SEIKO EPSON CORPORATION patent applications on February 29th, 2024

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Patent Applications by SEIKO EPSON CORPORATION on February 29th, 2024

SEIKO EPSON CORPORATION: 58 patent applications

SEIKO EPSON CORPORATION has applied for patents in the areas of B41J2/045 (6), B41J2/175 (5), G06F3/12 (5), B41J2/04581 (5), B41J29/17 (4)

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



See the following report for SEIKO EPSON CORPORATION patent applications published on February 29th, 2024:

SEIKO EPSON CORPORATION patent applications on February 29th, 2024

Patent Applications by SEIKO EPSON CORPORATION

20240066553.Vibrator Device_simplified_abstract_(seiko epson corporation)

Inventor(s): Atsushi MATSUO of Shiojiri (JP) for seiko epson corporation, Kensaku ISOHATA of Minowa (JP) for seiko epson corporation, Norihito MATSUKAWA of Shimosuwa (JP) for seiko epson corporation

IPC Code(s): B06B1/06



Abstract: a vibrator device includes a vibrator element including a vibrator section having a rectangular shape in a plan view, a linkage arm extending from a corner portion of the vibrator section in a first direction, and a support arm extending from the linkage arm in a second direction that intersects with the first direction, a container that houses the vibrator element, and an adhesive member that is shifted from the linkage arm in the second direction, is bonded to the support arm of the vibrator element, and bonds the vibrator element to the container, and an adhesive area of the region where the adhesive member is bonded to the support arm is greater than or equal to 20% of the area of the support arm in the plan view.


20240066631.LASER PROCESSING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroki NISHIOKA of Suwa-shi (JP) for seiko epson corporation

IPC Code(s): B23K26/08



Abstract: a laser processing apparatus includes a stage, a laser element, a light receiving element configured to receive the laser light from the laser element, a moving mechanism configured to change a relative position of the laser element and the stage and a relative position of the laser element and the light receiving element, and a control unit. the control unit performs a first process of controlling the laser element and the moving mechanism to irradiate the light receiving element with laser light in a state where the laser element and the light receiving element face each other, and a second process of controlling the laser element and the moving mechanism to irradiate a workpiece with laser light based on a detection value of the light receiving element in a state where the laser element and the workpiece face each other.


20240066776.Material Discharge Device, Nozzle, And Plasticizing Device_simplified_abstract_(seiko epson corporation)

Inventor(s): Masashi FUCHII of Minowa (JP) for seiko epson corporation, Takayuki SASAKI of Matsumoto (JP) for seiko epson corporation, Kenta ANEGAWA of Matsumoto (JP) for seiko epson corporation, Masayuki TAKAHASHI of Matsumoto (JP) for seiko epson corporation, Hidenobu MARUYAMA of Azumino (JP) for seiko epson corporation, Juri YAMAGUCHI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B29C45/60, B29C45/20, B29C45/47, B29C45/74, B29C45/77, B29C45/78



Abstract: a material discharge device includes: a drive motor; a screw having a groove formation surface and configured to rotate; a barrel having a facing surface and formed with a communication hole through which a plasticized material flows; a heating unit configured to heat the material; a nozzle from which the material is injected to an outside; and a plurality of measurement units configured to measure a pressure or a temperature of the material. the measurement units are disposed at an outer periphery of a nozzle channel wall, and a thickness of the nozzle channel wall satisfies the following (1) or (2): (1) when the nozzle channel wall is made of a material containing iron as a main component, the thickness of the nozzle channel wall is 0.2 mm or more and 2.5 mm or less; and (2) when the nozzle channel wall is made of a material containing aluminum as a main component, the thickness of the nozzle channel wall is 0.2 mm or more and 4 mm or less.


20240066805.Three-Dimensional Modeling System_simplified_abstract_(seiko epson corporation)

Inventor(s): Taki HASHIMOTO of Shiojiri (JP) for seiko epson corporation, Masayuki GOZU of Ina (JP) for seiko epson corporation

IPC Code(s): B29C64/393, B29C64/295, B29C64/35



Abstract: a three-dimensional modeling system includes: an ejection unit including a nozzle configured to eject a modeling material; a stage on which the modeling material is to be deposited; a movement unit configured to change relative positions of the ejection unit and the stage; a housing accommodating the ejection unit and the stage; a control unit configured to control the movement unit; and a reception unit configured to receive a mode related to maintenance of the ejection unit. the control unit controls the movement unit to move the ejection unit to a set position in the housing according to the mode received by the reception unit.


20240066806.3D-MODELING SYSTEM AND METHOD FOR MANUFACTURING 3D-MOLDED OBJECT_simplified_abstract_(seiko epson corporation)

Inventor(s): Tatsuya TERAMOTO of SHIOJIRI-SHI (JP) for seiko epson corporation, Kazuhide NAKAMURA of ASAHI-MURA (JP) for seiko epson corporation, Atsushi MAJIMA of ASAHI-MURA (JP) for seiko epson corporation

IPC Code(s): B29C64/393, B29C64/209, B29C64/245, B29C64/35, B33Y30/00, B33Y50/02



Abstract: a 3d-modeling system includes a first discharge section, a second discharge section, a stage, a heating section, and a control section, wherein the control section performs a modeling process molding a first molded object and a second molded object on a modeling surface by controlling the first and second discharge sections to discharge modeling materials having different plasticization temperatures from each other from the first and second discharge sections and a heating process by controlling the heating section configured to heat the molding materials discharged from the first and second discharge sections at different temperatures from each other, and the modeling process is performed such that a period in which the modeling material discharged from the first discharge section is deposited on the modeling surface and a period in which the modeling material discharged from the second discharge section is deposited on the modeling surface overlap each other.


20240066855.METHOD OF MANUFACTURING SOUNDPROOF SHEET AND SOUNDPROOF SHEET_simplified_abstract_(seiko epson corporation)

Inventor(s): Hideaki YAJIMA of Chino (JP) for seiko epson corporation, Yuta OKAWA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B32B38/08, B32B5/02, B32B5/26, B32B7/027, B32B37/06, B32B37/08, B32B37/10



Abstract: a method of manufacturing a soundproof sheet includes a first accumulating step of producing a web in which a plurality of first fibers, which are natural fibers, and a plurality of second fibers including a first core portion and a first coating layer coating the first core portion and having a first melting point are mixed, a heating step of heating the web to melt the first coating layer, a pressurizing step of applying a predetermined compressive force to the web in a state where the first coating layer is melted, and a pressurized cooling step of cooling the web to solidify the first coating layer while still applying the predetermined compressive force.


