-maintaining element having the third potential maintained in a fourth time period immediately after the third time period. when a natural vibration period of an ejecting section is tc, a length of the first time period is equal to or longer than 0.75�tc. a vibration detector detects a residual vibration in a detection period included in the fourth time period.


20240326420. LIQUID EJECTING HEAD_simplified_abstract_(seiko epson corporation)

Inventor(s): Yoichi NAGANUMA of MATSUMOTO-SHI (JP) for seiko epson corporation, Shohei MIZUTA of MATSUMOTO-SHI (JP) for seiko epson corporation, Yuki WATANABE of MATSUMOTO-SHI (JP) for seiko epson corporation, Madoka GOI of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/14

CPC Code(s): B41J2/1404



Abstract: a liquid ejecting head has a piezoelectric element, a diaphragm, and a pressure chamber substrate having a pressure chamber coupled to a nozzle and contributing to ejection of a liquid by applying pressure on the liquid through vibration of the diaphragm and a dummy pressure chamber not contributing to ejection of the liquid. each of the pressure chamber and the dummy pressure chamber opens on a surface opposite to a surface facing the diaphragm of the pressure chamber substrate, and is a recess having a depth in a direction toward the diaphragm along the lamination direction. furthermore, the pressure chamber and the dummy pressure chamber are arranged in an arrangement direction perpendicular to the lamination direction, and a first depth as the depth of the dummy pressure chamber is shallower than a second depth as the depth of the pressure chamber.


20240326426. Liquid Ejecting Head_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroaki TAMURA of Shimosuwa (JP) for seiko epson corporation

IPC Code(s): B41J2/14

CPC Code(s): B41J2/14233



Abstract: a liquid ejecting head includes a piezoelectric element, a diaphragm, a reinforcing film, and a pressure chamber substrate. the reinforcing film is formed along a first direction, overlaps a boundary between the partition wall and the pressure chamber, and satisfies y1>y2 and 0<a1<a2 where y1 is a first thickness of the reinforcing film in the lamination direction at a first position, y2 is a second thickness of the reinforcing film in the lamination direction at a second position closer to the center of the pressure chamber than the first position, a1 is an absolute value of a slope of a first tangent line, to an inclined surface as a surface of the reinforcing film that is not in contact with the diaphragm, at the first position, and a2 is an absolute value of a slope of a second tangent line at the second position.


20240326432. RECORDING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Haruki MIYASAKA of MATSUMOTO-SHI (JP) for seiko epson corporation, Nobuhiko SHINOZAKI of OKAYA-SHI (JP) for seiko epson corporation, Soshi OKAWA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/14, B41J2/165

CPC Code(s): B41J2/1433



Abstract: a recording apparatus includes a liquid ejection head including a plurality of nozzles configured to eject a liquid onto a medium; and a facing portion disposed to face the liquid ejection head, wherein the liquid ejection head includes, in a plate member facing the facing portion, a head chip including the nozzles; and a protrusion member protruding from the plate member to the facing portion, the protrusion member being a rib-shaped member disposed to avoid the nozzles provided in the head chip, and the protrusion member extends in a direction intersecting the medium transport direction.


20240326433. LIQUID EJECTING HEAD AND LIQUID EJECTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroyuki HAGIWARA of MATSUMOTO-SHI (JP) for seiko epson corporation, Shun KATSUIE of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/15

CPC Code(s): B41J2/15



Abstract: there is provided a liquid ejecting head h including a plurality of head chips. the plurality of head chips include one or a plurality of first head chips and one or a plurality of second head chips having a higher ejection ability than the first head chip.


20240326436. Method Of Manufacturing Liquid Ejecting Head_simplified_abstract_(seiko epson corporation)

Inventor(s): Masahiro FUJII of Shiojiri (JP) for seiko epson corporation, Koji KITAHARA of Ina (JP) for seiko epson corporation, Shinichi YOTSUYA of Chino (JP) for seiko epson corporation, Motoki TAKABE of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B41J2/16, B41J2/14

CPC Code(s): B41J2/1607



Abstract: the method comprising: a first step of forming the narrowed portion by performing metal-assisted chemical etching in a state in which a metal film is formed at a surface of a first portion corresponding to the narrowed portion, the surface of the first portion being a part of a first surface of a semiconductor substrate, and the metal film is not formed at a surface of a second portion not corresponding to the narrowed portion, the surface of the second portion being a part of the first surface.


20240326437. Method Of Manufacturing Liquid Discharging Head, Method Of Manufacturing Nozzle Substrate, And Liquid Discharging Head_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinichi YOTSUYA of Chino (JP) for seiko epson corporation, Masahiro FUJII of Shiojiri (JP) for seiko epson corporation, Koji KITAHARA of Ina (JP) for seiko epson corporation

IPC Code(s): B41J2/16, B41J2/14

CPC Code(s): B41J2/162



Abstract: a method of manufacturing a liquid discharging head includes a pressure chamber substrate that includes a pressure chamber and a nozzle substrate that includes a nozzle communicating with the pressure chamber and is formed of a semiconductor substrate, the method including a first step in which, in a state where a metal film is formed on the nozzle substrate in a first portion corresponding to the nozzle of a first surface which is a surface of the nozzle substrate on a pressure chamber substrate side, and the metal film is not formed on the nozzle substrate in a second portion not corresponding to the nozzle of the first surface, the nozzle is formed by carrying out metal assist chemical etching.


20240326440. RECORDING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Sho ARUGA of CHINO-SHI (JP) for seiko epson corporation, Tomoya KURASHINA of SHIOJIRI-SHI (JP) for seiko epson corporation, Nobuhiko SHINOZAKI of OKAYA-SHI (JP) for seiko epson corporation, Soshi OKAWA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/165, B41J11/00

CPC Code(s): B41J2/16535



Abstract: a recording apparatus includes a liquid ejection head including a plurality of nozzles configured to eject a liquid onto a medium, the liquid ejection head being elongated in a medium width direction that is a direction intersecting a medium transport direction, a facing portion disposed to face the liquid ejection head, and a wiper configured to wipe a head surface of the liquid ejection head while moving in the medium width direction, and the wiper is provided on a wiper carriage that moves in the medium width direction using power from a first motor, and an edge detection unit for detecting an edge of the medium is included at a position facing the facing unit in the wiper carriage.


20240326443. LIQUID EJECTION APPARATUS AND CONTROL METHOD FOR LIQUID EJECTION APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Sawako TSUJIMURA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/165

CPC Code(s): B41J2/16544



Abstract: a liquid ejection apparatus includes a liquid ejection head, an absorbing member, and a control unit, in which the liquid ejection head and the absorbing member are movable relative to each other in a scanning direction and a sub-scanning direction, the receiving area includes a plurality of first divided receiving areas and a plurality of second divided receiving areas, and the control unit performs flushing on one or more of the first divided receiving areas when there is no first divided receiving area exceeding a first reception limit when flushing is performed on the one or more corresponding first divided receiving areas by one or more nozzle arrays, and performs flushing on one or more of the second divided receiving areas when there is a first divided receiving area exceeding the first reception limit.


20240326444. RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Tomoya KURASHINA of SHIOJIRI-SHI (JP) for seiko epson corporation, Sho ARUGA of CHINO-SHI (JP) for seiko epson corporation, Nobuhiko SHINOZAKI of OKAYA-SHI (JP) for seiko epson corporation, Soshi OKAWA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/165, B41J13/03

CPC Code(s): B41J2/16544



Abstract: a recording device includes a facing portion disposed facing a liquid discharge head and a wiper configured to wipe the head surface of the liquid discharge head by moving in the medium conveying direction with respect to the liquid discharge head. the facing portion is movable, to a recording position at which the facing portion faces the liquid discharge head and a retreat position to which the facing portion retreats from the recording position. the wiper is provided at the facing portion switchably between a first posture in which the wiper is configured to wipe the head surface and a second posture in which the wiper is farther from the head surface than in the first posture. the wiper wipes the head surface when the facing portion moves along the medium conveying direction with the wiper being in the first posture.


20240326446. RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Tomoya KURASHINA of SHIOJIRI-SHI (JP) for seiko epson corporation, Sho ARUGA of CHINO-SHI (JP) for seiko epson corporation, Nobuhiko SHINOZAKI of OKAYA-SHI (JP) for seiko epson corporation, Haruki MIYASAKA of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/165, B41J11/04

CPC Code(s): B41J2/16547



Abstract: a cap portion includes a first edge portion that is a portion configured to come into contact with the head surface and that extends in the medium width direction and a second edge portion that is a portion configured to come into contact with the head surface, that is located downstream of the first edge portion in the medium conveying direction, and that extends in the medium width direction. one of the first edge portion and the second edge portion is provided with a wiper. the cap portion is movable moving along the medium conveying direction, to a first position at which the cap portion faces the head surface and a second position to which the cap portion retreats from the first position. the wiper wipes the head surface when the cap portion moves from the first position to the second position.


20240326449. LIQUID EJECTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinji FUJIMAKI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B41J2/17, B41J2/175, H05K7/20

CPC Code(s): B41J2/1714



Abstract: a liquid ejecting apparatus includes a print head that ejects liquid onto a medium, a liquid storage section that stores the liquid, a tube that supplies the liquid from the liquid storage section to the print head, a duct in which gas flows, and a fan that forms a flow of the gas in the duct. at least a portion of the tube is disposed in the duct.


20240326451. Ink Jet Recording Apparatus And Recording Method_simplified_abstract_(seiko epson corporation)

Inventor(s): Kenta UCHIDA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B41J2/175, B41J2/21, C09D11/322, C09D11/40

CPC Code(s): B41J2/175



Abstract: an ink jet recording apparatus includes: an ink accommodating container having an ink pouring port; an ink composition; and an ink jet head that discharges the ink composition supplied from the ink accommodating container, in which the ink accommodating container includes a first ink accommodating container and a second ink accommodating container having a lower height from a bottom of the accommodating container to the ink pouring port than the first ink accommodating container, the ink composition includes a first ink composition accommodated in the first ink accommodating container and a second ink composition accommodated in the second ink accommodating container, and the first ink composition has a lower foaming property than the second ink composition.


20240326452. Ink Jet Recording Apparatus And Recording Method_simplified_abstract_(seiko epson corporation)

Inventor(s): Kenta UCHIDA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B41J2/175, B41J2/21

CPC Code(s): B41J2/175



Abstract: an ink jet recording apparatus includes: an ink accommodating container having an ink pouring port; an ink composition; and an ink jet head that discharges the ink composition supplied from the ink accommodating container, in which the ink accommodating container includes a first ink accommodating container and a second ink accommodating container having a lower height from a bottom of the accommodating container to the ink pouring port than the first ink accommodating container, the ink composition includes a first ink composition accommodated in the first ink accommodating container and a second ink composition accommodated in the second ink accommodating container, and the first ink composition has a higher defoaming property than the second ink composition.


20240326453. CONTROL METHOD OF LIQUID DISCHARGE APPARATUS AND LIQUID DISCHARGE APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Ryota TAKAHASHI of SHIOJIRI-SHI (JP) for seiko epson corporation, Sawako TSUJIMURA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/175, B41J2/21

CPC Code(s): B41J2/17503



Abstract: a liquid discharge apparatus includes a liquid discharge head, an attachment unit, and an operation unit including a display unit. the attachment unit includes a first attachment portion for a first liquid reservoir unit that reserves a first liquid, and a second attachment portion fora second liquid reservoir unit that reserves a second liquid having a sedimentation property inferior to that of the first liquid. a control method includes, in a case in which execution of a replacement mode is instructed, displaying information for prompting removal of the first liquid reservoir unit, displaying information for prompting attachment of a different second liquid reservoir unit from the second liquid reservoir unit attached to the second attachment portion, to the first attachment portion, and supplying the second liquid to nozzles that discharge the first liquid when the different second liquid reservoir unit is attached to the first attachment portion.


