SEIKO EPSON CORPORATION patent applications on April 3rd, 2025
Patent Applications by SEIKO EPSON CORPORATION on April 3rd, 2025
SEIKO EPSON CORPORATION: 32 patent applications
SEIKO EPSON CORPORATION has applied for patents in the areas of B41J2/045 (6), B41J2/14 (6), B41J11/00 (5), B41J2/175 (4), B41J29/13 (4) B41J2/04541 (5), B41J29/13 (3), B41J2/14 (2), B41J11/706 (2), B08B5/026 (1)
With keywords such as: circuit, portion, configured, signal, unit, drive, output, switching, image, and direction in patent application abstracts.
Patent Applications by SEIKO EPSON CORPORATION
20250108412. IMAGE READING DEVICE_simplified_abstract_(seiko epson corporation)
Inventor(s): Yudai TARUYA of KITAKYUSHU-SHI JP for seiko epson corporation, Masaki NAMIKI of KITAKYUSHU-SHI JP for seiko epson corporation
IPC Code(s): B08B5/02, B08B5/04
CPC Code(s): B08B5/026
Abstract: an image reading device includes a reading unit configured to read an image of a medium conveyed in a conveyance direction through a conveyance path, and a cleaning unit configured to clean a cleaning object in the conveyance path with an airflow. the cleaning unit includes a foreign matter moving unit configured to cause an airflow to flow in the conveyance path in a direction from one end to the other end that intersects the conveyance direction to move a foreign matter located at the cleaning object from the one end to the other end, and a first storage unit located at the other end of the conveyance path and configured to receive and store the foreign matter moved by the airflow in the direction from the one end to the other end.
20250108565. THREE-DIMENSIONAL MOLDING SYSTEM_simplified_abstract_(seiko epson corporation)
Inventor(s): Shigeru YAMAZAKI of SHIOJIRI-SHI JP for seiko epson corporation
IPC Code(s): B29C64/393, B29C64/25, B33Y30/00, B33Y50/02
CPC Code(s): B29C64/393
Abstract: a three-dimensional molding system includes a molding unit including a heater for plasticizing a material to generate a molding material and a nozzle for discharging the molding material, a stage, a position changing unit configured to change relative positions of the stage and the nozzle, an imaging unit disposed further on an outer side than an outer edge of the molding surface when viewed from a direction perpendicular to the molding surface, a housing including an inner wall that defines an internal space and an outer wall, and a control unit configured to control the molding unit and the position changing unit based on molding data. at least a part of the inner wall is made of a first transparent member, and the imaging unit is disposed between the inner wall and the outer wall.
Inventor(s): Dai NOZAWA of Matsumoto JP for seiko epson corporation, Noritaka IDE of Shiojiri JP for seiko epson corporation
IPC Code(s): B41J2/045
CPC Code(s): B41J2/04541
Abstract: a drive circuit board includes a first driver circuit configured to output a first drive signal, a first switching element configured to output a first switching signal, a second driver circuit configured to output a second drive signal, a second switching element configured to output a second switching signal corresponding to the first switching signal, and a smoothing circuit configured to output a drive signal obtained by smoothing the second switching signal, wherein the wiring board includes a first side and a second side located so as to be opposed to each other along a first direction, a frequency of the first drive signal is higher than a frequency of the second drive signal, and a distance between the first switching element and the first driver is shorter than a distance between the second switching element and the second driver circuit.
Inventor(s): Dai NOZAWA of Matsumoto JP for seiko epson corporation, Noritaka IDE of Shiojiri JP for seiko epson corporation
IPC Code(s): B41J2/045
CPC Code(s): B41J2/04541
Abstract: a drive circuit board includes a first driver circuit configured to output a first drive signal, a first switching element pair configured to output a first switching signal, a second driver circuit configured to output a second drive signal, a second switching element pair configured to output a second switching signal, and a smoothing circuit configured to output the drive signal, wherein a distance between a source terminal of a first high-potential side fet provided to the second switching element pair and the smoothing circuit is shorter than a distance between a drain terminal of the first high-potential side fet and the smoothing circuit, and a distance between a drain terminal of a first low-potential side fet provided to the second switching element pair and the smoothing circuit is shorter than a s distance between a source terminal of the first low-potential side fet and the smoothing circuit.