20240066858.CALIBRATION METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Naoki TAKATSU of SUWA-SHI (JP) for seiko epson corporation, Hiromu MIYAZAWA of AZUMINO-SHI (JP) for seiko epson corporation, Satoru MASAI of INA-SHI (JP) for seiko epson corporation, Oshi IWAKAMI of CHINO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/045



Abstract: a calibration method includes acquiring medium information; specifying a type of medium by collating medium information with structure data; executing a first simulation of ejecting liquid by changing at least one of physical property conditions at least once for a structure model corresponding to a specified type of the medium; ejecting the liquid onto the medium; acquiring permeation information of the liquid ejected to the medium; estimating a physical property condition of the liquid by collating the permeation information with results of the first simulation; executing a second simulation of ejecting the liquid by changing at least one of ejection conditions at least once based on the estimated physical property condition; and displaying a plurality of virtual print results, which are virtual print results when printing is performed on the medium based on each of the ejection conditions, based on results of the second simulation.


20240066859.Liquid Ejection System_simplified_abstract_(seiko epson corporation)

Inventor(s): Kunio TABATA of Shiojiri (JP) for seiko epson corporation, Noritaka IDE of Shiojiri (JP) for seiko epson corporation, Dai NOZAWA of Matsumoto (JP) for seiko epson corporation, Rika TANIMOTO of Matsumoto (JP) for seiko epson corporation, Yukihiro HANAOKA of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B41J2/045



Abstract: a liquid ejection system includes a first head unit and a second head unit. the first head unit includes a first determining circuit that determines whether a first power supply voltage is normal, a first drive circuit that outputs a first drive signal based on the first power supply voltage, and a first ejecting head that ejects liquid the second head unit includes a second determining circuit that determines whether a second power supply voltage is normal, a second drive circuit that outputs a second drive signal based on the second power supply voltage, and a second ejecting head that ejects liquid when the first determining circuit determines that the first power supply voltage is not normal, or when the second determining circuit determines that the second power supply voltage is not normal, the first ejecting head and the second ejecting head stop ejecting the liquid.


20240066860.LIQUID EJECTION APPARATUS AND DRIVING METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Takahiro KATAKURA of OKAYA-SHI (JP) for seiko epson corporation, Toshiro MURAYAMA of FUJIMI-MACHI (JP) for seiko epson corporation

IPC Code(s): B41J2/045, B41J2/14



Abstract: a liquid ejection apparatus includes an ejection unit including a nozzle, a pressure chamber, and a piezoelectric element that applies pressure fluctuations to a liquid in the pressure chamber according to a supplied drive signal, a drive signal generation unit that generates the drive signal, and a detection unit that detects a residual vibration generated in the pressure chamber. the drive signal generation unit generates the drive signal having a detection waveform including an expansion element that changes in potential from a first potential to a second potential to expand the pressure chamber, and an expansion potential maintaining element that maintains the second potential following the expansion element. a length of a period from a start to an end of a change in potential from the first potential to the second potential is equal to or greater than a length of a natural vibration cycle of the ejection unit.


20240066861.Liquid Ejecting Head And Liquid Ejecting Apparatus_simplified_abstract_(seiko epson corporation)

Inventor(s): Yu SHIOZAWA of Shiojiri (JP) for seiko epson corporation, Hitoshi TAKAAI of Azumino (JP) for seiko epson corporation, Motoki TAKABE of Shiojiri (JP) for seiko epson corporation, Eiju HIRAI of Azumino (JP) for seiko epson corporation, Takahiro KANEGAE of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B41J2/045, B41J2/14



Abstract: a first compliance portion provided at a position on the first side of a coupling area in the common flow path where the common flow path is coupled to the plurality of individual flow paths; and a second compliance portion, different from the first compliance portion, provided at a position on a second side of the coupling area in the common flow path, the second side being the other side in the second direction and being opposite to the first side, and the first compliance portion and the second compliance portion have an overlapping portion where the first compliance portion and the second compliance portion partially overlap each other as viewed in the second direction.


20240066863.PRINTING DEVICE AND PRINTING METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Takuma HAYASHI of Matsumoto (JP) for seiko epson corporation

IPC Code(s): B41J2/045, B41J2/155



Abstract: the print head includes a nozzle region na in which a distance between a nozzle array y and a nozzle array c is a distance d and a nozzle region na in which a distance between a nozzle array y and a nozzle array c is a distance d. when a ratio of sizes of a plurality of ink droplets ejected from nozzles of a nozzle region na is defined as a first ratio and a ratio of sizes of a plurality of ink droplets ejected from nozzles of a nozzle region na is defined as a second ratio, a control section executes a first print in which a ratio of ink droplets having a size other than a maximum size in the second ratio is smaller than a ratio of ink droplets having a size other than a maximum size in the first ratio.


20240066868.Liquid Ejecting Head And Liquid Ejecting Apparatus_simplified_abstract_(seiko epson corporation)

Inventor(s): Yu SHIOZAWA of Shiojiri (JP) for seiko epson corporation, Hitoshi TAKAAI of Azumino (JP) for seiko epson corporation, Takahiro KANEGAE of Shiojiri (JP) for seiko epson corporation, Eiju HIRAI of Azumino (JP) for seiko epson corporation

IPC Code(s): B41J2/14, B41J2/045



Abstract: a liquid ejecting head includes: a nozzle substrate having a nozzle configured to eject liquid; a pressure chamber substrate having a pressure chamber in which a pressure for ejecting liquid through the nozzle is applied to liquid and an absorption chamber adjacent to an upstream portion of the pressure chamber and configured to absorb vibration of liquid that occurs when a pressure is applied to the liquid in the pressure chamber; a first piezoelectric element associated with the pressure chamber and configured to be driven by voltage application; and a second piezoelectric element associated with the absorption chamber and configured to be driven independently of the first piezoelectric element by voltage application.


20240066869.Liquid Ejecting Apparatus_simplified_abstract_(seiko epson corporation)

Inventor(s): Yu OKAMURA of Matsumoto (JP) for seiko epson corporation, Yoshiki SUGAWARA of Mikawa (JP) for seiko epson corporation

IPC Code(s): B41J2/145



Abstract: there are provided a liquid ejecting head configured to eject a liquid in an ejection direction; and a support unit having a support body that supports the liquid ejecting head and a base portion that supports the support body, and the support body is rotatable about a rotation shaft extending in a direction orthogonal to the ejection direction with respect to the base portion.