20240326454. LIQUID SUPPLY CONTAINER AND METHOD OF MANUFACTURING THE SAME_simplified_abstract_(seiko epson corporation)

Inventor(s): Tadahiro MIZUTANI of Shiojiri-shi (JP) for seiko epson corporation, Atsushi KOBAYASHI of Matsumoto-shi (JP) for seiko epson corporation, Shun OYA of Kiso-machi (JP) for seiko epson corporation

IPC Code(s): B41J2/175, B65D47/04, B65D53/02

CPC Code(s): B41J2/17509



Abstract: a liquid supply container includes a liquid inlet/outlet portion forming member including a cylindrical portion attached to an opening end of a storage portion configured to contain liquid. an inlet/outlet portion of liquid for the storage portion is formed in the cylindrical portion, and an valve is disposed in the inlet/outlet portion. a valve body of the valve is movably accommodated in a holder member. the cylindrical portion of the liquid inlet/outlet portion forming member forms a void portion surrounding the holder member in a circumferential direction between the cylindrical portion and the holder member. a rib or a flange portion is provided for dividing the void portion into at least two portions in the circumferential direction or a moving direction of the valve body.


20240326456. LIQUID CONTAINER AND METHOD FOR REUSING LIQUID CONTAINER_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroto HANBA of Shiojiri-shi (JP) for seiko epson corporation

IPC Code(s): B41J2/175

CPC Code(s): B41J2/17543



Abstract: a liquid container includes a liquid containing body that contains liquid, a case that houses the liquid containing body, and a display board portion on which identification information regarding the liquid container is gathered and displayed. the case has a mounting surface from which a supply portion through which the liquid in the liquid containing body is supplied is exposed. the display board portion is detachably provided on a surface region of the case that is different from the mounting surface.


20240326460. PRINTING DEVICE AND PRINTING METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Kenji OTOKITA of YAMAGATA-MURA (JP) for seiko epson corporation

IPC Code(s): B41J2/21, B41J2/145, B41J11/00, B41J25/00, C09D11/101

CPC Code(s): B41J2/2107



Abstract: a printing device includes a head unit; a movement section configured to relative movement of the print medium and the head unit; an irradiation sections of ultraviolet rays; and a storage section, wherein it has, as nozzle rows, a first nozzle row which ejects the first ink of the first color and a second nozzle row which ejects the second ink of the first color having different characteristics from the first ink, the storage section is configured to store a plurality of print modes in which having different ratios between the print duty of the first ink and the print duty of the second ink, and when print data includes first color data to be printed using ultraviolet curable ink of the first color, it is configured to distribute into the first ink and the second ink based on the ratio of a selected print mode and then print.


20240326461. PRINTING DEVICE AND PRINTING METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Akito SATO of Matsumoto (JP) for seiko epson corporation, Masahiro MURATA of Shiojiri (JP) for seiko epson corporation, Kazuki TAKEUCHI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B41J2/21

CPC Code(s): B41J2/2132



Abstract: a control section performs overlap printing in a second mode using black ink, which is achromatic. for example, when five continuous raster lines are formed, all of the five raster lines are formed by nozzles included in a downstream end nozzle group, nozzles included in an upstream end nozzle group, and nozzles included in an intermediate nozzle group. the control section performs overlap printing in a first mode using another ink that is a chromatic color. for example, when five continuous raster lines are formed, one raster line is formed by nozzles included in the downstream end nozzle group, nozzles included in the upstream end nozzle group, and nozzles included in the intermediate nozzle group, and the other four raster lines are formed by two nozzles included in the intermediate nozzle group.


20240326463. PRINTING DEVICE AND PRINTING METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Takumi JOKO of Shiojiri (JP) for seiko epson corporation, Shun SAKAIHARA of Shiojiri (JP) for seiko epson corporation, Yuya NAKAMURA of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B41J2/21, B41J2/045

CPC Code(s): B41J2/2139



Abstract: a printing device includes a print head including a plurality of nozzles configured to eject liquid onto a medium; a carriage on which the print head is mounted and which is configured to reciprocate along a predetermined main scanning direction; and a control section that controls ejection of liquid by the print head, wherein the control section prints a test pattern on the medium by main scanning, which is an ejection operation of liquid by the print head in accordance with movement of the carriage along the main scanning direction, acquires an unevenness position, which is a position in the main scanning direction where density unevenness in an intersecting direction, which intersects the main scanning direction, occurs in a print result of the test pattern, and corrects an ejecting amount of liquid for the unevenness position by the print head in accordance with the density unevenness.


20240326464. PRINTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Katsuo TAKEUCHI of Suwa (JP) for seiko epson corporation

IPC Code(s): B41J2/355

CPC Code(s): B41J2/3558



Abstract: a printing apparatus operates by receiving power from a usb pd adapter outputting a dc voltage. the printing apparatus includes a first printing section configured to perform printing on a medium, a second printing section configured to perform printing on the medium, and a negotiation information obtainer configured to obtain negotiation information between the printing apparatus and the usb pd adapter. the negotiation information includes a rated power value. when the rated power value is less than the first predetermined value, the second printing section is configured to not perform printing on the medium during a time period in which the first printing section performs printing on the medium, and the first printing section is configured to not perform printing on the medium during a time period in which the second printing section performs printing on the medium.


20240326465. RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Sho ARUGA of CHINO-SHI (JP) for seiko epson corporation, Tomoya KURASHINA of SHIOJIRI-SHI (JP) for seiko epson corporation, Haruki MIYASAKA of MATSUMOTO-SHI (JP) for seiko epson corporation, Soshi OKAWA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/44, B41J11/04

CPC Code(s): B41J2/44



Abstract: a recording device includes: a liquid discharging head; an opposing section including an opening portion formed at a position that is opposed to the liquid discharging head; a cap section disposed at an inside of the opening portion; and a shutter configured to open and close the opening portion. the opening portion is formed so as to be opened alternately at an upstream position and a downstream position along a medium width direction so as to correspond to the arrangement of a plurality of head chips. the opposing section includes a support portion disposed between two head chips adjacent in the medium width direction and configured to be able to support the shutter disposed at the shielding position.


20240326466. RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takashi GOKUDEN of AZUMINO-SHI (JP) for seiko epson corporation, Hiroki NISHIOKA of SUWA-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/455

CPC Code(s): B41J2/455



Abstract: a recording device includes a laser element configured to emit laser light, a light reception element, a moving mechanism configured to change a relative position of the laser element and a recording target object and a relative position of the laser element and the light reception element, and a control unit configured to control the laser element and the moving mechanism. the control unit performs a first process of controlling the laser element and the moving mechanism to irradiate the light reception element with laser light in a state where the laser element and the light reception element face each other, and a second process of controlling the laser element and the moving mechanism to irradiate the recording target object with laser light based on a detection value of the light reception element in a state where the laser element and the recording target object face each other.


20240326473. PRINTING SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Ryuji MORIYAMA of MATSUMOTO-SHI (JP) for seiko epson corporation, Yoshihiko MOMOSE of SHIOJIRI-SHI (JP) for seiko epson corporation, Yoichi KOBAYASHI of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J11/00, B41J2/21, C09D11/101

CPC Code(s): B41J11/00214



Abstract: a printing system includes a printing unit that includes a printing head configured to discharge uv curable ink from a plurality of nozzles to a medium and is configured to execute printing, a deodorizing unit configured to suck odor generated from the uv curable ink, and a control unit configured to control the printing unit and the deodorizing unit. the control unit controls suction by the deodorizing unit according to any one of an operation of the printing unit, print data input from outside for printing, and an operation on the printing unit by a user.


20240326474. RECORDING SYSTEM AND POST-PROCESSING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Masashi KITAHARA of Minamiminowa-Mura (JP) for seiko epson corporation, Naoki HORI of Shiojiri-Shi (JP) for seiko epson corporation, Tomoyuki SHIIYA of Matsumoto-Shi (JP) for seiko epson corporation, Yoshikazu HAMA of Okaya-Shi (JP) for seiko epson corporation

IPC Code(s): B41J11/00, B41J11/66

CPC Code(s): B41J11/007



Abstract: a recording system includes a first unit configured to transport a medium that is continuous, a recording unit configured to perform recording on the medium transported by the first unit, a second unit configured to transport the medium, a post-processing unit configured to perform predetermined post-processing on the medium transported by the second unit, and a buffer provided between the first unit and the second unit, the buffer being configured to accumulate the medium transported from the first unit and feed the medium to the second unit, wherein in a recording period in which the recording unit performs the recording on the medium, the second unit transports the medium at a first velocity, and in a non-recording period that is after the recording period and in which the recording unit does not perform the recording on the medium.


20240326477. TAPE END DETECTION DEVICE, TAPE PRINTING DEVICE, AND CONTROL METHOD OF TAPE END DETECTION DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Kenji MOTAI of Matsumoto-shi (JP) for seiko epson corporation, Keishin SAKAMOTO of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): B41J11/00, B41J2/325, B41J3/407, B41J11/70, B41J15/04

CPC Code(s): B41J11/0095



Abstract: a tape end detection device detects, based on a detection result of a first sensor, that a specific position other than a terminal end of a tape passed through a first detection position, detects, based on a detection result of a second sensor, that the tape cut by a cutter was discharged from a tape discharge port, and detects, based on the detection results of the first sensor and the second sensor, a tape end indicating that the terminal end of the tape passed through a feed roller.


20240326482. RECORDING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Soshi OKAWA of SHIOJIRI-SHI (JP) for seiko epson corporation, Sho ARUGA of CHINO-SHI (JP) for seiko epson corporation, Tomoya KURASHINA of SHIOJIRI-SHI (JP) for seiko epson corporation, Nobuhiko SHINOZAKI of OKAYA-SHI (JP) for seiko epson corporation

IPC Code(s): B41J13/03, B41J2/14, B41J2/165

CPC Code(s): B41J13/03



Abstract: a recording apparatus includes a liquid ejection head including a plurality of nozzles that eject a liquid onto a medium, and a facing portion disposed to face the liquid ejection head, the liquid ejection head includes a plurality of head chips including the nozzles, in a plate member facing the facing portion, and a cutout portion is formed in a peripheral edge of the plate member to avoid the head chips, and a contact member configured to come into contact with the medium is disposed in the cutout portion.


20240326485. PRINTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Masahiro KAWAJIRI of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J15/04, B41J11/00, B41J29/13

CPC Code(s): B41J15/046



Abstract: a printing apparatus includes a transport roller pair configured to transport a printing medium in a transport direction, an arm unit being configured to support the driven roller, a lower surface guide being configured to support the printing medium from below, an upper surface guide disposed at a position facing the lower surface guide and spaced apart from the lower surface guide, the upper surface guide being configured to form, between the upper surface guide and the lower surface guide, a transport path of the printing medium, and an upper surface guide pivoting shaft configured to pivotably support the upper surface guide, wherein an end portion of the upper surface guide located downstream in the transport direction is located below the arm unit, and the upper surface guide is configured to pivot in a direction away from the lower surface guide.


20240326487. RECORDING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Soshi OKAWA of SHIOJIRI-SHI (JP) for seiko epson corporation, Tomoya KURASHINA of SHIOJIRI-SHI (JP) for seiko epson corporation, Sho ARUGA of CHINO-SHI (JP) for seiko epson corporation, Haruki MIYASAKA of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J25/308, B41J2/165

CPC Code(s): B41J25/308



Abstract: a recording apparatus includes a liquid ejection head that performs recording by ejecting a liquid onto a medium, a facing portion disposed to face the liquid ejection head, and a cap portion that covers a liquid ejection surface of the liquid ejection head, and an opening portion is formed in the facing portion, the cap portion is disposed at a position that is on the inner side of the opening portion and faces the liquid ejection surface, the liquid ejection head is movable in a direction in which the liquid ejection head moves forward and backward with respect to the facing portion by power of a motor, and a movement region of the liquid ejection head includes a recording position at which recording is performed on the medium, and a cap position at which the liquid ejection surface is covered by the cap portion.