Inventor(s): Dai NOZAWA of Matsumoto JP for seiko epson corporation, Noritaka IDE of Shiojiri JP for seiko epson corporation
IPC Code(s): B41J2/045
CPC Code(s): B41J2/04541
Abstract: a drive circuit board includes a drive circuit that includes a first driver circuit, a first switching element pair configured to output a first switching signal, a second driver circuit, a second switching element pair configured to output a second switching signal corresponding to the first switching signal, a smoothing circuit configured to output the drive signal obtained by smoothing the second switching signal, and a bootstrap circuit that includes a first capacitor, shifts a level of a power supply voltage to be supplied to the first switching element pair, and supplies the power supply voltage to the second switching element pair, wherein a distance between the first capacitor and the first switching element pair is longer than a distance between the first capacitor and the second switching element pair.
Inventor(s): Dai NOZAWA of Matsumoto JP for seiko epson corporation, Noritaka IDE of Shiojiri JP for seiko epson corporation
IPC Code(s): B41J2/045, B41J2/14
CPC Code(s): B41J2/04541
Abstract: a drive circuit board includes a drive circuit that includes a first switching circuit including a first driver circuit configured to output a first drive signal and a first switching element configured to output a first switching signal, a second switching circuit including a second driver circuit configured to output a second drive signal and a second switching element configured to output a second switching signal corresponding to the first switching signal, a smoothing circuit configured to output the drive signal, and a stabilizing capacitor configured to stabilize a power supply voltage to be supplied to the first switching element and the second switching element, wherein a frequency of the first drive signal is higher than a frequency of the second drive signal, and a distance between the stabilizing capacitor and the first switching element is shorter than a distance between the stabilizing capacitor and the second switching element.
Inventor(s): Dai NOZAWA of Matsumoto JP for seiko epson corporation, Noritaka IDE of Shiojiri JP for seiko epson corporation
IPC Code(s): B41J2/045, B41J2/14
CPC Code(s): B41J2/04541
Abstract: a drive circuit board configured to output a first drive signal and a second drive signal for driving a capacitive load includes a first drive circuit configured to output the first drive signal, a second drive circuit configured to output the second drive signal, a base drive signal output circuit configured to output a first base drive signal and a second base drive signal, a connector from which the first base drive signal and the second base drive signal are output, and a wiring board, wherein the first drive circuit, the base drive signal output circuit, and the connector are disposed on the wiring board along a first direction in an order of the base drive signal output circuit, the first drive circuit, and the connector, and the first drive circuit and the second drive circuit are disposed to at least partially overlap each other.
Inventor(s): Yuki WATANABE of Matsumoto JP for seiko epson corporation
IPC Code(s): B41J2/045
CPC Code(s): B41J2/04573
Abstract: a liquid ejection apparatus includes an ejection section that is configured to generate a pressure fluctuation in liquid in a pressure chamber that is communicating with a nozzle by driving a pressure generation unit in accordance with a pulse selected from the ejection pulse and the non-ejection pulse. when the non-ejection pulse is selected in a preceding cycle of two consecutive cycles among the repetitive cycles, and the ejection pulse is selected in a following cycle of the two consecutive cycles, a pulse interval t between the non-ejection pulse of the preceding cycle and the ejection pulse of the following cycle satisfies any one of following expressions (1) and (2):
Inventor(s): Yuki WATANABE of Matsumoto JP for seiko epson corporation
IPC Code(s): B41J2/045
CPC Code(s): B41J2/04573
Abstract:
Inventor(s): Fumiya TAKINO of SHIOJIRI-SHI JP for seiko epson corporation, Shun KATSUIE of MATSUMOTO-SHI JP for seiko epson corporation
IPC Code(s): B41J2/14
CPC Code(s): B41J2/14
Abstract: a liquid ejection head includes: five or more head chips disposed along a first-direction in a staggered manner, and a support member supporting the head chips, the head chips are disposed to have overlapping regions where a part of a nozzle forming region of one head chip of adjacent head chips and a part of a nozzle forming region of other head chip overlap when viewed in a second-direction that is perpendicular to the first direction, the overlapping regions include a first-overlapping region, and a second-overlapping region that is farther away from a center position of a total nozzle forming region with respect to the first-direction than the first-overlapping region, the total nozzle forming region including all the nozzle forming regions of the head chips, and the second-overlapping region is larger than the first-overlapping region with respect to the first-direction.