20240066872.RECORDING DEVICE AND METHOD OF CONTROLLING RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Yasuo SUNAGA of MATSUMOTO-SHI (JP) for seiko epson corporation, Takeshi AOKI of MATSUMOTO-SHI (JP) for seiko epson corporation, Yusaku AMANO of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/165



Abstract: a recording device has: a recording section that discharges a liquid to a medium for recording purposes; a maintenance unit that abuts the recording section and performs maintenance of the recording section; a first moving section that causes the recording section to abut the maintenance unit and separates the recording section from the maintenance unit; and a restricting section that can suppress movement of the recording section toward the maintenance unit after the recording section abuts the maintenance unit. the first moving section has a driving source and a worm gear that transmits the power of the driving source. a force with which the driving source causes the recording section to abut the maintenance unit is smaller than a force with which the driving source separates the recording section from the maintenance unit.


20240066874.Maintenance Liquid And Maintenance Method_simplified_abstract_(seiko epson corporation)

Inventor(s): Yuko HISHIDA of Matsumoto (JP) for seiko epson corporation, Miki UCHIDA of Matsumoto (JP) for seiko epson corporation, Yusuke MIZUTAKI of Shiojiri (JP) for seiko epson corporation, Hiromichi TAKANASHI of Shiojiri (JP) for seiko epson corporation, Tomohiro KAWASAKI of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B41J2/165, C09D11/322, C11D3/00, C11D3/20, C11D3/43



Abstract: a maintenance liquid is used to maintain an ink jet head of a printing apparatus configured to eject an ink for printing from the ink jet head. the maintenance liquid is aqueous and subject to detection by a conductivity-based sensor. the maintenance liquid includes at least one selected from the group consisting of inorganic alkalis and ethylenediaminetetraacetic acid compounds and at least one selected from the group consisting of organic acids and organic alkalis. the maintenance liquid has an electrical conductivity of 100 �s/cm or more and a ph of 6.0 to 11.


20240066875.LIQUID EJECTION APPARATUS AND CONTROL METHOD FOR LIQUID EJECTION APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroyuki TOMIMATSU of SUWA-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/165, G06F3/12



Abstract: a liquid ejection apparatus includes an ejection unit including a first ejection unit having a first nozzle surface in which a first nozzle is opened, the first ejection unit being configured to eject a first liquid from the first nozzle onto a medium, and a second ejection unit having a second nozzle surface in which a second nozzle is opened, the second ejection unit being configured to eject a second liquid from the second nozzle onto a medium, the second liquid containing a component for coagulating the first liquid, a detection unit configured to detect contact between the ejection unit and a medium, and a notification unit configured to perform notification of information for prompting confirmation of the first nozzle surface and the second nozzle surface when the detection unit detects contact between the ejection unit and a medium.


20240066878.Liquid Ejecting Apparatus_simplified_abstract_(seiko epson corporation)

Inventor(s): Kei YAMAGUCHI of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B41J2/175



Abstract: a liquid ejecting apparatus includes a liquid ejecting head including one of a first-flow path member and a second-flow path member, and a flow path structure body including another of the first-flow path member and the second-flow path member. the first-flow path member has a base portion and a first-flow path pipe protruding from the base portion in an insertion direction. the second-flow path member has a coupling surface having a first-opening portion that the first-flow path pipe is inserted and a first-guide portion disposed in a direction opposite to the insertion direction with respect to the coupling surface. the first-flow path pipe includes a first-insertion portion inserted into the first-opening portion and a first-guided portion that is guided by the first-guide portion before the first-insertion portion is inserted into the first-opening portion. the first-guided portion is disposed between the first-insertion portion and the base portion.


20240066881.CAP AND CARTRIDGE UNIT_simplified_abstract_(seiko epson corporation)

Inventor(s): Tadahiro MIZUTANI of Shiojiri-shi (JP) for seiko epson corporation, Yoshihiro KOIZUMI of Shiojiri-shi (JP) for seiko epson corporation, Shun OYA of Kiso-machi (JP) for seiko epson corporation, Takumi NAGASHIMA of Matsumoto-shi (JP) for seiko epson corporation, Hiroto HANBA of Shiojiri-shi (JP) for seiko epson corporation

IPC Code(s): B41J2/175



Abstract: a cartridge including a first guide rib and a second guide rib that extend in the y direction and project outward in the x direction. in an attachment state in which a cap is attached to the cartridge, the cap includes a sealing wall having a liquid holding portion that faces the liquid supply portion, a first projecting rib projecting in a direction opposite to a projecting direction of the first guide rib, a second projecting rib projecting in a direction opposite to a projecting direction of the second guide rib, a first recessed portion that is formed between the sealing wall and the first projecting rib and accommodates the first guide rib, and a second recessed portion that is formed between the sealing wall and the second projecting rib and accommodates the second guide rib.


20240066885.LIQUID DISCHARGE APPARATUS AND STORAGE DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takanori YOKOI of Yamagata-mura (JP) for seiko epson corporation, Yasuhiro HOSOKAWA of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B41J2/175



Abstract: a liquid discharge apparatus includes a first storage section that stores a liquid in a space between a first surface and a second surface, a second storage section that stores a liquid in a space between a third surface and a fourth surface, a first flexible printed substrate including a first wiring portion including a first electrode provided on the first surface and a second wiring portion including a second electrode provided on the second surface, and a second flexible printed substrate including a third wiring portion including a third electrode provided on the third surface, the second wiring portion has a first shield electrode that is located between the second electrode and the third wiring portion for shielding the second electrode, and the third wiring portion does not have a shield electrode for shielding the third electrode between the third electrode and the second wiring portion.


20240066886.LIQUID DISCHARGE APPARATUS AND STORAGE DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takanori YOKOI of Yamagata-mura (JP) for seiko epson corporation, Yasuhiro HOSOKAWA of Shiojiri (JP) for seiko epson corporation

IPC Code(s): B41J2/175



Abstract: a liquid discharge apparatus includes a storage section that stores a liquid between a first surface and a second surface, and a flexible printed substrate for detecting a remaining amount of the liquid in the storage section, in which the flexible printed substrate includes a first wiring portion having an input electrode provided on the first surface, a first detection electrode provided on the second surface, and a second wiring portion having a second detection electrode provided on the second surface and a third detection electrode provided on the second surface, and an area of a first region of the input electrode overlapping the first detection electrode is smaller than an area of a second region of the input electrode overlapping the second detection electrode, and an area of a third region of the input electrode overlapping the third detection electrode is smaller than the area of the second region.