20240326489. PRINTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Kenichi HIRABAYASHI of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J29/02, B41J2/165, B41J2/17, B41J29/13

CPC Code(s): B41J29/02



Abstract: a printing apparatus includes a medium storage unit that stores a medium, a printing unit including a print head that forms an image on the medium, a medium conveyance unit that conveys the medium toward the print head, an ink storage unit that stores ink, a housing internally accommodating the medium storage unit, the printing unit, the medium conveyance unit, and the ink storage unit, and an operation panel configured to instruct formation of the image on the medium. the housing includes an opening/closing portion opened/closed when the medium is stored in the medium storage unit, an opening/closing portion opened/closed when the ink is stored in the ink storage unit, and an opening/closing portion opened/closed when the print head is accessed. handhold portions at which a hand is put when the opening/closing portions are opened/closed, and the operation panel are disposed at the same surface of the housing.


20240326490. DETECTION DEVICE AND RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takehiro SHIN of SHIOJIRI-SHI (JP) for seiko epson corporation, Kentaro NAKAMURA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J29/02, B41J11/26, B41J29/393

CPC Code(s): B41J29/02



Abstract: a detection device is a detection device that detects opening and closing of a door with respect to a device main body, including a pressing member attached to the door, a sensor attached to the device main body, and configured to detect that the door is closed by detecting the pressing member, and a switch attached to the device main body, and configured to interrupt power supply when pressing by the pressing member is released, wherein the sensor and the switch are positioned above or below the pressing member in a state where the door is closed, and positioned so as to overlap each other when viewed from a vertical direction.


20240326493. ELECTRONIC APPARATUS AND CABLE PROTECTING UNIT_simplified_abstract_(seiko epson corporation)

Inventor(s): Yusuke HIGUCHI of MATSUMOTO-SHI (JP) for seiko epson corporation, Yohei SAKAI of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J29/13, B41J2/14, B41J29/54, H01B7/00, H04N1/00

CPC Code(s): B41J29/13



Abstract: an electronic apparatus includes: an apparatus body; a door configured to be displaced to an opened state in which the door is opened relative to the apparatus body and a closed state in which the door is closed relative to the apparatus body; a cable provided between the apparatus body and the door; and a cable protecting unit configured to protect the cable. the cable protecting unit includes: a base-portion member; and a movable member provided slidably relative to the base-portion member. when the door is displaced from the closed state to the opened state, the movable member slides relative to the base-portion member to increase a length by which the movable member extends from the base-portion member.


20240326494. LIQUID EJECTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinji FUJIMAKI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B41J29/377, B41J2/155, B41J2/17, B41J2/175

CPC Code(s): B41J29/377



Abstract: a liquid ejecting apparatus includes a print head that ejects liquid onto a medium, a liquid storage section that stores the liquid, a tube that supplies the liquid from the liquid storage section to the print head, a duct in which gas flows, and a fan that forms a flow of the gas in the duct. at least a portion of the tube is in contact with the duct.


20240326499. Recording Method And Recording Apparatus_simplified_abstract_(seiko epson corporation)

Inventor(s): Naoki KOIKE of Matsumoto (JP) for seiko epson corporation, Ippei OKUDA of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B41M3/00, B41J2/21, B41M5/00, C09D11/40, C09D11/54

CPC Code(s): B41M3/008



Abstract: a recording method according to one embodiment of the present disclosure includes a treatment liquid attachment step of attaching a treatment liquid containing an aggregating agent to a recording medium, a white ink attachment step of ejecting a white ink composition containing a white coloring material from an ink jet head and attaching the white ink composition to the recording medium, and a non-white ink attachment step of ejecting a non-white ink composition containing a non-white coloring material from the ink jet head and attaching the non-white ink composition to the recording medium, the white ink composition and the non-white ink composition are aqueous inks, the white ink attachment step and the non-white ink attachment step are each performed by scanning in which the ink composition is ejected from the ink jet head and attached to the recording medium while the ink jet head is moved with respect to the recording medium in a state where a position is fixed, in the white ink attachment step, the white ink composition is attached to a scanning region of one scanning in one scanning, in the non-white ink attachment step, the non-white ink composition is attached to a scanning region of one scanning in one scanning, on the scanning region in which scanning in one of the white ink attachment step and the non-white ink attachment step is performed, scanning in another step is performed by another scanning, and in the white ink attachment step and the non-white ink attachment step, a surface temperature of the recording medium is 35� c. or lower.


20240327149. MEDIUM FEEDING APPARATUS, RECORDING APPARATUS, AND CONTROL METHOD FOR RECORDING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Takuro FURUSAWA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B65H3/06, B65H23/32, B65H43/02

CPC Code(s): B65H3/0669



Abstract: a medium feeding apparatus includes a driving portion that drives a feeding roller, an arm portion that supports the feeding roller, and a displacement portion that can come into contact with the arm portion. the arm portion displaces the feeding roller between a contact position and a separation position. the contact position is a position where the feeding roller comes into contact with the medium, and the separation position is a position where the feeding roller is separated from the medium. the displacement portion rotates the arm portion to displace the feeding roller from the separation position to the contact position by using forward rotation power from the driving portion, and rotates the arm portion to displace the feeding roller from the contact position to the separation position by using reverse rotation power from the driving portion.


20240327153. PRINTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Kenichi TSUBAKI of AZUMINO-SHI (JP) for seiko epson corporation

IPC Code(s): B65H5/06, B41J11/00, B41J15/04, B41J29/13

CPC Code(s): B65H5/062



Abstract: when a user opens an opening/closing portion for accessing an inside of a housing, a shaft member is displaced in a +z direction by a biasing force of a spring, and moves a lever member in the +z direction. a rotation shaft rotates in a +� direction along with displacement of the shaft member in the +z direction. as a result, a cam rotates in the +� direction together with the rotation shaft, and presses, by a projection portion, a cam reception portion of an arm unit main body in a −x direction against the biasing force of the spring. due to this, the cam rotates the arm unit main body in a −� direction. then, a driven roller moves the +z direction along with rotation of the arm unit main body in the −� direction, and is switched from a nip state to a non-nip state.


20240327154. PRINTING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Yuki INOUE of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B65H5/06, B41J15/04, B41J29/02

CPC Code(s): B65H5/062



Abstract: a printing device includes a transport roller pair that sandwiches a print medium and that transports the print medium in a transport direction f, a first side frame , a second side frame . the transport roller pair has a transport roller , a first rotation shaft that is a rotation shaft of the transport roller , a driven roller that is located at a position facing the transport roller , a second rotation shaft that is a rotation shaft of the driven roller , an arm section that holds rotatably the second rotation shaft, and an arm support shaft that extends along a direction in which the second rotation shaft extends and supports the arm section . the transport roller and the arm support shaft are arranged parallel to each other in a longitudinal direction, by the first side frame positioning one end portion of the arm support shaft in the longitudinal direction and by the second side frame positioning an other end portion of the arm support shaft in the longitudinal direction.


20240327156. MEDIUM FEEDING DEVICE, RECORDING DEVICE, FEEDING ROLLER UNIT, AND METHOD OF CONTROLLING RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Katsunari KUMAGAI of OKAYA-SHI (JP) for seiko epson corporation

IPC Code(s): B65H5/06, B65H7/08, B65H85/00

CPC Code(s): B65H5/068



Abstract: a feeding roller feeds a medium placed at a medium placement portion by forward rotation power supplied from a driving unit. a displacement portion displaces the feeding roller to an abutting position by the forward rotation power supplied from the driving unit and displaces the feeding roller to a separation position by reverse rotation power supplied from the driving unit. a power transmission unit includes a one-way clutch that transmits the forward rotation power, that is supplied from the driving unit, to the feeding roller but does not transmit the reverse rotation power, that is supplied from the driving unit, to the feeding roller.


20240327157. TRANSPORT DEVICE AND RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Masashi OGAWA of SHIOJIRI-SHI (JP) for seiko epson corporation, Ryoichi MORISAWA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B65H5/36, B65H3/06

CPC Code(s): B65H5/36



Abstract: a transport device configured to transport a medium stacked on a loading section is disclosed. the transport device includes a transport roller and a separation roller and is configured to separate the medium one sheet at a time. a rotation shaft is attached to the separation roller and a movable guide member guides the medium between the transport roller and the separation roller, to be aligned with the separation roller in a shaft direction of the rotation shaft, and to be movable in the shaft direction. the separation roller is attachable to and detachable from the rotation shaft by moving in the shaft direction. by moving in the shaft direction, the movable guide member is displaced between a guide position at which the medium is guided and a retracted position at which the separation roller is movable in the shaft direction with respect to the rotation shaft.


20240327189. INK POURING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Yasushi UTSUGI of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B67C3/26, B41J2/175

CPC Code(s): B67C3/26



Abstract: an ink pouring device that pours ink into an ink bottle for supplying the ink to an ink tank provided in a printer includes: a coupling portion; and a pouring portion configured to pour the ink into the ink bottle only when a coupling target portion of the ink bottle is fitted into the coupling portion.


20240327620. Molding Material_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinobu YOKOKAWA of Okaya (JP) for seiko epson corporation, Shintaro ASAI of Matsumoto (JP) for seiko epson corporation, Hirofumi HOKARI of Chino (JP) for seiko epson corporation, Atsushi YAMADA of Chino (JP) for seiko epson corporation, Toshihiro OTAKE of Chino (JP) for seiko epson corporation

IPC Code(s): C08L1/12, C08J5/04

CPC Code(s): C08L1/12



Abstract: the molding material of the present disclosure includes a cellulose fiber and a specific cellulose derivative in which a part of the hydrogen atoms constituting the hydroxy groups of cellulose is substituted with a chemical structure represented by the following formula (1) and another part of the hydrogen atoms is substituted with a chemical structure represented by the following formula (2), wherein the content of the cellulose fiber is 50 mass % or more and 70 mass % or less.


20240327620. Molding Material_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinobu YOKOKAWA of Okaya (JP) for seiko epson corporation, Shintaro ASAI of Matsumoto (JP) for seiko epson corporation, Hirofumi HOKARI of Chino (JP) for seiko epson corporation, Atsushi YAMADA of Chino (JP) for seiko epson corporation, Toshihiro OTAKE of Chino (JP) for seiko epson corporation

IPC Code(s): C08L1/12, C08J5/04

CPC Code(s): C08L1/12



Abstract:

—(c═o)r  (1)


20240327620. Molding Material_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinobu YOKOKAWA of Okaya (JP) for seiko epson corporation, Shintaro ASAI of Matsumoto (JP) for seiko epson corporation, Hirofumi HOKARI of Chino (JP) for seiko epson corporation, Atsushi YAMADA of Chino (JP) for seiko epson corporation, Toshihiro OTAKE of Chino (JP) for seiko epson corporation

IPC Code(s): C08L1/12, C08J5/04

CPC Code(s): C08L1/12



Abstract:

—(c═o)r-il  (2)


20240327623. Molding Material_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinobu YOKOKAWA of Okaya (JP) for seiko epson corporation, Shintaro ASAI of Matsumoto (JP) for seiko epson corporation, Hirofumi HOKARI of Chino (JP) for seiko epson corporation, Atsushi YAMADA of Chino (JP) for seiko epson corporation

IPC Code(s): C08L1/32, C08B3/08, C08J5/04, C08K5/00

CPC Code(s): C08L1/32



Abstract: the molding material of the present disclosure includes a cellulose fiber and a specific cellulose derivative in which a part of the hydrogen atoms constituting the hydroxy groups of cellulose is substituted with a chemical structure represented by the following formula (1) or (3) and another part of the hydrogen atoms is substituted with a chemical structure represented by the following formula (2) or (4), wherein the content of the cellulose fiber is 50 mass % or more and 70 mass % or less.


