Patents Assigned to Seiko Epson Corporation
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Publication number: 20220035157Abstract: Provided is a virtual image display device including an imaging light emitting device, a light-guiding member configured to guide imaging light emitted from the imaging light emitting device, and an emission-side diffraction element provided at a light-emitting portion of the light-guiding member and configured to emit the imaging light by diffraction. In the emission-side diffraction element, a light amount difference between a first component light and a second component light of the imaging light, the first component light being emitted as a central image at a first angle ? of 0° and the second component light being emitted as a peripheral image at a second angle ? of ±? (?>0°), is equal to or less than 20%.Type: ApplicationFiled: July 30, 2021Publication date: February 3, 2022Applicant: SEIKO EPSON CORPORATIONInventor: Osamu YOKOYAMA
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Publication number: 20220038669Abstract: A processing device generates a marker image to use as a reference for correcting a shape of a projection image projected on a projection surface from a projector, takes a taken image of the projection surface using the imaging device from an imaging position different from an observation position from which the projection surface is observed, generates a parameter for reducing a distortion of the projection image based on the marker image included in the taken image, displays an area image representing a range wherein projection can be performed on the projection surface on the display device, disposes a video content at an indicating position in the area image with an input to the input device, generates an original image including the video content, and corrects the original image thereby generating an input image for input to a projector configured to project the projection image.Type: ApplicationFiled: July 27, 2021Publication date: February 3, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Kentaro IDE, Toshiki FUJIMORI, Makoto SHIGEMITSU, Takahiro OTSU
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Publication number: 20220032638Abstract: An ink refill container includes a container main body including an ink storage chamber, an ink outlet-forming portion provided on an end portion of the container main body forming an ink outlet that allows the ink to flow out from the ink storage chamber, and a valve provided in the ink outlet-forming portion configured to openably seal the ink outlet, in which the ink outlet-forming portion includes a positioning portion on an outer side of the ink outlet-forming portion. in which the positioning portion is closer to the container main body than the valve is to the container main body in a central axis direction of the ink outlet, and in which the positioning portion partially abuts against an ink tank when the valve is opened for refilling the ink to the ink tank, to thereby position the valve relative to the ink tank.Type: ApplicationFiled: October 19, 2021Publication date: February 3, 2022Applicant: SEIKO EPSON CORPORATIONInventors: Tadahiro MIZUTANI, Ryoichi TANAKA, Manabu AKAHANE, Makoto KOBAYASHI, Naomi KIMURA, Hideki OKUMURA, Shoma KUDO, Tetsuya TAKAMOTO, Hiroaki SAKAI
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Patent number: 11235594Abstract: An intermediate unit includes a transportation path along which a medium, on which printing has been performed by a printing unit that performs printing on the medium by using liquid, is transported to a post processing unit that performs post processing on the medium. The transportation path is provided with a drying unit that accelerates the drying of the medium. The drying unit is driven according to the printing data.Type: GrantFiled: August 20, 2020Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventors: Yutaro Harada, Kohei Ueno, Akinori Muromachi, Hidetoshi Kodama, Kazuyoshi Ohashi, Tsuyoshi Furumido, Hirohisa Adachi
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Patent number: 11240741Abstract: A method for controlling a display device includes: transmitting, in a first status where the display device is not connected to an access point, first status information representing the first status; receiving an instruction to operate as an access point from an electronic device in a status where the first status information is received by the electronic device and where the electronic device is not connected to an access point; operating as a first access point in response to the receiving of the instruction; and transmitting first connection information for connecting to the first access point, to the electronic device, when operating as the first access point.Type: GrantFiled: December 13, 2019Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventor: Makoto Shigemitsu
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Patent number: 11235604Abstract: With a cover in a closed position, a first internal gear and a first spur gear do not mesh with each other, and a second internal gear and a second spur gear do not mesh with each other. When the cover rotates by a predetermined angle around a first support shaft from the closed position, the first internal gear and the first spur gear start to mesh with each other. When the cover rotates by a predetermined angle around a second support shaft from the closed position, the second internal gear and the second spur gear start to mesh with each other.Type: GrantFiled: February 28, 2020Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventors: Kenichi Hirabayashi, Hironori Maekawa