20240066888.PRINTING APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Kazuhisa KATO of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J2/21, B41J2/15, B41J11/00



Abstract: a printing apparatus including a transport unit configured to transport a medium in a transport direction, a printing unit configured to form an image on the medium, and a reading unit extended in an extending direction intersecting the transport direction and configured to read the image formed on the medium, wherein the extending direction of the reading unit is inclined with respect to a width direction orthogonal to the transport direction. with the printing apparatus having such a configuration, it is possible to improve determination accuracy of an operation state of the printing unit.


20240066894.LIQUID EJECTION DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): So WARASHINA of SHIOJIRI-SHI (JP) for seiko epson corporation, Takeshi KOMAKI of SHIOJIRI-SHI (JP) for seiko epson corporation, Noboru OTSUKI of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J11/00, B41J2/175, B41J2/185, B41J11/58, B41J29/02



Abstract: a liquid ejection device includes a medium set section that is configured to set a medium, a support section that is configured to support the medium, a recording section that ejects ink onto the medium supported by the support section to record, a liquid container mounting section to which a liquid container that contains the ink to be supplied to the recording section is attached, and a waste liquid container mounting section to which a waste liquid container that stores ink discharged as waste liquid from the recording section is attached, wherein the liquid container mounting section and the waste liquid container mounting section are provided at position below the support section and overlap with the medium set section as viewed from a direction along a transport direction in which the medium is transported in the support section.


20240066898.PRINTING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takumi SATO of MATSUMOTO-SHI (JP) for seiko epson corporation, Shoji AKATSU of SHIOJIRI-SHI (JP) for seiko epson corporation, Shuhei KUROTOBI of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J15/04, B41J15/16, B65H75/28



Abstract: a printing device includes a print section for printing on a continuous medium m, a pair of holding sections each having an insertion section configured to be inserted into one of a first winding core of the wound medium m or a second winding core for winding the medium m from an outer side in an extending direction of the winding core, and a support section for supporting the holding section , wherein the support section is disposed closer to the print section than the holding section in a first direction, which is a direction from the holding section toward the support section , of directions perpendicular to the extending direction of the winding core. by adopting the printing device having such a configuration, it is possible to configure the printing device to be lowered.


20240066899.RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takuto TANAKA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J25/00, B41J2/165, B41J2/21, B41J11/00, B41J11/58, B41J29/17



Abstract: a recording device includes a recording unit, a transport belt configured to support the medium, and a moving mechanism configured to move at least one of the recording unit or the transport belt with respect to the other in a movement direction. the recording device includes a cleaning unit provided in a manner movable forward and backward with respect to a position between the recording unit and the transport belt in a first direction intersecting the movement direction. the cleaning unit is configured to, when the recording unit is located at a to-be-cleaned position, start moving from a non-cleaning region and move in a cleaning region in the first direction, thereby cleaning the ejecting unit. a restriction portion configured to restrict movement of the cleaning unit is located in the non-cleaning region to the cleaning region when the cleaning unit does not perform cleaning.


20240066900.RECORDING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Takuto TANAKA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): B41J25/00



Abstract: a recording device is with a mobile body configured to be able to move and be attachable and detachable. the mobile body includes a recording unit configured to perform recording on a medium or a maintenance unit configured to perform maintenance of the recording unit. the recording device includes: the mobile body; a first guide portion configured to guide the mobile body along a movement direction; a second guide portion bifurcating from the first guide portion and configured to guide the mobile body along a attachment and detachment direction intersecting the movement direction; and a restricting portion. the restricting portion is configured to restrict movement of the mobile body along the attachment and detachment direction, when the mobile body is disposed at a replacement position where the second guide unit bifurcates from the first guide unit and attachment and detachment are possible.


20240066901.PRINTING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Tsutomu OZAKI of MATSUMOTO-SHI (JP) for seiko epson corporation, Ryuji MORIYAMA of MATSUMOTO-SHI (JP) for seiko epson corporation, Akimasa NOZAWA of TATSUNO-MACHI (JP) for seiko epson corporation, Yuta WATANABE of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B41J29/17, B41J29/13



Abstract: a printing device includes a printing section that is provided on a first direction side with respect to a medium and that performs printing and a wiper that is detachably attached inside a housing and that is configured to wipe the printing section, wherein the wiper is configured to be pulled out from the housing by being pulled out in a second direction intersecting the first direction.


20240067472.MEDIUM TRANSPORT DEVICE AND RECORDING SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Masaki SHIMOMURA of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): B65H5/06



Abstract: a medium transport device can be installed in an in-body discharge portion in a recording device including a recording unit, the recording unit being configured to perform recording on a medium. the medium transport device includes a transport unit positioned, in the recording device, between a first discharge path through which the medium is discharged to the in-body discharge portion and a first processing unit configured to perform first processing on the medium discharged to the in-body discharge portion, the transport unit being configured to transport the medium discharged from the first discharge path to the first processing unit, and an operation unit configured to enable manual operation of the transport unit.


20240067840.Treatment Liquid Composition For Dye Printing, Composition Set, Textile Printing Method, And Ink Jet Textile Printing Method_simplified_abstract_(seiko epson corporation)

Inventor(s): Toshiaki OGUCHI of Shiojiri (JP) for seiko epson corporation, Takayoshi KAGATA of Shiojiri (JP) for seiko epson corporation

IPC Code(s): C09D11/54, C09D11/033, C09D11/037, C09D11/328, C09D11/40, D06P1/642, D06P5/22, D06P5/30



Abstract: a treatment liquid composition for dye printing according to the present disclosure is used in a state of being attached to a fabric and includes resin particles, a crosslinking agent, an organic solvent, and water, in which the organic solvent has an sp value of 13.5 or less, the organic solvent has a standard boiling point of 100� c. or higher, and the content of the organic solvent is 5% by mass or more with respect to the total amount of the treatment liquid composition.