20240327623. Molding Material_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinobu YOKOKAWA of Okaya (JP) for seiko epson corporation, Shintaro ASAI of Matsumoto (JP) for seiko epson corporation, Hirofumi HOKARI of Chino (JP) for seiko epson corporation, Atsushi YAMADA of Chino (JP) for seiko epson corporation

IPC Code(s): C08L1/32, C08B3/08, C08J5/04, C08K5/00

CPC Code(s): C08L1/32



Abstract:

—r  (1)


20240327623. Molding Material_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinobu YOKOKAWA of Okaya (JP) for seiko epson corporation, Shintaro ASAI of Matsumoto (JP) for seiko epson corporation, Hirofumi HOKARI of Chino (JP) for seiko epson corporation, Atsushi YAMADA of Chino (JP) for seiko epson corporation

IPC Code(s): C08L1/32, C08B3/08, C08J5/04, C08K5/00

CPC Code(s): C08L1/32



Abstract:

—r—(or)—or  (2)


20240327623. Molding Material_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinobu YOKOKAWA of Okaya (JP) for seiko epson corporation, Shintaro ASAI of Matsumoto (JP) for seiko epson corporation, Hirofumi HOKARI of Chino (JP) for seiko epson corporation, Atsushi YAMADA of Chino (JP) for seiko epson corporation

IPC Code(s): C08L1/32, C08B3/08, C08J5/04, C08K5/00

CPC Code(s): C08L1/32



Abstract:

—(c═o)r  (3)


20240327623. Molding Material_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinobu YOKOKAWA of Okaya (JP) for seiko epson corporation, Shintaro ASAI of Matsumoto (JP) for seiko epson corporation, Hirofumi HOKARI of Chino (JP) for seiko epson corporation, Atsushi YAMADA of Chino (JP) for seiko epson corporation

IPC Code(s): C08L1/32, C08B3/08, C08J5/04, C08K5/00

CPC Code(s): C08L1/32



Abstract:

—(c═o)r—(or)—or  (4)


20240327663. Inkjet Ink Composition And Recording Method_simplified_abstract_(seiko epson corporation)

Inventor(s): Yuta ASAKAWA of Azumino (JP) for seiko epson corporation, Keigo ANDO of Matsumoto (JP) for seiko epson corporation, Akira MIZUTANI of Matsumoto (JP) for seiko epson corporation, Tomotaka MATSUMOTO of Sapporo (JP) for seiko epson corporation, Yasuyuki KAGAWA of Ichihara (JP) for seiko epson corporation

IPC Code(s): C09D11/322, B41M7/00, C09D11/033, C09D11/107, C09D11/38

CPC Code(s): C09D11/322



Abstract: the inkjet ink composition is an aqueous ink including: a coloring material; resin particles; and a water-soluble low-molecular weight organic compound. the water-soluble low-molecular weight organic compound contains 0.5 mass % to 9.0 mass % of an amide having a normal boiling point of from 215� c. to 290� c. with respect to a total mass of the ink composition. the resin particles are composite resin particles each formed of a first resin and a second resin that are acrylic resins. when a root sum square �ph of each of the first resin and the second resin is calculated from �ph=√(�p+�h) where �p and �h represent a polar component and a hydrogen-bonding component of hansen solubility parameters thereof, respectively, a �ph of the first resin is from 4.0 mpato 4.8 mpa, and a �ph2 of the second resin is more than 2.6 mpaand less than 3.7 mpa.


20240327666. Set And Ink Jet Recording Method_simplified_abstract_(seiko epson corporation)

Inventor(s): Kosuke CHIDATE of Shiojiri (JP) for seiko epson corporation

IPC Code(s): C09D11/40, C09D11/033, C09D11/102, C09D11/322, C09D11/54, D06P1/52, D06P3/52, D06P5/00, D06P5/30

CPC Code(s): C09D11/40



Abstract: provided is a set including a reaction solution composition and an ink jet ink composition, in which the reaction solution composition contains a cationic urethane resin, a water-soluble organic solvent, and water, the ink jet ink composition contains a pigment, a crosslinkable urethane resin, and water, and the set is used to jet the reaction solution composition and the ink jet ink composition by an ink jet method to make the reaction solution composition and the ink jet ink composition adhere to a fabric.


20240327683. Aqueous Adhesive Composition_simplified_abstract_(seiko epson corporation)

Inventor(s): Soichi YAMAZAKI of Shiojiri (JP) for seiko epson corporation, Nikako TSUKIJI of Matsumoto (JP) for seiko epson corporation, Harunobu KOMATSU of Matsumoto (JP) for seiko epson corporation

IPC Code(s): C09J133/08, B41J3/407, B41J15/04, C09J11/04, C09J11/06

CPC Code(s): C09J133/08



Abstract: an aqueous adhesive composition to form an adhesive layer on a surface of a cloth transport member of an ink jet printing apparatus is provided. the aqueous adhesive composition includes an acrylic-based resin, an urethane-based resin, a surfactant, and water, and a content a of the acrylic-based resin is higher than a content u of the urethane-based resin.


20240328082. DEFIBRATION DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Yuta INAGAKI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): D21B1/10, D21B1/06

CPC Code(s): D21B1/10



Abstract: a defibration device includes: a casing having a supply port through which small pieces containing fibers are supplied and a discharge port through which defibrated materials of the small pieces are discharged; a rotator rotatably installed in the casing; and a pipe body which is coupled to the supply port and from which the small pieces are ejected into the casing. the rotator includes at least one diffusion vane provided at a side portion of the rotator that faces the supply port and diffusing the small pieces ejected from the pipe body, and at least one defibration blade provided on an outer periphery portion of the rotator and defibrating the small pieces, and a pipe axis direction of the pipe body intersects a rotation track of the diffusion vane when the rotator rotates.


20240328086. RIGIDITY LEVEL DETECTION APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Keiichi YATO of Matsumoto (JP) for seiko epson corporation, Masanao FUKASAWA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): D21F7/06, D21F3/08

CPC Code(s): D21F7/06



Abstract: provided is a rigidity level detection apparatus provided in a sheet manufacturing apparatus that manufactures a sheet by performing compression shaping of a defibrated material of a fiber-containing material and configured to detect a rigidity level of the sheet. the rigidity level detection apparatus includes a transport unit that transports the sheet, a press unit having a press member that deforms the sheet by pressing the sheet in a direction intersecting with a transport direction of the sheet while the sheet is transported by the transport unit, a detection unit having a sensor that detects a given position on the sheet moved in the transport direction by deforming, and a determination unit that determines the rigidity level of the sheet based on a detection value from the sensor.


20240328594. ELECTRONIC DEVICE, LIGHT REFLECTING MEMBER, AND INDICATOR LAMP_simplified_abstract_(seiko epson corporation)

Inventor(s): Toshihiro HAYASHI of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): F21V7/00, F21V7/04

CPC Code(s): F21V7/0091



Abstract: a printing apparatus as an example of an electronic device includes an indicator lamp that emits light in a predetermined color when an abnormality occurs. the indicator lamp includes a light source, and a light reflecting member on which light emitted from the light source is incident and that reflects the incident light. the light reflecting member includes a reflecting surface at which light is reflected. the reflecting surface includes a plurality of individual reflecting surfaces formed in a surface shape of at least a part of a conical surface having an axis forming a predetermined angle with respect to a traveling direction of incident light. the plurality of individual reflecting surfaces are arranged side by side in a first direction intersecting the traveling direction of the incident light.


20240328785. DOUBLE-ENDED TUNING FORK VIBRATOR, PHYSICAL QUANTITY SENSOR, AND INERTIAL MEASUREMENT DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Masayuki Oto of Okaya-shi (JP) for seiko epson corporation, Kenta Sato of Shiojiri-shi (JP) for seiko epson corporation

IPC Code(s): G01C21/16

CPC Code(s): G01C21/16



Abstract: in a double-ended tuning fork vibrator, a pair of vibration beams having a pair of bases coupled to both ends have a first end region, a first excitation region, a first relay region, a second excitation region, a second relay region, a third excitation region, and a second end region in this order toward a first direction, and an interconnect coupling an excitation electrode in the first excitation region and an excitation electrode in the second excitation region and an interconnect coupling an excitation electrode in the first excitation region and an excitation electrode in the second excitation region are provided on a front surface of the first relay region.


20240328911. BIOLOGICAL MATERIAL EXTRACTION MAGNETIC BEAD_simplified_abstract_(seiko epson corporation)

Inventor(s): Kenta TSUKADA of Shiojiri (JP) for seiko epson corporation, Masato HANAMURA of Shiojiri (JP) for seiko epson corporation, Miki UCHIDA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): G01N1/34

CPC Code(s): G01N1/34



Abstract: a biological material extraction magnetic bead contains: a magnetic metal powder; an inorganic oxide layer that covers a particle surface of the magnetic metal powder and contains an inorganic oxide; a base layer that covers a surface of the inorganic oxide layer and contains a gold ion reducing agent or a catalyst for a gold ion reduction reaction; a gold layer that covers a surface of the base layer and contains gold; and an immobilization layer that is bonded to a surface of the gold layer via an au—s bond and contains a compound having a ligand or a ligand binding site.


20240328914. RIGIDITY LEVEL DETECTION APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Masanao FUKASAWA of Matsumoto (JP) for seiko epson corporation, Keiichi YATO of Matsumoto (JP) for seiko epson corporation

IPC Code(s): G01N3/24

CPC Code(s): G01N3/24



Abstract: provided is a rigidity level detection apparatus provided in a sheet manufacturing apparatus that manufactures a sheet by performing compression shaping of a defibrated material of a fiber-containing material and configured to detect a rigidity level of the sheet. the rigidity level detection apparatus includes a transport unit that transports the sheet, a press unit having a press member that deforms the sheet by pressing the sheet in a direction intersecting with a transport direction of the sheet while the sheet is transported by the transport unit, a detection unit having a sensor that detects a reaction force exerted from the deformed sheet to the press unit, and a determination unit that determines the rigidity level of the sheet based on a detection value from the sensor.


20240328953. ELECTRIC FIELD ENHANCING ELEMENT AND RAMAN SPECTROSCOPIC DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Hayato MATSUKI of SUWA-SHI (JP) for seiko epson corporation, Fumika YAMADA of SHIOJIRI-SHI (JP) for seiko epson corporation, Yoshitaka ITO of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): G01N21/65

CPC Code(s): G01N21/658



Abstract: an electric field enhancing element includes a substrate, a plurality of microstructures provided at the substrate and having conductivity, and a transparent layer covering the plurality of microstructures and the substrate. an enhanced electric field generated by the plurality of microstructures is at a maximum at a position on an opposite side of the plurality of microstructures from the substrate and separated from the plurality of microstructures, in a perpendicular line direction of the substrate.


20240329152. DISTRIBUTED CONTROL DEVICE AND DISTRIBUTED CONTROL SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinji OZAKI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): G01R31/40, G01R19/165, H02J3/38

CPC Code(s): G01R31/40



Abstract: there is provided a distributed control device including a first power supply circuit that outputs a first power supply voltage, a power failure detection circuit that outputs a power failure notification signal, a first drive power supply circuit that outputs a first drive voltage, a second drive power supply circuit that outputs a second drive voltage, a control circuit operated by using the first drive voltage, and a first drive device operated by using the second drive voltage. the power failure detection circuit outputs the power failure notification signal including power failure information indicating that the commercial power supply is abnormal. the first switching circuit stops supply of the first power supply voltage to the second drive power supply circuit in accordance with a first switching control signal based on the power failure notification signal including the power failure information.


20240329287. OPTICAL FILTER_simplified_abstract_(seiko epson corporation)

Inventor(s): Kikuya MORITA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): G02B5/26

CPC Code(s): G02B5/26



Abstract: an optical filter includes a reflection film and a reflection film placed to face the reflection film via a gap. as seen from a direction in which the reflection films face, a range in which the reflection films overlap forms a light transmission region, and a dimension of the gap in a center portion of the light transmission region is smaller than a dimension of the gap in an outer peripheral portion outside of the center portion within the light transmission region.


