Patents Assigned to Seiko Epson
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Publication number: 20240142834Abstract: An electro-optical device includes a substrate; a transistor including a semiconductor layer and a gate electrode, the semiconductor layer including a drain region to which a pixel potential is applied and extending in a first direction; a scanning line electrically coupled to the gate electrode; a first insulating layer disposed between the scanning line and the gate electrode; and a light-blocking part with a light-blocking property. The semiconductor layer, the gate electrode, the first insulating layer, and the scanning line are arranged in this order from the substrate. The light-blocking part surrounds the semiconductor layer as viewed in the first direction. The light-blocking part includes a first portion disposed at the first insulating layer. The pixel potential is applied to the light-blocking part.Type: ApplicationFiled: October 29, 2023Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventor: Takafumi EGAMI
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Publication number: 20240144505Abstract: A measurement method including generating first restoration information representing a Euclidean restoration result for a first region of a screen that is a non-planar surface based on a first image that is one of an image input to a first apparatus including a first lens and having known internal parameters relating to the first lens and an image output from the first apparatus, and a second image that is one of an image input to a second apparatus including a second lens and having known internal parameters relating to the second lens and an image output from the second apparatus, generating second restoration information representing a projection restoration result for a second region of the screen based on a third image that is one of an image input to a third apparatus including a third lens and having unknown internal parameters relating to the third lens and an image output from the third apparatus, and the first image, generating a three-dimensional projective transformation matrix for transforming thType: ApplicationFiled: October 27, 2023Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventor: Hiroki SENSHIKI
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Publication number: 20240146885Abstract: A first display panel has a first side orthogonal to a first axis. A projection image adjustment method includes: acquiring, based on calculation data, a normal direction of a projection surface; acquiring, based on the calculation data, a first direction corresponding to the first axis and parallel to a second axis in a first projection image projected onto the projection surface; acquiring a second direction orthogonal to the normal direction and the first direction; adjusting a shape of a second projection image including a portion of a rectangular first display image including a second side orthogonal to the first direction and a third side orthogonal to the second direction such that the first display image is displayed on the projection surface; and projecting the second projection image from a first projector onto the projection surface.Type: ApplicationFiled: October 30, 2023Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Kota TAKEUCHI, Shiki FURUI
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Publication number: 20240140102Abstract: A cartridge includes a first operation surface that receives a first load for moving the cartridge in an inserting direction, a main surface that constitutes a top surface positioned on a side of an upward direction in a direction of gravity in an inserted posture, a second operation surface that constitutes the top surface in an inserted posture and is positioned on a side of a downward direction in the direction of gravity with respect to the main surface and that receives a second load for moving the cartridge in a rotational-attachment direction, in which an angle formed by the second operation surface and the inserting direction is smaller than an angle formed by the first operation surface and the inserting direction.Type: ApplicationFiled: March 9, 2022Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Takumi NAGASHIMA, Yoshihiro KOIZUMI, Shun OYA
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Publication number: 20240146884Abstract: A display method including an adjustment of a combined image includes receiving selection of information representing a size of a projection range when performing tiling projection of a first image projected using a first projector and a second image projected using a second projector, projecting a third image including a pattern representing a width of an overlapping area based on the information representing the size of the projection range using the first projector, and projecting a fourth image including a pattern representing the width of the overlapping area using the second projector.Type: ApplicationFiled: October 27, 2023Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventor: Morio MATSUMOTO
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Publication number: 20240146889Abstract: A projection image adjustment method includes: acquiring a first captured image corresponding to a first device including a first lens by capturing an image of a plane projection surface on which a first pattern image including at least four unit images is projected from a first projection device; acquiring a second captured image corresponding to a second device including a second lens by capturing an image of the projection surface; acquiring, based on the first captured image and the second captured image, a projective transformation matrix indicating transformation from a first coordinate system in a first device to a second coordinate system in a second device; and acquiring a plane parameter of the projection surface by using the projective transformation matrix.Type: ApplicationFiled: October 30, 2023Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Kota TAKEUCHI, Shiki FURUI