20240068935.COLORIMETRIC SYSTEM, TERMINAL DEVICE, INFORMATION PROCESSING DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Takashi EZOE of SHIOJIRI-SHI (JP) for seiko epson corporation, Kanji KAMIJIMA of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): G01N21/25, G06T7/90



Abstract: a colorimetric system includes a terminal device and an information processing device. the terminal device includes a transmitter that associates a colorimetric value indicating a color of a colorimetry target subjected to colorimetry by a colorimetric device with accompanying information including at least one of a captured image of the colorimetry target and positional information of the colorimetry target and transmits the colorimetric value and the accompanying information. the information processing device includes a receiver that receives the colorimetric value and the accompanying information, and a display unit that displays the colorimetric value and the accompanying information in a state in which the colorimetric value is associated with the accompanying information.


20240069057.Angular Velocity Detection Element And Angular Velocity Sensor_simplified_abstract_(seiko epson corporation)

Inventor(s): Seiichiro OGURA of Minowa (JP) for seiko epson corporation, Keiichi YAMAGUCHI of Ina (JP) for seiko epson corporation, Ryuta NISHIZAWA of Nagano (JP) for seiko epson corporation

IPC Code(s): G01P3/44



Abstract: an angular velocity detection element includes: a drive vibration arm configured to perform flexural vibration according to an applied drive signal; and a detection vibration arm configured to perform flexural vibration according to an applied angular velocity. each of the drive vibration arm and the detection vibration arm has a bottomed groove portion along an extending direction. d2/t2>d1/t1, in which t1 is a thickness of the drive vibration arm, d1 is a depth of the groove portion of the drive vibration arm, t2 is a thickness of the detection vibration arm, and d2 is a depth of the groove portion of the detection vibration arm.


20240069374.TRANSMISSIVE LIQUID CRYSTAL PANEL_simplified_abstract_(seiko epson corporation)

Inventor(s): Norikazu KADOTANI of Azumino-shi (JP) for seiko epson corporation

IPC Code(s): G02F1/1333, G03B21/16, H04N9/31



Abstract: a transmissive liquid crystal panel includes a pixel region where a plurality of pixels are arrayed, a liquid crystal layer configured to modulate light for the plurality of pixels, an incident section configured to make the light incident on liquid crystal layer, an emission section configured to emit, as image light, the light modulated by liquid crystal layer, and a vapor chamber including an opening section corresponding to pixel region, a heat receiving section provided around the opening section, and a heat radiating section configured to radiate heat received by heat receiving section, the vapor chamber vaporizing, with the heat received by heat receiving section, a coolant in a liquid phase encapsulated on an inside of the vapor chamber and radiating, with the heat radiating section, heat of the coolant in a gas phase to thereby condense the coolant in the gas phase into the coolant in the liquid phase.


20240069423.PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Yutaka AMANO of Matsumoto-shi, Nagano-ken (JP) for seiko epson corporation

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



Abstract: a projector of the present disclosure includes a light source configured to emit first light, which is non-linearly polarized light, a polarization conversion unit configured to convert the first light into predetermined linearly polarized light, a light modulation device including a liquid crystal panel which modulates the predetermined linearly polarized light, and a superimposing optical system configured to superimpose, on the liquid crystal panel, the predetermined linearly polarized light made incident from the polarization conversion unit. the polarization conversion unit includes a polarizing separator configured to separate the first light into second light and third light and a phase difference plate. the polarizing separator includes a polarizing separation plate and a reflection plate disposed to be separated from and opposed to each other, the polarizing separation plate is provided in a tilted state with respect to a principal ray of the first light and separates the first light by transmitting a first linearly polarized light component in the first light toward the superimposing optical system as the second light and reflecting, as the third light, a second linearly polarized light component in the first light, and the reflection plate reflects the third light toward the superimposing optical system.


20240069691.DISPLAY METHOD, DISPLAY APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Fumitaka KATO of Matsumoto-shi, Nagano-ken (JP) for seiko epson corporation

IPC Code(s): G06F3/0482, G06F3/04845, G06F3/04847



Abstract: a display method including: receiving first operation for dividing a region of a first image including a plurality of control points into a plurality of regions including a first region and a second region; receiving second operation for changing a number of control points included in at least one of the first region and the second region; receiving, in the at least one region of the first region and the second region, third operation including selection of one or more control points in the first image and designation of positions after the movement of the one or more control points; correcting a second image based on positions in the first image before the movement of the one or more control points and positions after the movement of the one or more control points in the first image; and causing a display apparatus to display the second image on a display surface.


20240069821.DISPLAY CONTROL DEVICE, DISPLAY CONTROL METHOD, AND STORAGE MEDIUM_simplified_abstract_(seiko epson corporation)

Inventor(s): Ryota HARA of SAPPORO-SHI (JP) for seiko epson corporation

IPC Code(s): G06F3/12



Abstract: a display control device includes a progress acquirer that acquires progress of a plurality of processes for generating print products, a subdivision progress acquirer that acquires, in at least one of the plurality of processes, progress of subdivided processes obtained by subdividing the process, a process display that displays the plurality of processes on a display device so that at least one of the processes being executed is distinguishable, and a subdivided process display that displays the subdivided processes on the display device so that at least one of the subdivided processes being executed is distinguishable.


20240069840.IMAGE PROCESSING DEVICE, CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Kota NISHIDA of SHIOJIRI-SHI (JP) for seiko epson corporation, Hiroyuki KURAMOTO of SHIOJIRI-SHI (JP) for seiko epson corporation, Yui IMAMURA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): G06F3/12



Abstract: a distance information acquisition unit acquires distance information representing a distance between a terminal device and an image processing device, based on a radio wave arriving from the terminal device. a direction information acquisition unit acquires direction information representing a direction of the terminal device in relation to the image processing device, based on the radio wave arriving from the terminal device. a controller performs processing to perform image processing, based on the distance information and the direction information. the controller performs processing to perform image processing, when a position of the terminal device is within a predetermined range in relation to the image processing device and a rate of change in at least one of the distance from the terminal device and the direction of the terminal device is equal to or lower than a threshold.


20240069841.IMAGE PROCESSING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Kota NISHIDA of SHIOJIRI-SHI (JP) for seiko epson corporation, Hiroyuki KURAMOTO of SHIOJIRI-SHI (JP) for seiko epson corporation, Yui IMAMURA of SHIOJIRI-SHI (JP) for seiko epson corporation

IPC Code(s): G06F3/12



Abstract: an image processing device is communicatively connected to a terminal device. an operation panel accepts an operation from a user. a communication unit has a plurality of antennas and is used to communicate with the terminal device. a controller performs control according to direction information representing a direction of the terminal device in relation to the image processing device, acquired based on a radio wave transmitted between the terminal device and the communication unit. the communication unit is provided within a range corresponding to the operation panel, in a left-right direction as viewed from a front face side where the operation panel can be operated, of side faces of the image processing device.