20240329366. PROJECTION OPTICAL SYSTEM AND PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Akihisa KAGEYAMA of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): G02B13/00, G02B13/02, G03B21/20

CPC Code(s): G02B13/009



Abstract: a projection optical system includes: a first lens group; a second lens group; a third lens group; a fourth lens group; a fifth lens group; a sixth lens group; a seventh lens group; an eighth lens group; and a ninth lens group, and these lens groups are in an order from a magnification side to a reduction side. the projection optical system includes an aperture stop disposed between the second lens group and the eighth lens group. the first lens group has negative power and includes one first aspherical lens. any one of the second lens group, the third lens group, the fourth lens group, the fifth lens group, the sixth lens group, the seventh lens group, the eighth lens group, and the ninth lens group includes at least one second aspherical lens. during zooming, the first lens group and the ninth lens group are fixed, and the second lens group, the third lens group, the fourth lens group, the fifth lens group, the sixth lens group, the seventh lens group, and the eighth lens group move.


20240329369. PROJECTION OPTICAL SYSTEM AND PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Akihisa KAGEYAMA of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): G02B13/16, G02B15/14

CPC Code(s): G02B13/16



Abstract: a projection optical system includes: first lens group; second lens group; third lens group; fourth lens group; fifth lens group; sixth lens group; seventh lens group; eighth lens group; ninth lens group; and an aperture stop disposed between second and eighth lens groups, and these lens groups are in an order from magnification side to reduction side. the first lens group has negative power and includes one aspherical lens. each of the second lens group, third lens group, fourth lens group, fifth lens group, sixth lens group, seventh lens group, eighth lens group, and ninth lens group includes only a spherical lens. during zooming, the first lens group and the ninth lens group are fixed, and the second lens group, the third lens group, the fourth lens group, the fifth lens group, the sixth lens group, the seventh lens group, and the eighth lens group move.


20240329403. DISPLAY DEVICE AND ELECTRONIC APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Jun IROBE of SUWA-SHI (JP) for seiko epson corporation

IPC Code(s): G02B27/01, G09G3/3233

CPC Code(s): G02B27/0172



Abstract: a display device includes a display panel that emits color image light, and a light guiding unit that guides the color image light. when the color image light emitted from the display panel is white image light, color coordinates of the white image light are different from color coordinates of image light obtained as a result of the white image light being guided by the light guiding unit. specifically, when the display panel emits the color image light by additive color mixing of red, green, and blue, and display unevenness in the display panel is caused by red, in the light guiding unit, the spectral transmittance of cyan, which is a complementary color of red, is adjusted to be smaller than the spectral transmittance of red.


20240329412. HEAD-MOUNTED DISPLAY APPARATUS, OPTICAL MODULE, AND MANUFACTURING METHOD OF OPTICAL MODULE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takuya IKEDA of SHIOJIRI-SHI (JP) for seiko epson corporation, Toshiyuki NOGUCHI of SHIOJIRI-SHI (JP) for seiko epson corporation, Toshiaki MIYAO of CHINO-SHI (JP) for seiko epson corporation

IPC Code(s): G02B27/01, G02B27/09, G02B27/18

CPC Code(s): G02B27/0176



Abstract: a head-mounted display apparatus includes an image forming element, a holder including a supporting member supporting the image forming element and a fixing member coupled to the supporting member, an optical member on which image light from the image forming element is incident, and a case configured to house the optical member and hold the image forming element therein via the holder, wherein the holder includes a transparent portion, the fixing member is fixed to an outside of the case by an adhesive material, and the adhesive material is interposed between the transparent portion and the case.


20240329440. LIQUID CRYSTAL APPARATUS AND ELECTRONIC DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinsuke FUJIKAWA of CHINO-SHI (JP) for seiko epson corporation

IPC Code(s): G02F1/13, G02F1/1343

CPC Code(s): G02F1/1309



Abstract: a liquid crystal apparatus includes a first electrode, a liquid crystal layer, a second electrode, and a measurement circuit, and the measurement circuit supplies a first potential to the first electrode and supplies a second potential higher than the first potential to the second electrode in a first period, supplies the first potential to the first electrode, and supplies a third potential higher than the first potential and lower than the second potential to the second electrode in a second period, supplies a fourth potential higher than the third potential and lower than the second potential to the first electrode and supplies a third potential to the second electrode in a third period, and stops the supply of the potential to the first electrode and supplies the third potential to the second electrode in a fourth period.


20240329441. LIQUID CRYSTAL APPARATUS AND ELECTRONIC DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinsuke FUJIKAWA of CHINO-SHI, NAGANO-KEN (JP) for seiko epson corporation

IPC Code(s): G02F1/13, G02F1/1343

CPC Code(s): G02F1/1309



Abstract: a liquid crystal apparatus includes a first electrode, a liquid crystal layer, a second electrode facing the first electrode via the liquid crystal layer, a first node electrically coupled to the first electrode, a first switch having one end coupled to the first node, a second node electrically coupled to the other end of the first switch, and a measurement circuit that applies a potential to each of the second node and the second electrode, and the measurement circuit brings the first switch into a conduction state and applies a potential to the second node and the second electrode so that a potential difference between the first electrode and the second electrode becomes a predetermined potential difference in a third period, and brings the first switch into a non-conduction state and applies a feedback potential that is a potential based on a potential of the first node to the second node in a fourth period after the third period.


20240329453. LIQUID CRYSTAL PANEL AND ELECTRONIC DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Osamu NAKAJIMA of HARA-MURA (JP) for seiko epson corporation

IPC Code(s): G02F1/1333

CPC Code(s): G02F1/133354



Abstract: a liquid crystal panel includes a counter substrate, a cover glass arranged at the counter substrate with an adhesive therebetween, an element substrate that is arranged at a surface of the counter substrate opposite to a surface at which the cover glass is arranged with a liquid crystal layer therebetween, and a casing member that is bonded to the counter substrate, the cover glass, and the element substrate via another adhesive. the another adhesive is provided on side surfaces of the counter substrate, the cover glass, and the element substrate except for one side of the element substrate. the counter substrate, the cover glass, and the element substrate are arranged in a state in which the side surfaces thereof are substantially aligned in plan view except for the one side.


20240329475. LIQUID CRYSTAL APPARATUS AND ELECTRONIC DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinsuke FUJIKAWA of Chino-shi (JP) for seiko epson corporation

IPC Code(s): G02F1/1362

CPC Code(s): G02F1/136286



Abstract: a liquid crystal apparatus includes a first electrode disposed between a first substrate and a liquid crystal layer, a second electrode disposed between a second substrate and the liquid crystal layer, an electrode lead line electrically coupled to the first electrode, a plurality of drive signal lines including a first drive signal line that intersects with the electrode lead line in plan view, a first conductive layer disposed between the electrode lead line and the first drive signal line and electrically coupled to the second electrode, and a measurement circuit, and the measurement circuit supplies a potential to each of the first electrode and the second electrode in a first period and a second period, and stops the supply of the potential to the first electrode and supplies the same potential as that in the second period to the second electrode in a third period.


20240329503. POSITION ADJUSTMENT APPARATUS AND PROJECTION SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Takahiro TOTSUKA of AZUMINO-SHI (JP) for seiko epson corporation

IPC Code(s): G03B21/14

CPC Code(s): G03B21/145



Abstract: a position adjustment apparatus includes a housing including a first space in which a first projector is disposed and a second space in which a second projector is disposed, a first rotary table on which the first projector is placed and which is rotatably supported by the housing about a first rotation axis, and a second rotary table on which the second projector is placed and which is rotatably supported by the housing about a second rotation axis. the housing includes a first opening through which first image light from the first projector passes and a second opening through which second image light from the second projector passes. a rotation direction of the first rotary table and a rotation direction of the second rotary table are opposite to each other. rotation of the first rotary table and rotation of the second rotary table are in conjunction with each other.


20240329504. POSITION ADJUSTMENT APPARATUS AND PROJECTION SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Takahiro TOTSUKA of AZUMINO-SHI (JP) for seiko epson corporation

IPC Code(s): G03B21/14

CPC Code(s): G03B21/145



Abstract: a position adjustment apparatus includes a housing, a first rotary table on which a first projector is placed and which is rotatably supported by the housing about a first rotation axis, and a second rotary table on which a second projector is placed and which is rotatably supported by the housing about a second rotation axis. the housing includes a first opening through which first image light projected from the first projector passes and a second opening through which second image light projected from the second projector passes. a rotation direction of the first rotary table and a rotation direction of the second rotary table are opposite to each other. rotation of the first rotary table and rotation of the second rotary table are in conjunction with each other. the first rotary table and the second rotary table are configured to be replaceable with respect to the housing.


20240329505. PROJECTION OPTICAL APPARATUS AND PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Hirofumi OKUBO of MATSUMOTO-SHI (JP) for seiko epson corporation, Naoto TAKEHANA of AZUMINO-SHI (JP) for seiko epson corporation, Kosho Kamijo of Higashichikuma-Gun (JP) for seiko epson corporation

IPC Code(s): G03B21/14, G02B7/02, G02B17/08, G03B21/28

CPC Code(s): G03B21/145



Abstract: a projection optical apparatus is removably installed in a light emitting apparatus and projects light emitted from the light emitting apparatus. the projection optical apparatus includes a plurality of lenses, a lens barrel holding the plurality of lenses, and a first grip extending outward from the exterior of the lens barrel.


20240329508. ILLUMINATION DEVICE AND PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Koichi AKIYAMA of Azumino-shi (JP) for seiko epson corporation

IPC Code(s): G03B21/20, G03B33/12

CPC Code(s): G03B21/2066



Abstract: an illumination device includes a first light source configured to emit first light, a second light source configured to emit second light, a light combining member configured to combine the first light and the second light with each other to emit illumination light, a rotary diffusion device having a substrate including a diffusing surface configured to diffusely reflect the illumination light, and a driver configured to rotate the substrate centering on a rotational axis, a condenser disposed between the light combining member and the rotary diffusion device, and configured to condense the illumination light toward the rotary diffusion device, and a collimator configured to collimate diffusion light of the illumination light. the diffusing surface of the substrate includes a first area where a first uneven structure is disposed, and a second area where a second uneven structure different from the first uneven structure is disposed.


20240329514. PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Takuo YONEYAMA of Azumino-shi (JP) for seiko epson corporation

IPC Code(s): G03B33/12, G03B21/14, G03B21/20

CPC Code(s): G03B33/12



Abstract: a projector includes a light separator configured to separate light emitted from a first light source device into first light with a first wavelength and second light with a second wavelength, a light combiner configured to combine light emitted from a first light modulator and light emitted from a second light modulator, a second light source device configured to emit invisible light, and an optical part configured to combine the first light emitted from the light separator and the invisible light emitted from the second light source device with each other. the invisible light includes first polarized light with a first polarization direction and second polarized light with a second polarization direction. the first light and the invisible light which are emitted from the optical part enter the first light modulator. a projection optical system projects light including the first light, the second light, and the invisible light.


20240329585. IMAGE FORMING APPARATUS AND ELECTRONIC EQUIPMENT_simplified_abstract_(seiko epson corporation)

Inventor(s): Hidekazu UEMATSU of Fujimi-machi (JP) for seiko epson corporation, Toru MATSUYAMA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): G03G15/00

CPC Code(s): G03G15/55



Abstract: an image forming apparatus includes an image forming unit, a transport unit, and a light emission unit. the image forming unit forms an image on a medium by applying a colorant onto the medium. the transport unit transports the medium. the light emission unit indicates status of either one, or both, of the image forming unit and the transport unit by using a plurality of light sources including a first light source and a second light source. the first light source emits light having a first wavelength. the second light source emits light having a second wavelength. in the light emission unit, the plurality of light sources is configured as a single package.