Inventor(s): Haruki KOBAYASHI of MATSUMOTO-SHI JP for seiko epson corporation
IPC Code(s): B41J2/14, B41J2/175
CPC Code(s): B41J2/14
Abstract: a liquid ejecting head includes: head chips including first-head-chips being arranged in a first-direction and constituting a first-chip-line and second-head-chips being arranged in the first-direction and constituting a second-chip-line displaced from the first-chip-line in a second-direction being orthogonal to the first-direction; a distribution flow channel includes a main branching flow channel, a first-sub-branching-flow-channel being a flow channel disposed between the main branching flow channel and the head chips in a direction of lamination and configured to communicate with the first-main-branching-portion, the first-sub-branching-flow-channel including a first-sub-branching-portion-a and a first-sub-branching-portion-b which branch off at a first-sub-branching-position, and the first-sub-branching-position overlaps a first-gap defined between the first-head-chips located adjacent to each other when viewed in the direction of lamination.
Inventor(s): Fumiya TAKINO of SHIOJIRI-SHI JP for seiko epson corporation
IPC Code(s): B41J2/14, B41J2/155, B41J11/00
CPC Code(s): B41J2/14072
Abstract: a liquid ejection head includes four or more head chips disposed along a first-direction in a staggered manner, and a support member supporting the head chips, wherein the head chips are disposed to have overlapping regions where a part of a nozzle forming region of one head chip of adjacent head chips and a part of a nozzle forming region of other head chip overlap when viewed in a second direction that is perpendicular to the first-direction, the overlapping regions include a first-overlapping region, and a second-overlapping region that is farther away from a center position of a total nozzle forming region with respect to the first-direction than the first-overlapping region, the total nozzle forming region including all the nozzle forming regions of the head chips, and the first-overlapping region is larger than the second-overlapping region with respect to the first-direction.
20250108621. CARTRIDGE_simplified_abstract_(seiko epson corporation)
Inventor(s): Yoshihiro KOIZUMI of Shiojiri-shi JP for seiko epson corporation, Takumi NAGASHIMA of Matsumoto-shi JP for seiko epson corporation, Shun OYA of Kiso-machi JP for seiko epson corporation, Tadahiro MIZUTANI of Shiojiri-shi JP for seiko epson corporation
IPC Code(s): B41J2/175
CPC Code(s): B41J2/17523
Abstract: a cartridge includes a liquid containing body includes a liquid containing portion that is formed inside the liquid containing body and that contains a liquid, and a liquid supply portion, the liquid supply portion being a tubular member of which one end portion is in contact with the liquid containing portion, a accommodation portion and has a bottom wall that is a wall portion facing the printing apparatus when the cartridge is mounted in the printing apparatus, and the bottom wall includes an opening portion that faces another end portion of the liquid supply portion with a gap formed therebetween or that is in contact with the other end portion, the opening portion forming an opening into which the liquid introduction portion is inserted, an exposed surface continuous with the opening portion and exposed to an outside, and one or more projecting portions formed on the exposed surface.
Inventor(s): Haruki KOBAYASHI of MATSUMOTO-SHI JP for seiko epson corporation
IPC Code(s): B41J2/175, B41J2/14
CPC Code(s): B41J2/17563
Abstract: a liquid ejecting head includes: a distribution flow channel includes a main-branching-flow-channel having a first-main-branching-portion and a second-main-branching-portion which branch off at a main-branching-position, a first-sub-branching-flow-channel being a flow-channel disposed between the main-branching-flow-channel and the head chips in the direction of lamination and configured to communicate with the first-main-branching-portion, the first-sub-branching-flow-channel including a first-sub-branching-portion-a and a first-sub-branching-portion-b which branch off at a first-sub-branching-position, and a second-sub-branching-flow-channel being a flow channel disposed at a position equivalent to a position of the first-sub-branching-flow-channel in the direction of lamination and configured to communicate with the second-main-branching-portion, the second-sub-branching-flow-channel including a second-sub-branching-portion-a and a second-sub-branching-portion-b which branch off at a second-sub-branching-position.