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Patent number: 11238828Abstract: A method of controlling a display device according to the present disclosure includes the steps of executing input determination on whether or not the image information is input to the input interface, making the display section display an input state image including one of an input image representing that the image information is input and a non-input image representing that the image information is not input in accordance with a result of the input determination, making the display section display a display image based on the image information when receiving an operation of designating the input image, and making the display section display a procedure image representing a procedure of inputting the image information to the input interface when receiving an operation of designating the non-input image.Type: GrantFiled: June 9, 2020Date of Patent: February 1, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Takaaki Ozawa, Yasuhiro Nakamura
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Patent number: 11235584Abstract: A printing apparatus includes a liquid accommodation body into which liquid contained in a liquid container is configured to be poured, a printing section that performs printing by discharge of liquid supplied from the liquid accommodation body, a counting section that performs counting relating to an amount of consumption of liquid with which a liquid container was contained and counting relating to an amount of consumption of liquid per predetermined period of time, and a delivery request section that, based on a counting result yielded by the counting section, sends the server apparatus a delivery request for a liquid container by a time that is earlier by a delivery period of a liquid container than an estimated timing of completion of consumption of liquid with which a liquid container was contained.Type: GrantFiled: August 13, 2020Date of Patent: February 1, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Yasuaki Hirai, Ryo Oguchi, Shunichi Hizawa, Shuichi Koganehira
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Patent number: 11237471Abstract: A light source device according to the present disclosure includes a light source section, a first light separation element for transmitting a part of first light entering the first light separation element irrespective of a polarization component, and reflecting another part of the first light irrespective of a polarization component, a second light separation element for reflecting a part of the first light entering the second light separation element, a diffusion element for diffusing and emitting another part of the first light entering the diffusion element, and a wavelength conversion element for performing wavelength conversion on a part of the first light entering the wavelength conversion element to emit second light, wherein the second light separation element transmits a first polarization component with respect to the second light, and reflects a second polarization component.Type: GrantFiled: December 21, 2020Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventor: Wataru Yasumatsu
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Patent number: 11240383Abstract: An image reading apparatus acquires first image data of a background portion stored in advance and read by a reading unit, acquires second image data by reading the background portion, generates third image data by increasing resolution of the first image data and fourth image data by increasing resolution of the second image data, detects an amount of shift of an image sensor relative to a lens array in a predetermined direction by shifting a specific pixel range of the fourth image data relative to the third image data and comparing the specific pixel range with the third image data, and compares fifth image data obtained by shifting the fourth image data in accordance with the shift amount with the third image data, so as to determine whether each of pixels included in the fifth image data is a defective pixel having an abnormal value.Type: GrantFiled: February 16, 2021Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventor: Soichi Otomaru
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Patent number: 11237398Abstract: A head-mounted display apparatus includes a cross dichroic prism including four triangular prisms that are mutually bonded, and a first dichroic film and a second dichroic film provided between adjacent prisms of the four triangular prisms, a plurality of display panels arranged respectively opposite to a plurality of light incident planes of the cross dichroic prism, and a projection optical system configured to project light emitted from the cross dichroic prism onto a pupil of a user. The cross dichroic prism includes an optically imperfect part at a center of a bonded part of the four triangular prisms. A ratio between an aerial conversion length from each of light-emission planes of the plurality of display panels to the center of the bonded part, and a width of the optically imperfect part, is greater than or equal to 250:1.Type: GrantFiled: March 17, 2021Date of Patent: February 1, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Masatoshi Yonekubo, Akio Fukase
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Patent number: 11235469Abstract: A robot controller is a robot controller that couples a three-dimensional measuring device configured to perform three-dimensional measurement of an object using a laser beam and a human detection sensor configured to detect a person based on an image obtained by imaging a detection range including the object, the robot controller including a human detection signal receiver configured to receive, from the human detection sensor, a signal indicating that the person is present within the detection range and a robot arm controller configured to control a robot arm based on the signal. When the human detection signal receiver receives, from the human detection sensor, the signal indicating that the person is present within the detection range, the robot arm controller controls the robot arm to set an emitting direction of the laser beam to a direction different from a direction of the person.Type: GrantFiled: June 25, 2019Date of Patent: February 1, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Hirosada Horiguchi, Shuichi Wakabayashi, Makiko Hino, Kei Kamakura