20240329586. IMAGE FORMING APPARATUS AND ELECTRONIC EQUIPMENT_simplified_abstract_(seiko epson corporation)

Inventor(s): Hidekazu UEMATSU of Fujimi-machi (JP) for seiko epson corporation, Toru MATSUYAMA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): G03G15/00

CPC Code(s): G03G15/55



Abstract: an image forming apparatus includes an image forming unit that forms an image on a medium; a transport unit that transports the medium; and a light emission unit that indicates status of either one, or both, of the image forming unit and the transport unit by using a plurality of light sources including a first light source, a second light source, and a third light source, wherein the light emission unit is configured to perform light emission based on a first light emission mode in which the first light source and the second light source are on at a same time and perform light emission based on a second light emission mode in which the first light source and the third light source are on at a same time.


20240329600. Mechanical Timepiece_simplified_abstract_(seiko epson corporation)

Inventor(s): Teruhiko FUJISAWA of Shiojiri (JP) for seiko epson corporation

IPC Code(s): G04B18/02, G04B17/20

CPC Code(s): G04B18/028



Abstract: a mechanical timepiece includes a spring, a balance, an oscillation circuit, a speed governing mechanism configured to include a permanent magnet and a coil, one of the permanent magnet and the coil being held by the balance, an external magnetic field detection mechanism configured to detect an external magnetic field, a vibration detection mechanism configured to detect vibration of the balance and output a vibration detection signal, a speed governing control mechanism configured to output a drive pulse to perform processing for governing the balance, a power storage mechanism configured to store electric energy, and a generator configured to generate the electric energy. the speed governing control mechanism changes a processing content of the speed governing of the balance in accordance with a detection result of the external magnetic field.


20240329601. Watch Component And Method Of Decorating Watch Component_simplified_abstract_(seiko epson corporation)

Inventor(s): Nobuhiko NAKANISHI of Shiojiri (JP) for seiko epson corporation, Tsubasa FUJI of Shiojiri (JP) for seiko epson corporation

IPC Code(s): G04B19/12, G04D3/00

CPC Code(s): G04B19/12



Abstract: a watch component includes a base material including a surface at which a desired design is expressed by dot-forming a binarized pattern with ink composed of metal nanoparticles.


20240329818. DISPLAY METHOD, DISPLAY DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Rui ARUGA of AZUMINO-SHI (JP) for seiko epson corporation

IPC Code(s): G06F3/04845, G06F3/0482, G06F3/0487, H04N9/31

CPC Code(s): G06F3/04845



Abstract: a projector receives, via a first selection image, an operation of determining a first combination of partial images including one of a plurality of first candidate images that are candidates for a partial image in a first region and one of a plurality of second candidate images that are candidates for a partial image in a second region, and displays a decoration image including the partial image in the first region and the partial image in the second region corresponding to the first combination and disposed along an outline of a content image.


20240329897. MANAGEMENT SERVER, IMAGE FORMING APPARATUS, AND MANAGEMENT SERVER SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Yuichi SUGIYAMA of SHIOJIRI-SHI (JP) for seiko epson corporation, Tsutomu KASAI of SHIMOSUWA-MACHI (JP) for seiko epson corporation, Tomohito Someya of Shiojiri-shi (JP) for seiko epson corporation

IPC Code(s): G06F3/12, G06K7/14, H04L9/40

CPC Code(s): G06F3/1236



Abstract: a server processing portion establishes communication through a temporary connection with an image forming apparatus (step s). further, the server processing portion transmits, when a request of a main connection for connecting a service providing server and the image forming apparatus via a management server is received from the service providing server , url information for establishing communication through the main connection to the image forming apparatus by using communication through the temporary connection (step s). further, the server processing portion establishes communication through the main connection (step s) when there is an access (step s) from a terminal device that reads code information formed by the image forming apparatus based on the url information.


20240329931. Signal Processing Method And Signal Processing Device_simplified_abstract_(seiko epson corporation)

Inventor(s): Masayoshi TODOROKIHARA of Suwa (JP) for seiko epson corporation

IPC Code(s): G06F7/523, G06F1/12, G06F7/50

CPC Code(s): G06F7/523



Abstract: a signal processing method includes: an analysis object data generation step of generating i-th analysis object data based on time-series data of a physical quantity detected by an i-th sensor; a product-sum operation step of generating product-sum operation data of template data including a signal component to be analyzed and m-th analysis object data; and a synchronous-timing detection step of detecting a synchronous timing, which is timing synchronizing with the signal component, based on the product-sum operation data. the template data is shorter than the m-th analysis object data, and a sampling rate of the m-th analysis object data is equal to a sampling rate of the template data.


20240330771. INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, PROGRAM RECORDING MEDIUM, AND MODEL BEING TRAINED_simplified_abstract_(seiko epson corporation)

Inventor(s): Yoshihiro YAMAMURA of Azumino-shi (JP) for seiko epson corporation, Yuya OZAWA of Azumino-shi (JP) for seiko epson corporation

IPC Code(s): G06N20/00

CPC Code(s): G06N20/00



Abstract: provided is an information processing device including a target person information acquisition unit configured to acquire target person information including age information indicating an age of a target person, an exercise evaluation information acquisition unit configured to acquire exercise evaluation information about evaluation of an exercise of the target person, a storage unit configured to store a trained model in which, when the target person information and the exercise evaluation information are input, evaluation of exercise information of the target person is estimated to be improved, and instruction content based on the age information is output, and a report output unit configured to input the target person information and the exercise evaluation information to the trained model and output an instruction report including the instruction content output from the trained model.


20240331219. NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM, MIRRORING METHOD, AND ELECTRONIC EQUIPMENT_simplified_abstract_(seiko epson corporation)

Inventor(s): Makoto Shigemitsu of Sapporo-shi (JP) for seiko epson corporation, Shota Utsumi of Sapporo-shi (JP) for seiko epson corporation

IPC Code(s): G06T11/00, G06F3/14

CPC Code(s): G06T11/001



Abstract: electronic equipment includes a display device and a processing device. the processing device captures a target image including a content image displayed, according to a program executed in an application execution environment, on a first layer of an image displayed on the display device. the processing device transmits a capture image acquired by the capturing to an external device to thereby perform mirroring. the processing device repeatedly draws, on the first layer, a second image different from the content image in a period in which the mirroring is executed.


20240331598. CIRCUIT DEVICE, ELECTRO-OPTICAL DEVICE, AND ELECTRONIC APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinya UKAI of Fujimi-Machi (JP) for seiko epson corporation, Akira MORITA of Chino-Shi (JP) for seiko epson corporation

IPC Code(s): G09G3/00, G01R27/26, G09G3/36

CPC Code(s): G09G3/006



Abstract: a control circuit couples a test capacitance element cp and a node test to a capacitance element cm- to be tested, and applies a voltage output from an operational amplifier circuit to the capacitance elements cm- and cp and the node test. thereafter, the capacitance element cp and the node test are decoupled from the capacitance element cm- to be tested, the capacitance element and the node test are coupled to the capacitance element cm-, the charge accumulated in the capacitance element cm- is moved, a voltage vref of a negative input-end (−) of a comparison circuit is set, and the capacitance element cm- is tested based on a signal output from the comparison circuit.


20240331600. PROJECTION TYPE DISPLAY APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Toru AOKI of Shiojiri-shi (JP) for seiko epson corporation, Kazuhisa Mizusako of Shiojiri-shi (JP) for seiko epson corporation, Yusuke Komuro of Azumino-shi (JP) for seiko epson corporation

IPC Code(s): G09G3/00, G09G3/36

CPC Code(s): G09G3/007



Abstract: a projection type display apparatus includes a liquid crystal panel including a first panel pixel, a liquid crystal panel including a second panel pixel, an optical path shift element that shifts projection positions of the first panel pixel and the second panel pixel, and a display control circuit that controls the liquid crystal panel and the optical path shift element. the display control circuit causes the optical path shift element to shift the projection position from a first unit period to a fourth unit period of one frame period for each unit period. a centroid of a path on which the first panel pixel is projected from the first unit period to the fourth unit period is different from a centroid of a path on which the second panel pixel is projected from the first unit period to the fourth unit period.


20240331647. Circuit Apparatus And Display System_simplified_abstract_(seiko epson corporation)

Inventor(s): Sebdani mahmood MAZROUEI of Markham (CA) for seiko epson corporation, Kwok lap jimmy LAI of Vancouver (CA) for seiko epson corporation, Kumar anandabairavasamy ANAND of Richmond (CA) for seiko epson corporation

IPC Code(s): G09G3/34

CPC Code(s): G09G3/3426



Abstract: a circuit apparatus controls a display apparatus including a plurality of light source elements and a display panel. the circuit apparatus includes a resolution reduction circuit and a light source luminance determination circuit. the resolution reduction circuit generates, from input image data, low-resolution image data having a lower resolution than the input image data. the light source luminance determination circuit receives the low-resolution image data. the light source luminance determination circuit determines, by light adjustment processing based on the low-resolution image data, light source luminance information indicating luminance of light emitted by each light source element of the plurality of light source elements.


20240331648. Circuit Apparatus And Display System_simplified_abstract_(seiko epson corporation)

Inventor(s): Sebdani mahmood MAZROUEI of Markham (CA) for seiko epson corporation, Kwok lap jimmy LAI of Vancouver (CA) for seiko epson corporation, Kumar anandabairavasamy ANAND of Richmond (CA) for seiko epson corporation

IPC Code(s): G09G3/34

CPC Code(s): G09G3/3426



Abstract: a circuit apparatus includes a storage unit and a light source luminance determination circuit. the storage unit stores a plurality of pieces of attenuation factor distribution information indicating an attenuation factor distribution of light with respect to a distance between a light source element and a pixel. the light source luminance determination circuit determines, by light adjustment processing based on input image data and the plurality of pieces of attenuation factor distribution information, light source luminance information indicating luminance of light emitted by each light source element of a plurality of light source elements. in a first mode, the light source luminance determination circuit determines the light source luminance information based on the input image data and first attenuation factor distribution information among the plurality of pieces of attenuation factor distribution information. in a second mode, the light source luminance determination circuit determines the light source luminance information based on the input image data and second attenuation factor distribution information in which the attenuation factor distribution is different from that in the first attenuation factor distribution information among the plurality of pieces of attenuation factor distribution information.


20240331649. Circuit Apparatus And Display System_simplified_abstract_(seiko epson corporation)

Inventor(s): Sebdani mahmood MAZROUEI of Markham (CA) for seiko epson corporation, Kwok lap jimmy LAI of Vancouver (CA) for seiko epson corporation, Kumar anandabairavasamy ANAND of Richmond (CA) for seiko epson corporation

IPC Code(s): G09G3/34

CPC Code(s): G09G3/3426



Abstract: a circuit apparatus includes a storage unit, an illumination luminance calculation circuit, and a color correction circuit. the storage unit stores a look-up table indicating an attenuation factor distribution of light with respect to a distance between a light source element and a pixel. the illumination luminance calculation circuit calculates, based on attenuation factor information output from the look-up table and light source luminance information indicating luminance of light emitted by each light source element, illumination luminance information indicating luminance at which a target pixel of the display panel is illuminated by a plurality of light source elements. the color correction circuit performs color correction on input image data based on the illumination luminance information. the look-up table outputs the attenuation factor information with a first distance resolution in a first distance range and outputs the attenuation factor information with a second distance resolution higher than the first distance resolution in a second distance range in which a slope of the attenuation factor distribution is larger than that in the first distance range.


20240331831. INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, PROGRAM RECORDING MEDIUM, AND MODEL BEING TRAINED_simplified_abstract_(seiko epson corporation)

Inventor(s): Ienari OBINATA of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): G16H20/30, G06N20/00

CPC Code(s): G16H20/30



Abstract: an information processing device includes a target person information acquisition unit configured to acquire target person information about a target person, an exercise evaluation information acquisition unit configured to acquire exercise evaluation information indicating evaluation of an exercise of the target person, a storage unit configured to store a trained model that outputs instruction content in which, when the target person information and the exercise evaluation information are input, evaluation of exercise information of the target person is estimated to be improved, and a report output unit configured to input the target person information and the exercise evaluation information to the trained model and output an instruction report including the instruction content output from the trained model.