Inventor(s): Daisuke KURITA of Shiojiri JP for seiko epson corporation
IPC Code(s): B41J2/175, B41J29/393
CPC Code(s): B41J2/17566
Abstract: a printing apparatus including a storage container that stores a liquid used in printing processing and executing the printing processing, includes an acquisition unit acquiring reuse information on a reuse history of the storage container, a generation unit, when the printing apparatus includes a recycled storage container as a recycled product of the storage container, generating contribution information related to a contribution amount to an environment with use of the recycled storage container based on the reuse information, and a device control unit controlling a display device to display the contribution amount based on the contribution information.
20250108639. IMAGE RECORDING DEVICE_simplified_abstract_(seiko epson corporation)
Inventor(s): Satoshi NAKATA of MATSUMOTO-SHI JP for seiko epson corporation, Kanji MOMOSE of MATSUMOTO-SHI JP for seiko epson corporation, Masanari TANAKA of SHIOJIRI-SHI JP for seiko epson corporation
IPC Code(s): B41J11/70, B41J11/00, B41J11/66, B41J13/02, B41J13/03, B41J29/13
CPC Code(s): B41J11/706
Abstract: an image recording device including a cutter cover, the image recording device including: a transport unit configured to transport a medium along a transport path; a recording unit configured to record an image on the transported medium; and a cutting unit provided downstream of the recording unit in a transport direction of the medium, the cutting unit being configured to cut the transported medium. the cutting unit includes: a first cutter configured to cut the medium while moving in a scanning direction intersecting the transport direction; a second cutter opposed to the first cutter; a cutter carriage at which the first cutter is mounted, the cutter carriage being configured to move the first cutter in the scanning direction; and a protruding portion provided in an upper portion of the cutter carriage and protruding upward. a first slit extending internally along the scanning direction is formed in the upper portion of the cutter cover. the protruding portion protrudes from an inside of the cutter cover toward an outside through the first slit.
20250108640. RECORDING DEVICE_simplified_abstract_(seiko epson corporation)
Inventor(s): Satoshi NAKATA of MATSUMOTO-SHI JP for seiko epson corporation, Toru YOSHIZAWA of MATSUMOTO-SHI JP for seiko epson corporation, Hirokazu ANADA of MATSUMOTO-SHI JP for seiko epson corporation, Masanari TANAKA of SHIOJIRI-SHI JP for seiko epson corporation, Katsumi MARUYAMA of AZUMINO-SHI JP for seiko epson corporation, Soshi AKASAKA of SHIOJIRI-SHI JP for seiko epson corporation
IPC Code(s): B41J11/70, B41J11/00, B41J11/66
CPC Code(s): B41J11/706
Abstract: a recording device includes a recording unit configured to perform recording on a medium; a transport unit configured to transport the medium in a transport direction; a movable blade that cuts the medium on which recording was performed by the recording unit, a carriage that holds the movable blade and is movable along a cutting direction intersecting the transport direction, and a pressing portion that presses a surface of the medium when the cutting unit cuts the medium.
20250108646. ELECTRONIC APPARATUS_simplified_abstract_(seiko epson corporation)
Inventor(s): Tomohisa KANO of SHIOJIRI-SHI JP for seiko epson corporation, Hidenao SUZUKI of SHIOJIRI-SHI JP for seiko epson corporation
IPC Code(s): B41J29/13
CPC Code(s): B41J29/13
Abstract: a printing apparatus includes an apparatus main body, a door portion, a pressing portion, a deformation portion, and a detection unit, wherein a hole into which the pressing portion is inserted is formed at the apparatus main body, the pressed surface and the detection unit are pressed by the pressing portion inserted through the hole, the deformation portion includes a plate-like member having flexibility, one end and another end in a long side direction of the plate-like member are fixed to the apparatus main body, the detection unit is disposed at the apparatus main body so as to be covered with the pressed surface, and a width of the pressed surface is larger than a width of the detection unit and a width of the hole.