20240070296.INFORMATION MANAGEMENT METHOD, DISPLAY APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Hiroyuki HASHIMOTO of Hara-Mura (JP) for seiko epson corporation

IPC Code(s): G06F21/60



Abstract: an information management method according to an aspect of the present disclosure includes disclosing, by a computer, a second parameter obtained by irreversibly converting a first parameter and disclosing, by the computer, the first parameter simultaneously with disclosing the second parameter or after disclosing the second parameter.


20240070822.IMAGE PROCESSING APPARATUS, PRINTING SYSTEM, AND IMAGE PROCESSING METHOD_simplified_abstract_(seiko epson corporation)

Inventor(s): Yoshio OKUMURA of Matsumoto (JP) for seiko epson corporation, Naoki KAYAHARA of Chino (JP) for seiko epson corporation, Tsubasa NAKATSUKA of Shiojiri (JP) for seiko epson corporation, Yuto TENGUISHI of Shiojiri (JP) for seiko epson corporation

IPC Code(s): G06T5/00, G06T3/40, G06T5/20



Abstract: an image processing apparatus includes a blurring processing unit configured to generate a blurred image by applying a two-dimensional gaussian filter having a filter size of s1�s2 to an input image, and a resolution conversion unit configured to generate, from the blurred image, a converted image of which a resolution is converted at a first conversion magnification r1 and a second conversion magnification r2. when the blurring processing unit sets a relation of s1>s2, a relation of r2>r1 is established, and when the blurring processing unit sets a relation of s2>s1, a relation of r1>r2 is established. here, standard deviations of the gaussian filter are set to be standard deviations �1 and �2, respectively. the blurring processing unit applies the gaussian filter having a filter coefficient of �2=�1 to the input image when s2 is different from s1.


20240070828.IMAGE CORRECTION METHOD, INFORMATION PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM_simplified_abstract_(seiko epson corporation)

Inventor(s): Issei YOKOYAMA of Sapporo-shi (JP) for seiko epson corporation, Yuki MORI of Matsumoto-shi (JP) for seiko epson corporation, Yoshiteru UCHIYAMA of Suwa-shi (JP) for seiko epson corporation, Makoto MIKAMI of Yokohama-shi (JP) for seiko epson corporation, Katsuyoshi YAMAGUCHI of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): G06T5/00, G06T7/50



Abstract: an image correction method according to an aspect of the present disclosure includes receiving an input of selecting one of a first method for correcting a shape of an image projected from a projector onto a projection surface and a second method that is a method for correcting the shape of the image and is different from the first method, outputting a signal for causing the projector to project a first pattern image when the first method is selected, generating first correction data for correcting the shape of the image using the first method based on a first captured image that is acquired by imaging the projection surface and includes the projection surface and a first projection image appearing on the projection surface by projecting the first pattern image, outputting a signal for causing the projector to project a second pattern image different from the first pattern image when the second method is selected, and generating second correction data for correcting the shape of the image using the second method based on a second captured image that is acquired by imaging the projection surface and includes the projection surface and a second projection image appearing on the projection surface by projecting the second pattern image.


20240070896.Method Of Recognizing Position And Attitude Of Object, And Non-Transitory Computer-Readable Storage Medium_simplified_abstract_(seiko epson corporation)

Inventor(s): Masaki HAYASHI of Matsumoto (JP) for seiko epson corporation, Hirokazu KASAHARA of Okaya (JP) for seiko epson corporation, Guoyi FU of Richmond Hill (CA) for seiko epson corporation, Zhongzhen LUO of Vaughan (CA) for seiko epson corporation

IPC Code(s): G06T7/70, G06V10/771



Abstract: a method of the present disclosure includes (a) generating an input image by imaging a scene containing the m objects by a camera, (b) obtaining a feature map showing feature amounts relating to the n keypoints from the input image using a learned machine learning model with the input image as input and the feature map as output, (c) obtaining three-dimensional coordinates of the n keypoints belonging to each of the m objects using the feature map, and (d) determining positions and attitudes of one or more objects of the m objects using the three-dimensional coordinates of the n keypoints belonging to each of the m objects, wherein (c) includes (c1) obtaining m�n keypoints having undetermined correspondence relationships with the m objects and determining the three-dimensional coordinates of the m�n keypoints, and (c2) grouping the m�n keypoints to the n keypoints belonging to each of the m objects.


20240071268.CONTROL DEVICE, ELECTRONIC DEVICE, HEAD-MOUNTED DISPLAY DEVICE, CONTROL METHOD, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING CONTROL PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Kazuki NAGAI of AZUMINO-SHI (JP) for seiko epson corporation

IPC Code(s): G09G3/00



Abstract: a control device including a device coupling unit coupled to an electronic device, and a processing unit configured to execute an application program configured to process sensor data related to a sensor provided in the electronic device, in which the electronic device determines whether an algorithm language related to processing of a detection value of the sensor is receivable, and transmits the algorithm language to the electronic device when determining that the algorithm language is receivable.


20240071270.PROJECTION-TYPE DISPLAY APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Toru AOKI of Shiojiri-shi (JP) for seiko epson corporation, Hiroyuki HOSAKA of Matsumoto-shi (JP) for seiko epson corporation, Yusuke KOMURO of Azumino-shi (JP) for seiko epson corporation

IPC Code(s): G09G3/00



Abstract: a projection-type display apparatus includes a liquid crystal panel including a panel pixel, an optical path shifting element that shifts a projected pixel projected from the panel pixel, and a display control circuit that controls the liquid crystal panel and the optical path shifting element. the display control circuit supplies, to the liquid crystal panel, the same data signal and controls the projected pixel to be at a same position in a unit period f- and a unit period f- period, and controls the optical path shifting element to cause the position of the projected pixel in each of a unit period f- to a unit period f-, to be different from the position of the projected pixel in a respective one of a unit period f- to a unit period f-


20240071271.PROJECTION-TYPE DISPLAY APPARATUS_simplified_abstract_(seiko epson corporation)

Inventor(s): Toru AOKI of Shiojiri-shi (JP) for seiko epson corporation, Hiroyuki HOSAKA of Matsumoto-shi (JP) for seiko epson corporation, Yusuke KOMURO of Azumino-shi (JP) for seiko epson corporation