20240331871. METHOD AND DEVICE FOR GENERATING DATA PROCESSING SEQUENCE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING COMPUTER PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Hideaki KASAHARA of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): G16H50/30, G16B10/00

CPC Code(s): G16H50/30



Abstract: a method for generating a data processing sequence includes: (a) generating a population of one generation; (b) allocating one of an input layer, which is one node, a filter layer, which is another node, and a parameter, to each of genes forming an individual, with reference to a reference table establishing a correspondence between the gene, and the node and the parameter, and thus generating the data processing sequence corresponding to the individual; (c) comparing output data and target data to be a target associated with subject data, and calculating an evaluation value indicating a degree of similarity between the output data and the target data; and (d) specifying the data processing sequence that satisfies a criterion, using a plurality of evaluation values corresponding to a plurality of data processing sequences, respectively.


20240331900. INSULATOR-COATED SOFT MAGNETIC POWDER, MAGNETIC POWDER CORE, MAGNETIC ELEMENT, AND ELECTRONIC DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Momoko WAKABAYASHI of Hachinohe-shi (JP) for seiko epson corporation

IPC Code(s): H01F1/20

CPC Code(s): H01F1/20



Abstract: an insulator-coated soft magnetic powder includes a soft magnetic powder and an insulating coating film covering the particle surface of the soft magnetic powder and containing a compound having a hydrophobic functional group derived from a coupling agent. the soft magnetic powder has an average particle size of from 2.0 �m to 25.0 �m. the soft magnetic powder has a specific surface area of from 0.05 m/g to 0.60 m/g. a ratio a/s is from 3000 to 20000, where s [m/g] is the specific surface area and a [ppm] is the oxygen content of the soft magnetic powder.


20240331901. INSULATOR-COATED SOFT MAGNETIC POWDER, MAGNETIC POWDER CORE, MAGNETIC ELEMENT, AND ELECTRONIC DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Momoko WAKABAYASHI of Hachinohe-shi (JP) for seiko epson corporation

IPC Code(s): H01F1/20, H01F27/255

CPC Code(s): H01F1/20



Abstract: an insulator-coated soft magnetic powder includes a soft magnetic powder, an inorganic insulating film including a ceramic and covering the particle surface of the soft magnetic powder, and an organic film including a compound derived from a coupling agent having a hydrophobic functional group and covering the surface of the inorganic insulating film, wherein the inorganic insulating film has an average thickness of from 5 nm to 100 nm, and the insulator-coated soft magnetic powder has a water content of from 30 ppm to 400 ppm, as measured by the karl fischer method at 250� c. after the insulator-coated soft magnetic powder is left in an environment of atmospheric pressure, a temperature of 30� c., and a relative humidity of 80% for 24 hours.


20240333128. INTEGRATED CIRCUIT DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Haruki Kamikura of Chino-shi (JP) for seiko epson corporation, Kinya Matsuda of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): H02M1/00, H02M3/155, H02M7/06

CPC Code(s): H02M1/0048



Abstract: an integrated circuit device includes: a semiconductor substrate set at a substrate potential; a rectifier circuit that rectifies an ac voltage by a rectifier element provided at the semiconductor substrate and outputs a rectified voltage; and a bgr circuit provided at the semiconductor substrate and generates a reference voltage based on the rectified voltage. the bgr circuit includes an operational amplifier having a first input terminal and a second input terminal, a diode element provided between the first input terminal and a substrate potential node, a resistor and a diode element provided in series between the second input terminal and the substrate potential node, a capacitor provided between the first input terminal and the substrate potential node, and a capacitor provided between the second input terminal and the substrate potential node.


20240333137. DISTRIBUTED CONTROL DEVICE AND DISTRIBUTED CONTROL SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinji OZAKI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): H02M1/32, H02M1/084

CPC Code(s): H02M1/32



Abstract: there is provided a distributed control device including a sub-control circuit operated by using a power supply voltage, a first drive device controlled by the sub-control circuit, a first minor error output circuit that outputs a first minor error signal including first minor error information to the first drive device, a first major error output circuit that outputs a first major error signal including first major error information to the first drive device, a management control circuit that holds minor error information corresponding to the first minor error information and major error information corresponding to the first major error information, and a switching circuit that switches whether or not to supply the power supply voltage to the sub-control circuit. the switching circuit stops the supply of the power supply voltage to the sub-control circuit in accordance with the major error information.


20240333151. INTEGRATED CIRCUIT DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Haruki Kamikura of Chino-shi (JP) for seiko epson corporation, Kinya Matsuda of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): H02M3/155, H02M7/06, H02M7/217

CPC Code(s): H02M3/155



Abstract: an integrated circuit device includes: a semiconductor substrate set at a substrate potential; a rectifier circuit that rectifies an ac voltage by a rectifier element provided at the semiconductor substrate and outputs a rectified voltage; a bgr circuit which is provided at the semiconductor substrate and generates a reference voltage based on the rectified voltage, and a regulator that regulates the rectified voltage based on the reference voltage output by the bgr circuit and outputs a regulated voltage. in a plan view of the semiconductor substrate, the regulator is disposed between the rectifier circuit and the bgr circuit.


20240333215. Circuit Device And Oscillator_simplified_abstract_(seiko epson corporation)

Inventor(s): Teppei HIGUCHI of Chino (JP) for seiko epson corporation, Sho MATSUZAKI of Ina (JP) for seiko epson corporation, Yuichi TORIUMI of Minowa (JP) for seiko epson corporation, Toshiya USUDA of Ina (JP) for seiko epson corporation

IPC Code(s): H03B5/36, H03H9/10, H03H9/25

CPC Code(s): H03B5/364



Abstract: a circuit device includes: a first terminal and a second terminal coupled to a resonator; an amplifier circuit configured to amplify a signal from the first terminal and output the amplified signal to the second terminal; a variable resistance circuit that is provided on a signal path between the amplifier circuit and the second terminal and includes a variable resistor, a first switch provided at one end of the variable resistor, and a second switch provided at the other end of the variable resistor; a third switch coupled in parallel to the variable resistance circuit; and a control circuit configured to control a resistance value of the variable resistor and control the first switch, the second switch, and the third switch to be turned on or off.


20240333216. Circuit Device And Oscillator_simplified_abstract_(seiko epson corporation)

Inventor(s): Teppei HIGUCHI of Chino (JP) for seiko epson corporation, Sho MATSUZAKI of Ina (JP) for seiko epson corporation, Yuichi TORIUMI of Minowa (JP) for seiko epson corporation, Toshiya USUDA of Ina (JP) for seiko epson corporation

IPC Code(s): H03B5/36, H03B5/04, H03B5/32

CPC Code(s): H03B5/364



Abstract: a circuit device includes: a first terminal and a second terminal coupled to a resonator; a third terminal; a fourth terminal; a first switch provided on a signal path between the first terminal and the third terminal; a second switch provided on a signal path between the second terminal and the fourth terminal; and a register configured to output a signal for controlling the first switch and the second switch to be turned on or off. in a first mode, the first switch and the second switch are turned off, a control signal is input to the third terminal, and a clock signal is output from the fourth terminal. in a second mode, the first switch and the second switch are turned on.


20240333243. METHOD OF MANUFACTURING RESONATOR ELEMENT, RESONATOR ELEMENT, AND RESONATOR DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Yusuke Yamamoto of Minowa-machi (JP) for seiko epson corporation, Keiichi Yamaguchi of Ina-shi (JP) for seiko epson corporation, Ryuta Nishizawa of Nagano-shi (JP) for seiko epson corporation

IPC Code(s): H03H3/02, H03H9/10, H03H9/13, H03H9/19

CPC Code(s): H03H3/02



Abstract: a method of manufacturing a resonator element including a substrate having a thin-wall part and a thick-wall part, and an electrode part having an excitation electrode arranged in an excitation electrode placement area of the thin-wall part, a pad electrode arranged in a pad electrode placement area of the thick-wall part, and an extraction electrode which is configured to couple the excitation electrode and the pad electrode to each other, and which is arranged in an extraction electrode placement area of the substrate, includes a metal layer formation step of forming a metal layer on the substrate, a protective film formation step of forming a protective film in an area overlapping at least a part of the extraction electrode placement area in a plan view on the metal layer, and a metal layer etching step of etching the metal layer arranged in the excitation electrode placement area via the protective film to thereby reduce a wall thickness of the metal layer.


20240333255. RESONATOR ELEMENT AND RESONATOR DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Yusuke Yamamoto of Minowa-machi (JP) for seiko epson corporation, Keiichi Yamaguchi of Ina-shi (JP) for seiko epson corporation, Ryuta Nishizawa of Nagano-shi (JP) for seiko epson corporation

IPC Code(s): H03H9/17, H03H9/19

CPC Code(s): H03H9/178



Abstract: a resonator element includes a substrate including a thin-wall part and a thick-wall part, and an electrode part including an excitation electrode, a pad electrode, and an extraction electrode, wherein the electrode part includes a first electrode layer arranged in the pad electrode placement area and the first area on the substrate, a second electrode layer which is arranged in an area overlapping the first electrode layer on the first electrode layer, and which is larger in thickness than the first electrode layer, a third electrode layer which is arranged throughout an area overlapping the pad electrode placement area and the first area in a plan view on the second electrode layer, and an area overlapping the second area and the excitation electrode placement area in a plan view on the substrate, and which is smaller in thickness than the second electrode layer, and a fourth electrode layer which is arranged in an area overlapping the third electrode layer on the third electrode layer, and which is smaller in thickness than the second electrode layer.


20240333530. IMAGE FORMING APPARATUS, PROCESSING METHOD, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM, AND SERVER_simplified_abstract_(seiko epson corporation)

Inventor(s): Takaaki TANIGUCHI of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): H04L9/32

CPC Code(s): H04L9/3268



Abstract: an image forming apparatus includes a communication unit configured to communicate with a first server that periodically updates a server certificate sc and a second server that manages registration information in which an ip address and host name information are associated with each other, and a processor. the processor acquires the server certificate sc created based on the host name information from the first server - via the communication unit , and transmits the host name information and the ip address of the image forming apparatus to the second server - via the communication unit . when receiving a communication request packet from the terminal apparatus that acquires the ip address based on the registration information, the processor performs https communication with the terminal apparatus using the server certificate sc.


20240333715. MANAGEMENT SERVER AND MANAGEMENT SERVER SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Tomohito SOMEYA of Shiojiri-shi (JP) for seiko epson corporation, Yuichi SUGIYAMA of Shiojiri-shi (JP) for seiko epson corporation, Tsutomu KASAI of Shimosuwa-machi (JP) for seiko epson corporation

IPC Code(s): H04L9/40, H04N1/00

CPC Code(s): H04L63/10



Abstract: a management server includes a server communication portion communicating with a service providing server and an image forming apparatus and a server processor the server processor receives a first request, which is a request including identification information of the image forming apparatus authentication information, and information about an email address, from the service providing server via the server communication portion further, the server processor transmits the authentication information to a terminal device which is a destination of the email address. further, the server processor establishes a connection between the image forming apparatus specified based on the identification information and the service providing server via the management server when there is an access including the authentication information from the terminal device


20240333846. PRINTING CONTROL DEVICE, METHOD FOR CONTROLLING PRINTING CONTROL DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinichi TSURUYAMA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): H04N1/00, G06Q30/015, H04N1/32

CPC Code(s): H04N1/00344



Abstract: a first server device is a first server device communicably connected to a first printer and a second server device disposed at a customer support center. the first server device includes: a first acquisition unit configured to acquire, from the first printer, question information indicating a content of a question input from a user by voice regarding an operation method of the first printer; and a transmission unit configured to transmit, to the second server device, inquiry information including the question information.