20250108647. RECORDING DEVICE_simplified_abstract_(seiko epson corporation)
Inventor(s): Takehiro SHIN of SHIOJIRI-SHI JP for seiko epson corporation, Kazutoshi MATSUZAKI of SHIOJIRI-SHI JP for seiko epson corporation
IPC Code(s): B41J29/13, B41J3/60, B41J11/00, B41J13/03, B41J13/08, B41J29/17, B65H37/00, B65H85/00
CPC Code(s): B41J29/13
Abstract: the recording device includes a door section that opens a part of the transport path by opening it and forms the part of the transport path and by closing it. the door section has a first path forming section that forms a part of the transport path, a first roller pair that nips and transports a medium, and a second roller pair that nips and transports a medium, the first roller pair and the second roller pair maintain a nipped state when the door section is opened or closed, when the door section is opened, at least a part of the path section between the first roller pair and the second roller pair is opened in the transport path, and a path length between the first roller pair and the second roller pair is shorter than a transport direction length of a smallest size of medium that is recordable.
Inventor(s): Keiichiro FUKUMASU of KITAKYUSHU-SHI JP for seiko epson corporation
IPC Code(s): B41J29/13, B41J3/44, H04N1/00
CPC Code(s): B41J29/13
Abstract: a housing structure includes a housing including an opening, and a scanner unit configured to rotate relative to the housing with a rotational movement shaft being a center to switch a posture to a closing posture and an opening posture. the opening is closed in the closing posture and open in the opening posture. the scanner unit includes a protruding portion. the housing includes a support portion. as the scanner unit is opened at 52� or more from the closing posture, the protruding portion together with the scanner unit is able to move in a direction along the rotational movement shaft. as the protruding portion moves in a direction along the rotational movement shaft, the protruding portion and the support portion engage with each other. upon the protruding portion and the support portion engaging with each other, the scanner unit is maintained in the opening posture.
Inventor(s): Takehiro SHIN of SHIOJIRI-SHI JP for seiko epson corporation, Yohei SAKAI of MATSUMOTO-SHI JP for seiko epson corporation, Soichiro KII of SHIOJIRI-SHI JP for seiko epson corporation
IPC Code(s): B65H1/04
CPC Code(s): B65H1/04
Abstract: an opening/closing member holding device includes a body part, a cover configured to be set to an attached state of covering at least a part of the body part when a fastening part is fastened to the body part, the cover being detachable from the body part when the fastening part is detached, an opening/closing member configured to be switchable to a closed state of covering the fastening part fastened to the body part, and a first open state of exposing the fastening part fastened to the body part, and a holding member configured to be attachable to and detachable from the body part. the holding member is configured to hold the opening/closing member with the opening/closing member in a second open state where the opening/closing member is further opened than in the first open state.
20250109014. Method For Manufacturing Vibration Device_simplified_abstract_(seiko epson corporation)
Inventor(s): Yusuke MATSUZAWA of Chino JP for seiko epson corporation
IPC Code(s): B81C1/00
CPC Code(s): B81C1/0015
Abstract: a method for manufacturing a vibration device includes: preparing a base including a semiconductor substrate having a first surface, on which a circuit element is formed, and a second surface, and a first insulating layer disposed on the first surface of the semiconductor substrate and covering the circuit element; forming a second insulating layer by depositing an insulator on a fifth surface of the first insulating layer on a side opposite to the semiconductor substrate; planarizing at least a part of a third surface of the second insulating layer on a side opposite to the base by polishing; forming a mount electrode on the polished third surface of the second insulating layer; and bonding a vibration element to the mount electrode.