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



Abstract: a projection-type display apparatus includes a liquid crystal panel including a panel pixel, an optical path shifting element that shifts a projected pixel projected from the panel pixel, and a display control circuit that controls the liquid crystal panel and the optical path shifting element. the display control circuit supplies, to the liquid crystal panel, the same data signal and controls the projected pixel to be at a same position in each of a unit period f- and a unit period f-, and controls the optical path shifting element to cause a shift direction from the projected pixel before the shift toward the projected pixel after the shift from a unit period f- to a unit period f- to be opposite to the shift direction from the projected pixel before the shift toward the projected pixel after the shift from a unit period f- to a unit period f-


20240071322.ELECTRO-OPTICAL DEVICE HAVING A STORAGE CAPACITOR FORMED BY A DATA LINE AND A POTENTIAL LINE_simplified_abstract_(seiko epson corporation)

Inventor(s): Toshiyuki KASAI of Okaya-shi (JP) for seiko epson corporation, Takeshi NOMURA of Shiojiri-shi (JP) for seiko epson corporation

IPC Code(s): G09G3/3291, G09G3/3233



Abstract: an electro-optical device is provided with a plurality of data lines, a plurality of potential lines supplied with a predetermined potential, a driving transistor controlling a current level according to the voltage between the gate and the source, a first storage capacitor which holds the voltage between the gate and a source of the driving transistor, and a light-emitting element. one data line among the plurality of data lines and one potential line among the plurality of potential lines are arranged to be adjacent to each other, and a second storage capacitor holding the potential of the one data line is formed by the one data line and the one potential line.


20240071351.METHOD OF MANUFACTURING SOUNDPROOF SHEET AND SOUNDPROOF SHEET_simplified_abstract_(seiko epson corporation)

Inventor(s): Hideaki YAJIMA of Chino (JP) for seiko epson corporation, Yuta OKAWA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): G10K11/162, B29D7/01



Abstract: a method of manufacturing a soundproof sheet includes a first accumulating step of producing a web in which a plurality of first fibers, which are natural fibers, and a plurality of second fibers including a first core portion and a first coating layer coating the first core portion and having a first melting point are mixed, a heating step of heating the web to melt the first coating layer, a first cooling step of cooling the web in a state where the first coating layer is melted to solidify the first coating layer, a pressurized heating step of heating the web to melt the first coating layer and applying a predetermined compressive force to the web, and a second cooling step of cooling the web subjected to the pressurized heating step to a temperature lower than the first melting point to solidify the first coating layer.


20240072760.Resonator Device_simplified_abstract_(seiko epson corporation)

Inventor(s): Atsushi MATSUO of Shiojiri (JP) for seiko epson corporation, Kensaku ISOHATA of Minowa (JP) for seiko epson corporation, Norihito MATSUKAWA of Shimosuwa (JP) for seiko epson corporation

IPC Code(s): H03H9/05, H03H9/19



Abstract: a resonator device includes a resonator element, a container configured to house the resonator element, and a bonding member configured to bond the resonator element and the container to each other, wherein the resonator element has a vibrating part which has a first principal surface provided with a first excitation electrode, a second principal surface provided with a second excitation electrode and having an obverse-reverse relationship with the first principal surface, and a side surface extending in a first direction along a displacement direction of a thickness-shear vibration excited by the first excitation electrode and the second excitation electrode, and which has a longitudinal direction in a second direction as a direction crossing the first direction, a coupling arm extending in the second direction from the side surface of the vibrating part, and a support part which includes a first support arm extending in the first direction from the coupling arm, which extends in the first direction, and which is bonded to the container via the bonding member.


20240072765.STRUCTURE, PHYSICAL QUANTITY SENSOR, INERTIAL SENSOR, AND METHOD FOR MANUFACTURING STRUCTURE_simplified_abstract_(seiko epson corporation)

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

IPC Code(s): H03H9/215, G01C19/5628, G01P15/097



Abstract: a structure is a structure of a quartz crystal substrate having a slit. the structure includes, as an inner wall of the slit, a first side surface, a second side surface, a first end surface, and a second end surface. the first side surface extends along a first direction which is a longitudinal direction of the slit, and the second side surface extends along the first direction. the first end surface is continuous with the first side surface and extends along a first crystal plane of the quartz crystal substrate, and the second end surface is continuous with the second side surface and extends along a second crystal plane of the quartz crystal substrate. in a plan view of the quartz crystal substrate, an intersection point where a first straight line corresponding to the first end surface and a second straight line corresponding to the second end surface intersect each other is located inside the quartz crystal substrate.


20240073329.PRINTING SYSTEM AND CONTROL METHOD THEREFOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Daiki KOBAYASHI of SHIOJIRI-SHI (JP) for seiko epson corporation, Hiroto TSUKIOKA of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): H04N1/00, G06F8/61



Abstract: a printing system includes an administrator terminal, a user terminal, and a processor that provides a printing service related to a printer configured to be used by the user terminal, in which the processor transmits, based on an expiration date of a contract for the printing service, request information for requesting response information to the administrator terminal and transmits notification information to the user terminal when continuation processing for the contract is not executed based on the response information from the administrator terminal, the user terminal transmits, based on the notification information, inquiry information for inquiring about continuation of the contract to the administrator terminal, the administrator terminal transmits, based on the inquiry information, continuation information for continuing the contract to the processor, and the processor executes, based on the continuation information, the continuation processing and grants permission to use the printing service to the user terminal.


20240073332.INFORMATION PROCESSING DEVICE, PRINTING SYSTEM, STORAGE MEDIUM, AND METHOD FOR CONTROLLING INFORMATION PROCESSING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Yusuke Watanabe of MATSUMOTO-SHI (JP) for seiko epson corporation, Tomohiro KIYOTAKI of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): G06F3/12



Abstract: an information processing device includes a display and a second controller that causes the display to display an edit screen including a first image edit area and a second image edit area for receiving an edit to an image. the second controller causes a stair image, which resembles the shape of a media tray to be inserted into a printing device, to be displayed as a background image of the edit screen. images displayed in the first image edit area and the second image edit area are associated with images to be printed on a plurality of print media loaded in the media tray, the association being based on the location of the stair image relative to the first image edit area and the second image edit area.