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Publication number: 20240142811Abstract: A liquid crystal device includes: a first electrode; a second electrode; a liquid crystal layer; and a measurement circuit configured to supply a potential to the first electrode and the second electrode and measure a first electrode potential, wherein the measurement circuit supplies a potential to the first electrode and the second electrode so that a potential difference between the first electrode and the second electrode becomes a first potential difference during a first period, supplies a potential to the first electrode and the second electrode so that the potential difference becomes a second potential difference having a polarity different from that of the first potential difference during a second period after the first period, and stops supplying the potential to the first electrode and supplies the same potential as during the second period to the second electrode during a third period after the second period.Type: ApplicationFiled: October 29, 2023Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventor: Shinsuke FUJIKAWA
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Publication number: 20240142292Abstract: An information processing device includes an acquisition device that acquires, as a first strength, a strength of a radio signal related to position information received at a position of a first height, and a first determination device that determines that the first height is a water level when an attenuation amount of the first strength with respect to a reference strength exceeds a predetermined value.Type: ApplicationFiled: October 30, 2023Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Hideo SASAHARA, Yoshihiro YAMAMURA, Hidetoshi YAMAMOTO, Yuya OZAWA
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Publication number: 20240142707Abstract: A virtual image display device includes a display panel being a display element configured to emit image light, a light-guiding member including a first total reflection surface and a second total reflection surface, a first diffraction element being provided on a light incidence side in association with the light-guiding member, a second diffraction element being provided on a light emission side in association with the light-guiding member, and a stray light suppression filter being provided on an external side of an image extraction part provided with the second diffraction element and being configured to limit passage of diffracted light from the second diffraction element.Type: ApplicationFiled: October 25, 2023Publication date: May 2, 2024Applicant: SEIKO EPSON CORPORATIONInventors: Katsutoshi INOMOTO, Mitsutaka IDE, Masayuki TAKAGI, Takashi TAJIRI
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Patent number: 11970013Abstract: A recording device includes a main body including a recording unit configured to perform recording on a medium pulled out from a roll body including the medium wound around a core member, and a leg part configured to support the main body from an installation surface on which the main body is installed. The leg part includes contact parts configured to make contact with the installation surface at respective positions different from each other. The contact parts include three reference contact parts located on a same plane and one movable contact part. The movable contact part is coupled with the main body through an elastic member that is elastically deformable in a direction that intersects the plane.Type: GrantFiled: January 6, 2021Date of Patent: April 30, 2024Assignee: Seiko Epson CorporationInventors: Keiichi Yato, Yosuke Nakano, Atsuhiko Takeuchi
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Patent number: 11970001Abstract: A driving waveform determining method with which a waveform of a driving pulse applied to a driving element provided in a liquid ejecting head that ejects a liquid is determined includes: a first step of determining a waveform candidate of the driving pulse; a second step of notifying a user of candidate information of the waveform candidate; a third step of receiving an instruction issued by the user in accordance with the candidate information; and a fourth step of determining the waveform of the driving pulse in accordance with the instruction.Type: GrantFiled: July 27, 2021Date of Patent: April 30, 2024Assignee: Seiko Epson CorporationInventors: Atsushi Toyofuku, Toshiro Murayama, Takahiro Katakura
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Patent number: 11973318Abstract: A light emitting device includes a substrate, and a laminated structure provided to the substrate, and including a columnar part, wherein the columnar part includes a first GaN layer having a first conductivity type, a second GaN layer having a second conductivity type different from the first conductivity type, and a light emitting layer disposed between the first GaN layer and the second GaN layer, the first GaN layer is disposed between the substrate and the light emitting layer, the light emitting layer has a first well layer as an InGaN layer, the first GaN layer has a c-face region, the first GaN layer has a crystal structure of a cubical crystal, and has a first layer constituting the c-face region, and a second layer as a GaN layer having a crystal structure of a hexagonal crystal is disposed between the first layer and the first well layer.Type: GrantFiled: October 12, 2021Date of Patent: April 30, 2024Assignees: SEIKO EPSON CORPORATION, SOPHIA SCHOOL CORPORATIONInventors: Takafumi Noda, Shunsuke Ishizawa, Katsumi Kishino