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Patent number: 11235571Abstract: A liquid discharge apparatus is provided that includes a discharge unit configured to discharge a liquid onto a medium, a support portion configured to support a portion of the medium, the liquid being discharged from the discharge unit onto the portion of the medium, a housing including therein the discharge unit, a humidity detection unit configured to detect a humidity, and a display control unit configured to display an indication prompting adjustment of a temperature or humidity when the humidity detection unit detects a humidity less than a lower limit value, and configured to display an indication prompting adjustment of a temperature or humidity when the humidity detection unit detects a humidity exceeding an upper limit value greater than the lower limit value.Type: GrantFiled: March 25, 2020Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventors: Katsuya Asamoto, Tsuneyuki Sasaki, Takehito Washizawa
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Patent number: 11239676Abstract: A mobile device includes a drive element, a first battery which outputs power, and a supplying unit which supplies the power output by the first battery or power output by a second battery to the drive element, in which the supplying unit prioritizes supplying of the power output by the second battery to the drive element over the power output by the first battery.Type: GrantFiled: September 19, 2019Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventor: Ryohei Horita
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Patent number: 11237469Abstract: The wavelength conversion element includes a phosphor layer having a plurality of phosphor particles and a binder configured to bind one of the phosphor particles adjacent to each other and another of the phosphor particles adjacent to each other out of the plurality of phosphor particles, an antireflection layer disposed on an incident side of the excitation light with respect to the phosphor layer, and a substrate provided with the phosphor layer, wherein the binder includes glass, and the binder binds a part of a surface of the one of the phosphor particles and a part of a surface of the another of the phosphor particles to each other.Type: GrantFiled: March 17, 2020Date of Patent: February 1, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Toshiaki Hashizume
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Patent number: 11238320Abstract: In a printing chip overlapping area being an area in which a first printing chip and a second printing chip overlap with each other when viewed from a second direction, ink is discharged so that a first overlapping area and a second overlapping area at least partially do not overlap with each other when viewed from the second direction. In the first overlapping area, a nozzle usage ratio of a first nozzle row and a nozzle usage ratio of a third nozzle row are neither 0% nor 100%. In the second overlapping area, a nozzle usage ratio of a second nozzle row and a nozzle usage ratio of a fourth nozzle row are neither 0% nor 100%.Type: GrantFiled: July 2, 2020Date of Patent: February 1, 2022Assignee: SEIKO EPSON CORPORATIONInventor: Takashi Doi
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Patent number: 11235575Abstract: A flow path structure includes: a substrate that includes a first surface and a second surface on a side opposite to the first surface; a supply port formed on the first surface; a plurality of discharge ports formed on the second surface; grooves that are formed on the first surface so as to extend in an X direction and communicate with the supply ports and with the plurality of discharge ports via through-holes formed on the substrate; and a sealing portion that is disposed on the first surface and seals each groove.Type: GrantFiled: June 3, 2020Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventors: Isamu Togashi, Hiroaki Okui, Yasuyuki Kudo, Fujio Akahane
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Patent number: 11236245Abstract: A pigment textile printing ink jet ink composition contains a pigment, a resin particle, a nonionic fluorine-based surfactant, and water.Type: GrantFiled: February 8, 2019Date of Patent: February 1, 2022Assignee: SEIKO EPSON CORPORATIONInventors: Kosuke Chidate, Masakazu Ohashi, Toshiyuki Miyabayashi
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Patent number: 11237787Abstract: In a first print system controlling a first print apparatus and a second print apparatus by a client PC, the client PC generates, when obtaining a distributed printing request of a print job being printed by the first print apparatus from the second print apparatus based on a user operation performed on the second print apparatus, a first distributed printing job for causing the first print apparatus to print a first portion of an unprinted portion of a print job and a second distributed printing job for causing the second print apparatus to print a second portion of the unprinted portion.Type: GrantFiled: May 18, 2020Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventor: Yohei Kondo
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Patent number: 11240387Abstract: A terminal that can communicate with a multifunctional machine includes a touch panel and a terminal control unit that, by execution of a control application, causes the touch panel to display icons including a multifunctional machine icon such that the icons are arranged in a line and, when an icon selected by a selection operation is the multifunctional machine icon, calls a control function of a multifunctional machine application which corresponds to the multifunctional machine icon, and the terminal control unit causes the touch panel to display the icons such that a part of one icon of the icons is superimposed on the other icon adjacent to the one icon.Type: GrantFiled: July 1, 2020Date of Patent: February 1, 2022Assignee: Seiko Epson CorporationInventors: Kenichi Karaki, Daiki Kojima