20240073336.READING DEVICE AND METHOD FOR CONTROLLING READING DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Hisataka KUGIMACHI of FUKUTSU-SHI (JP) for seiko epson corporation

IPC Code(s): H04N1/00



Abstract: a reading device connected to an external device include a transport section configured to transport a document, a reading section configured to read the document transported by the transport section, a data generation section configured to generate image data of the document read by the reading section; a transfer section configured to transfer the image data to the external device, a notification section configured to notify information to a user, and a control section, wherein the control section is configured to control a transport speed of the document by the transport section based on a transfer speed of the image data by the transfer section and, when the transport speed is changed, to cause the notification section to notify using a change notification a1 indicating a change in the transport speed.


20240073350.INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND INFORMATION PROCESSING SYSTEM_simplified_abstract_(seiko epson corporation)

Inventor(s): Nobutada MIZUSAWA of Sapporo-shi (JP) for seiko epson corporation, Katsuya TANAKA of Sapporo-shi (JP) for seiko epson corporation

IPC Code(s): H04N1/60, G06K7/14



Abstract: an information processing apparatus including: a code reader configured to read a two-dimensional code including processing information indicating processing regarding a sample color; a selection section configured to select first processing or second processing regarding the sample color based on the processing information; and a screen controller configured to display a first screen for displaying information regarding the first processing or a second screen for displaying information regarding the second processing in accordance with a result selected by the selection section.


20240073380.PROJECTOR_simplified_abstract_(seiko epson corporation)

Inventor(s): Yutaka AMANO of Matsumoto-shi (JP) for seiko epson corporation, Takehiko UEHARA of Chikuma -shi (JP) for seiko epson corporation

IPC Code(s): H04N9/31, G02F1/13



Abstract: a projector of the present disclosure includes a light source configured to emit first light, which is non-linearly polarized light, a polarization conversion unit configured to convert the first light into predetermined linearly polarized light, a light modulation device including a liquid crystal panel which modulates the predetermined linearly polarized light, and a superimposing optical system configured to superimpose the predetermined linearly polarized light on the liquid crystal panel. the polarization conversion unit includes a polarizing separator configured to separate the first light into second light and third light and a phase difference element configured to align polarization directions of the second light and the third light with the predetermined linearly polarized light. the polarizing separator includes a polarizing separation element and a reflection element, the polarizing separation element is provided in a tilted state with respect to a principal ray of the first light and separates the first light by reflecting a first linearly polarized light component in the first light toward the superimposing optical system as the second light and transmitting, as the third light, a second linearly polarized light component in the first light, and the reflection element reflects the third light made incident from the polarizing separation element toward the superimposing optical system.


20240073385.DISPLAY CONTROL METHOD, CONTROL DEVICE, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Shiki FURUI of Matsumoto-shi (JP) for seiko epson corporation

IPC Code(s): H04N9/31



Abstract: a display control method includes: changing a display mode of a target image when an instruction image is located in a control region of the target image that includes a display position where the target image is displayed, the target image being one of a plurality of control images for correcting a projection image projected by a projector.


20240073386.DISPLAY METHOD, PORTABLE INFORMATION PROCESSING APPARATUS, AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM_simplified_abstract_(seiko epson corporation)

Inventor(s): Issei YOKOYAMA of Sapporo-shi (JP) for seiko epson corporation

IPC Code(s): H04N9/31



Abstract: a display method according to an aspect of the present disclosure includes displaying a first image on a display of a portable information processing apparatus, the display having a long side and a short side; and displaying a second image in an orientation in which the second image is along the short side of the display, the second image being used to acquire, by image capturing, a captured image that includes a projection surface on which an image is projected from a projector and an image appearing on the projection surface by projecting the image from the projector.


20240073595.VIRTUAL IMAGE DISPLAY DEVICE AND ACOUSTIC DEVICE_simplified_abstract_(seiko epson corporation)

Inventor(s): Kazuya KAMAKURA of MATSUMOTO-SHI (JP) for seiko epson corporation

IPC Code(s): H04R1/34, G02B27/01, H04R1/02, H04R1/08, H04R1/10



Abstract: a virtual image display device includes a display element, a mounting member that fixes the display element, a temple member that is coupled to the mounting member, and a speaker that is mounted on the mounting member. the speaker has an opening portion for sound output at a coupling portion between the mounting member and the temple member.


20240073795.INFORMATION PROCESSING DEVICE, CONTROL METHOD OF INFORMATION PROCESSING DEVICE, AND PROGRAM_simplified_abstract_(seiko epson corporation)

Inventor(s): Daiki KOJIMA of OKAYA-SHI (JP) for seiko epson corporation

IPC Code(s): H04W48/16, H04L67/147, H04W48/20



Abstract: a control unit of an information processing device causes a touch panel to display, based on identification information of a connection device received by the touch panel, a web page related to a setting of the connection device corresponding to the identification information and related to a setting of wireless communication of a first wireless communication method, acquires the identification information of the connection device included in the web page, displays the identification information of the connection device on an application screen displayed by an application program, when the identification information displayed on the application screen is selected, detects the connection device corresponding to the identification information, and wirelessly connects to the connection device by causing a first wireless communication i/f to perform wireless communication according to the first wireless communication method.


20240074009.Dielectric Heating Device And Liquid Ejection System_simplified_abstract_(seiko epson corporation)

Inventor(s): Tadashi AIZAWA of Matsumoto (JP) for seiko epson corporation

IPC Code(s): H05B6/54, H05B6/62



Abstract: a dielectric heating device includes a transport section that transports a medium; an electrode unit that has a first electrode and a second electrode facing the medium in a first direction and to which an ac voltage is applied, and that heats the medium by a dielectric heating; and a control section which controls the transport section, wherein the second electrode is located to surround the first electrode as viewed along the first direction, the first electrode includes a first conductor and a second conductor protruding from the first conductor toward the medium, and the second conductor is covered by the first conductor when projected onto a plane perpendicular to the first direction.


20240074292.DISPLAY DEVICE AND ELECTRONIC APPARATUS_simplified_abstract_(seiko epson corporation)

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

IPC Code(s): H10K59/80



Abstract: a display device includes: an organic layer including a light-emitting layer, the light-emitting layer including an organic light-emitting material; a reflective layer configured to reflect light generated at the light-emitting layer; a first electrode that is transparent; a second electrode that is transparent; and an optical adjustment layer configured to adjust an optical distance between the reflective layer and the second electrode. the reflective layer, the optical adjustment layer, the first electrode, the organic layer, and the second electrode are arranged in order. a reflectance of a first interface between the organic layer and the first electrode and a reflectance of a second interface between the organic layer and the second electrode are each 11% or less.


SEIKO EPSON CORPORATION patent applications on February 29th, 2024