Inventor(s): Emi TAKEUCHI of Shiojiri JP for seiko epson corporation, Chigusa SATO of Matsumoto JP for seiko epson corporation
IPC Code(s): C08J7/04, B41J3/407, B41J11/00, C08J5/12, C08J7/052, C08J7/06, C09D11/322, C09D11/38
CPC Code(s): C08J7/0427
Abstract: a shrink film is shrunk in a first direction by heat and has a quadrilateral shape in plan view with a first and a second side extending in the first direction. the shrink film includes, in plan view, a first region that is defined by a contour including a portion of the first side and a portion of the second side and has a coating of a radiation-curable ink jet ink formed therein, and a second region that has a rectangular shape with two opposing sides defined by a portion of the first side and a portion of the second side and has no coating of the radiation-curable ink jet ink or a coating of the radiation-curable ink jet ink formed therein with a smaller thickness than the coating in the first region.
20250109551. Printing Method_simplified_abstract_(seiko epson corporation)
Inventor(s): Toshiaki OGUCHI of Okaya JP for seiko epson corporation, Kazuki SHIMURA of Yamagata JP for seiko epson corporation, Takayoshi KAGATA of Shiojiri JP for seiko epson corporation
IPC Code(s): D06P5/28, D06P1/16, D06P1/52, D06P1/54, D06P5/00, D06P5/30
CPC Code(s): D06P5/005
Abstract: a printing method of the present disclosure includes a pre-treatment liquid adhesion step of adhering a pre-treatment liquid to a cloth and a thermal transfer step in which while a transfer medium on which an image is formed by a sublimation transfer ink jet ink containing a disperse dye and water is faced to the cloth to which the pre-treatment liquid is adhered, the image is thermal-transferred to the cloth. in the printing method described above, the pre-treatment liquid contains a polyester resin, a cross-linking agent, and water, and in the pre-treatment liquid adhesion step, the pre-treatment liquid is adhered to the cloth so that a product of a water absorbability [s] of the cloth obtained by the sedimentation method in accordance with jis l 1907: 2010 7.1.3 and an adhesion amount [g/m] of the polyester resin to the cloth is 8.0 to 16.0 [s�g/m].
20250109552. SHEET MANUFACTURING APPARATUS_simplified_abstract_(seiko epson corporation)
Inventor(s): Yoshikazu NAGAI of Matsumoto JP for seiko epson corporation, Akira HASHIMOTO of Shiojiri JP for seiko epson corporation, Tetsuya TAMURA of Matsumoto JP for seiko epson corporation
IPC Code(s): D21F3/04, D21F3/08
CPC Code(s): D21F3/04
Abstract: a sheet manufacturing apparatus includes a defibrator that generates a defibrated material, a accumulating portion that forms a web by accumulating the defibrated material, and a sheet shaping portion that includes a first roller and a second roller, and forms a strip-shaped sheet by pressing the web. the sheet shaping portion includes a first roller retention unit at which the first roller is installed, a drive motor, a gear to which rotation of the drive motor is transmitted so as to rotate the second roller, a first transmission gear to which rotation of the gear is transmitted, a one-way clutch gear installed at the same rotating shaft as the first transmission gear, a gear to which rotation of the one-way clutch gear is transmitted, a cam installed coaxially with the gear, and a pin that is fixed to the first roller retention unit and performs positioning of the first roller retention unit by coming into contact with the cam. the first transmission gear includes an idling mechanism capable of running idle over a certain period.
Inventor(s): Yoshikazu NAGAI of Matsumoto JP for seiko epson corporation, Akira HASHIMOTO of Shiojiri JP for seiko epson corporation, Tetsuya TAMURA of Matsumoto JP for seiko epson corporation, Naoto ARUGA of Matsumoto JP for seiko epson corporation
IPC Code(s): D21G9/00, D21H25/04
CPC Code(s): D21G9/0036
Abstract: a method of controlling a sheet manufacturing apparatus is applied to a sheet manufacturing apparatus including a defibrating portion, an accumulating portion that forms web, a second transporting portion that includes a transporting belt to transport the web, and a pressing portion that includes a pair of pressing rollers formed from a first roller and a second roller and forms a strip-shaped sheet by pressing the web. the method includes a first step of transporting the web with the transporting belt, a second step of peeling a tip end of the web off the transporting belt, a third step of bending the tip end of the web by rotating the first roller in a first direction, and a fourth step of folding the tip end of the web by rotating the first roller in a second direction and passing the web between the pair of pressing rollers.