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Patent number: 11972158Abstract: A cartridge provision system includes a printer that ejects liquid (recording material) supplied from a cartridge onto a print medium; and a server 10 that manages a provision of the cartridge to a user of the printer, wherein the server 10 manages vendor inventory data 22, which is data that associated an inventory of the cartridge held by a sales company who provisions the cartridge to the user with expiration date of the cartridge, and a location data 33, which indicates the location of the user, and determines, when the sales company provisions the cartridge to the user, which expiration date of the cartridge should be provided from the inventory of the cartridge held by the sales company based on the vendor inventory data 22 and the location data 33.Type: GrantFiled: August 17, 2023Date of Patent: April 30, 2024Assignee: Seiko Epson CorporationInventors: Shuji Yonekubo, Shigenori Nakagawa, Yoshihisa Horikawa
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Patent number: 11971429Abstract: A posture estimation method includes calculating a posture change amount of an object based on an output of an angular velocity sensor, predicting posture information of the object by using the posture change amount, limiting a bias error in a manner of limiting a bias error component of an angular velocity around a reference vector in error information, and correcting the predicted posture information of the object based on the error information, the reference vector, and an output of a reference observation sensor.Type: GrantFiled: March 30, 2023Date of Patent: April 30, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Yasushi Nakaoka
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Patent number: 11970016Abstract: A printing apparatus includes a transport unit that transports clothing fabric at which a pattern is formed, an imaging unit that images the clothing fabric transported by the transport unit, a printing unit that performs printing on the clothing fabric transported by the transport unit, and a control unit, the control unit registers first image data representing the pattern in a predetermined storage unit, extracts, based on a comparison between the first image data and second image data, a pattern region corresponding to the pattern in the second image data, the second image data is generated by imaging of the clothing fabric by imaging unit, corrects third image data representing an image to be printed overlaid on the pattern to match the shape of the pattern region, and causes the printing unit to perform the printing of the corrected third image data on the clothing fabric.Type: GrantFiled: November 25, 2020Date of Patent: April 30, 2024Assignee: Seiko Epson CorporationInventor: Naoki Kayahara
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Patent number: 11969900Abstract: A teaching apparatus includes a display unit having a simulation area in which a viewpoint for a virtual robot as a simulation model of a robot is changeably displayed and an operation area in which a plurality of operation signs for moving a control point of the virtual robot by changing a posture of the virtual robot are displayed, and a display control unit that controls actuation of the display unit, wherein the display control unit changes directions of the respective operation signs in the operation area to interlock with a change of the viewpoint for the virtual robot in the simulation area.Type: GrantFiled: November 24, 2020Date of Patent: April 30, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Yuchi Kokubun
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Patent number: 11969905Abstract: A control method for a robot performing a task on a workpiece conveyed by a belt conveyor having a moving belt is provided. The control method includes: causing a first image pickup device to detect an inclination between a first direction serving as a reference for traveling of the belt and a direction in which the belt is traveling, and a first distance that is a distance between the belt and a first reference position in a second direction orthogonal to the first direction at the first reference position; calculating a position of the workpiece as of when the workpiece is moved by the belt conveyor from a first position to a second position away from the first position by a second distance in the first direction, based on the inclination and the first distance detected by the first image pickup unit; and causing the robot to perform a task on the workpiece at the second position that is calculated.Type: GrantFiled: September 23, 2021Date of Patent: April 30, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Masato Yokota
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Publication number: 20240137476Abstract: A projection image adjustment method includes acquiring a captured image produced by capturing an image of a range containing a first and second region in a situation wherein a first projector projects a first image having uniform luminance toward a first region and a second projector projects a second image having uniform luminance toward a second region overlapping part of the first region, identifying based on the captured image the brightness at a third region where the first region and the second region overlap each other, and the brightness at a fourth region that is part of the first region and does not overlap with the second region, adjusting the first image when the fourth region is darker than the third region, and not performing correction that adjusts the first image to increase the highest brightness at the fourth region when the fourth region is brighter than the third region.Type: ApplicationFiled: October 23, 2023Publication date: April 25, 2024Applicant: SEIKO EPSON CORPORATIONInventor: Fumiya HORIKAWA
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Patent number: D1025072Type: GrantFiled: July 25, 2022Date of Patent: April 30, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Yoriko Hama, Kazuaki Takahashi, Ichiro Yoshioka
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Patent number: D1025204Type: GrantFiled: December 23, 2021Date of Patent: April 30, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Satoshi Kaminaga, Hideki Kato, Manabu Kawahara