20240333855. ELECTRONIC DEVICE, METHOD FOR CONTROLLING ELECTRONIC DEVICE, AND IMAGE FORMING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Yo KAWANO of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): H04N1/32, H04N1/00

CPC Code(s): H04N1/32625



Abstract: a multifunction peripheral includes: a failure detection unit configured to detect a failure that occurs in a plurality of driven units; and a candidate extraction unit configured to collate, when the failure is detected, audio collection data collected by an audio collection unit with failure audio data and extract a first candidate for a component that causes the failure, to specify a component in a driven state immediately before the failure occurs based on operation history and correspondence data and extract the specified component as a second candidate for the component that causes the failure, and to set a candidate for the component that causes the failure based on the component extracted as the first candidate and the component extracted as the second candidate.


20240333885. PROJECTION METHOD, PROJECTION SYSTEM, AND PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Shuji OKANO of Oita-shi (JP) for seiko epson corporation

IPC Code(s): H04N9/31

CPC Code(s): H04N9/3147



Abstract: when a processing device has determined that a start request for display of a thumbnail image is accepted from a user, the processing device requests a second projector and a third projector to generate and transmit a thumbnail image. the processing device acquires a second thumbnail image generated by the second projector and a third thumbnail image generated by the third projector. the processing device generates a first thumbnail image. the processing device projects the first thumbnail image, the second thumbnail image, and the third thumbnail image adjacently to each other in a first projection area.


20240333887. DISPLAY SYSTEM, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM, AND CONTROL DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Manabu SAIGO of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): H04N9/31

CPC Code(s): H04N9/3155



Abstract: a display system includes a control device configured to control a first lighting device, a second lighting device, and a projector. the control device executes an operation of determining a correction value indicating a degree of contrast correction of the projector based on first position information indicating a first position at which the first lighting device is disposed, second position information indicating a second position at which the second lighting device is disposed, predetermined position information indicating a predetermined position onto which the projector projects a projection image, a first maximum light amount indicating a maximum value of a light amount of the first lighting device, a second maximum light amount indicating a maximum value of a light amount of the second lighting device, and a dimming level.


20240333888. PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Takuo YONEYAMA of Azumino-shi (JP) for seiko epson corporation

IPC Code(s): H04N9/31

CPC Code(s): H04N9/3158



Abstract: a projector includes a light separator configured to separate the light emitted from a light source device into first light with a first wavelength and second light with a second wavelength, a first light modulator configured to modulate the first light, a second light modulator configured to modulate the second light, a light combiner configured to combine light emitted from the first light modulator and light emitted from the second light modulator with each other, a projection optical system configured to project light, a light source configured to emit invisible light, and an optical part configured to combine the first light emitted from the light separator and the invisible light with each other. the first light and the invisible light which are emitted from the optical part enter the first light modulator. the projection optical system projects light including the first light, the second light, and the invisible light.


20240333891. DISPLAY METHOD, DISPLAY DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Genta KAWABE of MATSUMOTO-SHI, NAGANO-KEN (JP) for seiko epson corporation, Yoshiteru UCHIYAMA of SUWA-SHI, NAGANO-KEN (JP) for seiko epson corporation

IPC Code(s): H04N9/31, G06F3/0482, G06T11/00

CPC Code(s): H04N9/3179



Abstract: a controller of a projector acquires tag information indicating a content of a content image; displays a decoration image disposed along an outline of the content image outside the content image when the tag information meets a first condition; and displays the decoration image disposed along the outline of the content image outside the content image and having a different color or pattern, when the tag information meets a second condition, which is different from the first condition.


20240333892. PROJECTION IMAGE ADJUSTMENT METHOD, INFORMATION PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Takuo YONEYAMA of Azumino-shi (JP) for seiko epson corporation

IPC Code(s): H04N9/31, G06T7/70

CPC Code(s): H04N9/3179



Abstract: a projection image adjustment method includes acquiring first captured image by capturing image of first image projected at first position on projection surface and second image projected at second position on projection surface and at least partially overlapping with first image, acquiring first amount of shift between first image and second image based on first captured image, moving first image from first position to third position separate therefrom in first direction, acquiring second captured image by capturing image of first image projected at third position and second image projected at second position, acquiring second amount of shift between first image and second image based on second captured image, and moving second image from second position to a fourth position separate therefrom in a second direction that is the opposite direction of the first direction when the second amount of shift is smaller than the first amount of shift.


20240333893. PROJECTOR AND CONTROL APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinichi WAKABAYASHI of SUWA-SHI (JP) for seiko epson corporation, Tatsuya TAKAHASHI of AZUMINO-SHI (JP) for seiko epson corporation

IPC Code(s): H04N9/31, G03B21/14

CPC Code(s): H04N9/3185



Abstract: a projector includes an image formation apparatus, a projection optical apparatus that projects image light formed by the image formation apparatus, an optical path shifter that shifts the optical path of the image light with respect to a reference position where the image light is projected, a vibration detection sensor that detects vibration that affects the position where the projection optical apparatus projects the image light, and a control section that controls the optical path shifter, and the control section acquires the result of detection performed by the vibration detection sensor, generates a vibration waveform having a phase opposite the phase of the waveform of the vibration based on the acquired detection result, generates a drive waveform that approximates to the vibration waveform having the opposite phase, and drives the optical path shifter based on the generated drive waveform.


20240333894. PROJECTION IMAGE ADJUSTMENT METHOD, INFORMATION PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Takuo YONEYAMA of Azumino-shi (JP) for seiko epson corporation

IPC Code(s): H04N9/31

CPC Code(s): H04N9/3185



Abstract: a projection image adjustment method includes acquiring a first captured image with a first image projected at a first position and a second image overlapping the first and projected at a second position, acquiring first and second amounts of shift based on the first image, moving the first image from the first to a third position in a first direction when the first and second shift amounts satisfy a first condition, acquiring a second captured image with the first image projected at the third position and the second image projected at the second position, acquiring third and fourth amounts of shift based on the second image, and moving the first image from the third to a fourth position in a second direction opposite of the first when the third and fourth amounts of shift satisfy a second condition and the third amount of shift is greater than the first.


20240333897. PROJECTOR, METHOD FOR CONTROLLING PROJECTOR, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Kazuhiro MIYOSHI of MATSUMOTO-SHI (JP) for seiko epson corporation, Masataka MIYAMOTO of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): H04N9/31

CPC Code(s): H04N9/3188



Abstract: a projector includes: an optical device configured to emit image light indicating an image; a processing device; and a housing accommodating the optical device and the processing device, in which the processing device displays, on a projection surface using the optical device, a first image for selecting one method of a plurality of methods for determining a size of the image on the projection surface, the plurality of methods including a first method and a second method, displays, on the projection surface using the optical device when the first method is selected, a second image whose length is to be measured, and displays, on the projection surface using the optical device when the second method is selected, a third image whose width is changeable.


20240333898. PROJECTOR DEVICE, PROJECTOR, SUPPORTING DEVICE, ABNORMALITY DETERMINATION DEVICE, AND ABNORMALITY DETERMINATION METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Shinichi WAKABAYASHI of SUWA-SHI (JP) for seiko epson corporation, Tatsuya TAKAHASHI of AZUMINO-SHI (JP) for seiko epson corporation, Hideyuki YAMADA of NAGANO-KEN (JP) for seiko epson corporation, Yasuhiro SUDO of CHINO-SHI (JP) for seiko epson corporation

IPC Code(s): H04N9/31, G01H1/00

CPC Code(s): H04N9/3194



Abstract: a projector device includes: a projector supported in a suspended state by a supporting device; a vibration generation device that generates a vibration acting on at least one of the supporting device and the projector; a vibration detection device that detects a vibration of the projector; and a reporting device that compares a detection value detected by the vibration detection device with a reference value and gives a report when a reporting condition is satisfied.


20240333989. CONTENT RECOMMENDATION METHOD, CONTENT DISTRIBUTION SYSTEM, RECOMMENDED CONTENT ESTIMATION APPARATUS, AND MACHINE LEARNING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Nona MIMURA of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): H04N21/25, H04N21/239, H04N21/422

CPC Code(s): H04N21/251



Abstract: a processing device totalizes viewing logs for each of projectors and stores a totalization result in a storage device. the processing device performs clustering of a plurality of projectors based on environmental indicators, that is, illuminance, a screen size, and noise included in the totalization result. the processing device calculates, for each of a plurality of contents reproduced in the projectors belonging to groups formed by the clustering, evaluation values in the entire groups based on an evaluation value of each of the plurality of contents. the processing device determines, based on the evaluation value calculated for each of the groups, recommended contents for the projectors.


20240334252. TERMINAL DEVICE, CONTROL METHOD FOR TERMINAL DEVICE, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Keiichi MORIMOTO of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): H04W28/18, H04L69/24, H04W48/18

CPC Code(s): H04W28/18



Abstract: a terminal device includes: a first communication processor that establishes a wireless communication connection according to a first wireless communication scheme; a transmission controller that performs control to transmit, to a wireless communication device, instruction information giving an instruction to execute a function installed in the wireless communication device, using the wireless communication connection according to the first wireless communication scheme; a second communication processor that establishes, with the wireless communication device, a wireless communication connection according to a second wireless communication scheme conforming to a nan standard; and a state information acquisition unit that acquires state information representing a state of the wireless communication device from the wireless communication device, using the wireless communication connection according to the second wireless communication scheme, when a response to the instruction information is not given.


20240334559. HEATING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Tadashi AIZAWA of MATSUMOTO-SHI (JP) for seiko epson corporation, Hirotaka YASHIRO of MATSUMOTO-SHI (JP) for seiko epson corporation, Hiroki AOKI of MATSUMOTO-SHI (JP) for seiko epson corporation, Tsuneyuki SASAKI of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): H05B6/46, H05B6/50

CPC Code(s): H05B6/46



Abstract: a heating apparatus includes a first electrode, a second electrode disposed surrounding the first electrode in plan view from a first direction toward a heating object, a first conductor including a coil and configured to electrically couple a transmission line and the first electrode, a second conductor configured to electrically couple the transmission line and the second electrode, and a housing. the first electrode and the second electrode are configured to heat the heating object by generating electromagnetic waves in response to application of a high-frequency voltage. the housing includes a contact part including a contact surface configured to come into contact with the heating object, and a housing case constituting an inner space configured to house the first electrode and the second electrode together with the contact part. the housing case has an insulating property.


20240334726. ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Yuiga HAMADE of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): H10K50/125, H10K50/82, H10K50/856, H10K59/35, H10K59/80, H10K101/00, H10K101/10

CPC Code(s): H10K50/125



Abstract: an electro-optical device includes first light-emitting element including counter electrode, first pixel electrode, and first light-emitting layer, and emitting light in first wavelength region, second light-emitting element including the counter electrode, second pixel electrode, and second light-emitting layer, and emitting light in second wavelength region, first reflection layer, first optical adjustment layer configured to adjust a first optical distance between the first reflection layer and the counter electrode, a second reflection layer, and a second optical adjustment layer configured to adjust a second optical distance between the second reflection layer and the counter electrode, wherein the light, in the first wavelength region resonates between the first reflection layer and the counter electrode, the light, in the second wavelength region resonates between the second reflection layer and the counter electrode, and a material forming the first light-emitting layer and a material forming the second light-emitting layer are different from each other.


20240334751. ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Takehiko KUBOTA of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): H10K59/122, H10K59/80

CPC Code(s): H10K59/122



Abstract: an electro-optical device includes a first light-emitting element including a first pixel electrode, and a first light emission function layer including a first light-emitting layer, a first contact portion, a second light-emitting element including a second pixel electrode, a second light emission function layer, a second contact portion, and a pixel separation layer including a first opening portion and a second opening portion. the first pixel electrode includes a first electrode portion and a first coupling portion overlapping the first contact portion. the second pixel electrode includes a second electrode portion and a second coupling portion overlapping the second contact portion. the first coupling portion includes a portion located closer to the counter electrode than the first electrode portion. the second coupling portion includes a portion located closer to the counter electrode than the second electrode portion. in a first direction, a position of the first coupling portion and a position of the second coupling portion are equal to each other.


SEIKO EPSON CORPORATION patent applications on October 3rd, 2024