20250110088. Ultrasonic Apparatus_simplified_abstract_(seiko epson corporation)
Inventor(s): Osamu MURAYAMA of Yamagata JP for seiko epson corporation, Yoshio ARAI of Shiojiri JP for seiko epson corporation
IPC Code(s): G01N29/24, G01N29/04, G01N29/32
CPC Code(s): G01N29/2481
Abstract: an ultrasonic apparatus includes an ultrasonic sensor transmitting and receiving ultrasonic waves and outputting an ultrasonic signal corresponding to the received ultrasonic wave, a circuit coupled to the ultrasonic sensor and processes the ultrasonic signal input from the ultrasonic sensor to generate a reception signal, a wireless communicator coupled to the circuit and converting the reception signal into an electromagnetic wave and transmits the electromagnetic wave to an external device, a casing housing the ultrasonic sensor, the circuit, and the wireless communicator, and an electromagnetic shield disposed between the ultrasonic sensor and the wireless communicator in the casing and shielding the electromagnetic wave.
20250110396. LIGHT SOURCE APPARATUS AND PROJECTOR_simplified_abstract_(seiko epson corporation)
Inventor(s): Yuta TOKUNO of AZUMINO-SHI JP for seiko epson corporation, Makoto ZAKOJI of MATSUMOTO-SHI JP for seiko epson corporation, Yuichiro IWAMA of AZUMINO-SHI JP for seiko epson corporation
IPC Code(s): G03B21/20, G03B21/16
CPC Code(s): G03B21/2066
Abstract: a light source apparatus according to the present disclosure includes: a light emitter that emits light; a light guide member having a first surface on which the light emitted from the light emitter is incident, a second surface facing a side opposite from the first surface, a third surface and a fourth surface that intersect with the first surface and the second surface and face opposite sides, and a light exiting portion via which the light exits; a support section having a support surface that constitutes the bottom surface of a holding groove that holds the light guide member and supports the second surface of the light guide member; a first sidewall section facing the third surface of the light guide member and including a first wall surface constituting one inner side surface of the holding groove; and a second sidewall section facing the fourth surface of the light guide member and including a second wall surface constituting the other inner side surface of the holding groove, and at least one of the first sidewall portion and the second sidewall portion is configured with a member different from the support section.
Inventor(s): Akira MORITA of CHINO-SHI JP for seiko epson corporation, Chihiro SHIN of CHINO-SHI JP for seiko epson corporation
IPC Code(s): G05F1/56, G06F7/523, H03F3/45
CPC Code(s): G05F1/56
Abstract: a circuit device includes an amplifier circuit and a voltage output circuit. an output terminal of the amplifier circuit is coupled to an inverted input terminal of the amplifier circuit. the amplifier circuit outputs a driving voltage to a capacitive load. the voltage output circuit outputs, to a non-inverted input terminal of the amplifier circuit, an output voltage corresponding to a d/a conversion voltage of input data. the voltage output circuit raises the output voltage above the d/a conversion voltage when the driving voltage overshoots the d/a conversion voltage due to a change of the input data in a positive direction.
Inventor(s): Takehiko TONE of Matsumoto-shi JP for seiko epson corporation
IPC Code(s): G06F3/038, H04N7/08, H04N9/31
CPC Code(s): G06F3/0383
Abstract: a control method for a display system includes: causing a control device to generate a first display image in which a captured image acquired by a projector and an app image are arranged; causing the projector to display the first display image; causing the control device to perform processing on the first display image, based on operation information representing an operation to the first display image, and thus generate a second display image; and causing the projector to display the second display image.
Inventor(s): Takehiko TONE of Matsumoto-shi JP for seiko epson corporation
IPC Code(s): G06F3/14, H04N9/31
CPC Code(s): G06F3/14
Abstract: a control device transmits output information containing an output image in which a first app image is placed and position information indicating a position of an image to be placed in a third window to a projector, an image supply device transmits image data to the projector, the projector generates a display image by placing an image based on the image data based on the position information in the output image and displays the generated display image on a projection surface.
20250111811. Circuit Device And Display System_simplified_abstract_(seiko epson corporation)
Inventor(s): Naoya TAKIKAWA of Chino JP for seiko epson corporation, Yasutoshi AKIBA of Chino JP for seiko epson corporation
IPC Code(s): G09G3/00, G09G3/20, G09G5/14
CPC Code(s): G09G3/006
Abstract: a circuit device includes an overlay processing circuit and an error detection circuit. the overlay processing circuit performs overlay processing of first input image data on a first area of second input image data and outputs a result of the overlay processing as output image data. the error detection circuit calculates a first error code value corresponding to image data of the first area of the output image data and a second error code value corresponding to image data of a second area not overlapping the first area of the output image data. the error detection circuit performs error detection on the output image data by comparing the first error code value with a first expected value and comparing the second error code value with a second expected value.
20250113015. PROJECTION DISPLAY DEVICE_simplified_abstract_(seiko epson corporation)
Inventor(s): Kohei KOYAMA of Matsumoto-shi JP for seiko epson corporation, Kazuhisa MIZUSAKO of Shiojiri-shi JP for seiko epson corporation
IPC Code(s): H04N9/31, G09G3/00, H04N9/68
CPC Code(s): H04N9/3185
Abstract: a projection display device supplies a data signal based on video pixel data a corresponding to one unit period to a panel pixel in the one unit period among unit periods constituting one frame, supplies a data signal based on video pixel data c corresponding to the one unit period to a panel pixel b adjacent to the panel pixel, corrects a first gradation level and a second gradation level so that a difference between the first gradation level of the video pixel data a and the second gradation level of the video pixel data c is reduced, and adjusts gradation levels of three pieces of video pixel data that are consecutive with respect to the video pixel data a in a direction in which the video pixel data c is located to a value that is the same as the corrected gradation level of the video pixel data c
SEIKO EPSON CORPORATION patent applications on April 3rd, 2025
- SEIKO EPSON CORPORATION
- B08B5/02
- B08B5/04
- CPC B08B5/026
- Seiko epson corporation
- B29C64/393
- B29C64/25
- B33Y30/00
- B33Y50/02
- CPC B29C64/393
- B41J2/045
- CPC B41J2/04541
- B41J2/14
- CPC B41J2/04573
- CPC B41J2/14
- B41J2/175
- B41J2/155
- B41J11/00
- CPC B41J2/14072
- CPC B41J2/17523
- CPC B41J2/17563
- B41J29/393
- CPC B41J2/17566
- B41J11/70
- B41J11/66
- B41J13/02
- B41J13/03
- B41J29/13
- CPC B41J11/706
- CPC B41J29/13
- B41J3/60
- B41J13/08
- B41J29/17
- B65H37/00
- B65H85/00
- B41J3/44
- H04N1/00
- B65H1/04
- CPC B65H1/04
- B81C1/00
- CPC B81C1/0015
- C08J7/04
- B41J3/407
- C08J5/12
- C08J7/052
- C08J7/06
- C09D11/322
- C09D11/38
- CPC C08J7/0427
- D06P5/28
- D06P1/16
- D06P1/52
- D06P1/54
- D06P5/00
- D06P5/30
- CPC D06P5/005
- D21F3/04
- D21F3/08
- CPC D21F3/04
- D21G9/00
- D21H25/04
- CPC D21G9/0036
- G01N29/24
- G01N29/04
- G01N29/32
- CPC G01N29/2481
- G03B21/20
- G03B21/16
- CPC G03B21/2066
- G05F1/56
- G06F7/523
- H03F3/45
- CPC G05F1/56
- G06F3/038
- H04N7/08
- H04N9/31
- CPC G06F3/0383
- G06F3/14
- CPC G06F3/14
- G09G3/00
- G09G3/20
- G09G5/14
- CPC G09G3/006
- H04N9/68
- CPC H04N9/3185