Patents Assigned to Seiko Epson Corporation
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Patent number: 11933984Abstract: An image light generation device generating image light, a semi-transmissive tilted mirror reflecting the image light from the image light generation device, and a concave semi-transmissive mirror reflecting, toward the semi-transmissive tilted mirror, the image light reflected by the semi-transmissive tilted mirror to form an exit pupil are provided, and the concave semi-transmissive mirror includes a partial reflective film having different reflectance according to wavelength, the semi-transmissive tilted mirror reflects the image light toward the partial reflective film.Type: GrantFiled: July 29, 2021Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Daiki Matsumoto
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Patent number: 11934616Abstract: A method for controlling an image display system includes detecting a position to which a pointing element is pointing on a fourth image, identifying first coordinates in a coordinate system of the fourth image, the first coordinates represent the position in the fourth image, acquiring first information representing resolution of a second image and second information representing a position of a third image relative to the second image on an image supplier, converting the first coordinates into second coordinates in a coordinate system of a first image, which represent a position in the first image, based on the first information and the second information, and transmitting the second coordinates to the image supplier and carrying out a process based on the second coordinates when the image supplier receives the second coordinates from a display apparatus.Type: GrantFiled: December 22, 2021Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Hiroya Shimohata
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Patent number: 11932017Abstract: A liquid discharge head includes a diaphragm, a first electrode, a piezoelectric body, and a second electrode which are stacked in this order in a first direction, in which when a region of the piezoelectric body interposed between the first electrode and the second electrode is set as a first region, a region of the piezoelectric body other than the first region is set as a second region, a portion of the diaphragm that overlaps a boundary between the first region and the second region when viewed in the first direction is set as a first portion, and a portion of the diaphragm that is different from the first portion and overlaps the first region when viewed in the first direction is set as a second portion, a thickness of the first portion is smaller than a thickness of the second portion.Type: GrantFiled: October 25, 2021Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventor: Motoki Takabe
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Patent number: 11932019Abstract: A wiping module includes a wiping portion and a cleaning portion. The wiping portion includes a wiping member wiping a liquid discharge head that discharges a liquid from a nozzle provided on a nozzle surface, a storage support portion supporting the wiping member and configured to store the liquid by the wiping, and a movement support portion mounting the storage support portion and configured to reciprocate along a wiping direction, which is a direction in which the wiping is performed. The cleaning portion cleans the wiping member. The cleaning portion includes a cleaning member and a guide portion guiding the cleaning member. The cleaning member is configured to follow a movement of the wiping portion in the wiping direction and to scrape off the liquid adhering to the wiping member while being guided by the guide portion.Type: GrantFiled: March 7, 2022Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventors: Seiya Sato, Eiji Miyashita, Masaki Shimomura
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Patent number: 11931903Abstract: A controller for controlling a plurality of robots includes a failure prediction section configured to predict a failure time for each of the robots; and a load adjustment section configured to perform adjustment of a work load of each of the robots according to each of the predicted failure times, so that each of the robots operates until a maintenance time determined in common to each of the robots.Type: GrantFiled: August 21, 2019Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventor: Kana Kanazawa
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Patent number: 11932016Abstract: A liquid ejecting apparatus includes a liquid ejecting head and a cap configured to contact on an annular contacting region provided in a fixing plate. The liquid ejecting head includes head chips, each including a nozzle plate, and the fixing plate provided with opening portions for exposing the respective nozzle plates. A first hole and a second hole different from the opening portions are provided in the fixing plate. The fixing plate includes a first surface provided with the contacting region and a second surface to which the head chips are fixed. The opening portions are disposed inside the contacting region in a plan view when viewed in a direction perpendicular to the first surface. Each of the first hole and the second hole is disposed inside the contacting region in the plan view and is blocked by a filler.Type: GrantFiled: August 31, 2021Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventor: Ryo Inoue
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Patent number: 11932033Abstract: A printing apparatus includes a printing section that performs printing on a medium containing calcium carbonate, a transport section that rotationally drives a transport belt that forms at least a portion of a transport path in which the medium is transported, a voltage supply section that supplies a charging voltage to a charging roller for charging the transport belt, a detection section that detects whether or not charging abnormality has occurred in the transport belt, and a determination section that determines whether abnormality has occurred in the voltage supply section or the transport belt, or abnormality has occurred in the voltage supply section and the transport belt, based on a rotation amount of the transport belt and the detection result of the detection section. The transport belt is coated with melamine resin.Type: GrantFiled: March 23, 2022Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventors: Yusuke Matsumoto, Toru Matsuyama
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Patent number: 11932035Abstract: There is provided a three-dimensional object printing apparatus including an imaging device fixed to a base and imaging an object located inside an imaging range, a first robot supporting a head having a nozzle for discharging a liquid and changing a position and a posture of the head, and a second robot supporting a three-dimensional workpiece and changes a position and a posture of the workpiece. The three-dimensional object printing apparatus performs a material feeding step of causing the second robot to move the workpiece from an outside to an inside of the imaging range, and a printing step of causing the head to discharge the liquid to the workpiece while at least one of the first robot and the second robot relatively moves the head and the workpiece inside the imaging range.Type: GrantFiled: February 21, 2022Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Tomonaga Hasegawa, Yuichiro Matsuura, Masaru Kumagai, Shinichi Nakamura, Yuki Ishii
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Patent number: 11934725Abstract: A control device includes a memory configured to store variable data including a plurality of page images each including a variable region where an image is variable for each page and a non-variable region including the same image irrespective of the page and a display processing section configured to cause a display device to display a printing preview screen for the variable data. The display processing section causes the display device to display the printing preview screen that displays one or a plurality of row images in which the plurality of page images are arranged in a row in a first direction corresponding to the width direction of a printing medium.Type: GrantFiled: August 23, 2022Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Jin Hasegawa, Koki Nomura
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Patent number: 11931933Abstract: An injection molding system includes a first unit in which an injection molding machine is disposed and an option unit. The injection molding machine is configured to be attachable with a stationary die and a movable die that moves with respect to the stationary die. The option unit includes at least one of a second unit in which a robot that moves a molded article molded by the injection molding machine is disposed and a third unit in which at least one of a material dryer that dries a material supplied to the injection molding machine and a material supply section that supplies the material to the injection molding machine is disposed. The first unit is configured to be detachably attachable with the option unit.Type: GrantFiled: August 16, 2021Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventors: Hidenobu Maruyama, Kazunobu Maruyama, Masato Sugano
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Patent number: 11932006Abstract: A recording device includes: a transport unit configured to transport a medium along a transport path, a recording unit configured to perform recording on the medium transported, a wrinkle forming mechanism configured to form wrinkles on a portion of the medium on the transport path before recording is performed, a detection unit configured to detect a state of the wrinkles, and a control unit, wherein the control unit is configured to calculate a rigidity characteristic of the medium based on detection data of the detection unit.Type: GrantFiled: October 18, 2021Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventors: Hiroki Aoki, Tsuneyuki Sasaki
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Patent number: 11931959Abstract: A three-dimensional shaping device includes: a stage whose shaping surface has a first groove and a second groove extending in a first direction; a discharge unit configured to supply a shaping material to the shaping surface; a movement mechanism configured to relatively move the stage and the discharge unit; and a control unit configured to control the discharge unit and the movement mechanism.Type: GrantFiled: August 31, 2022Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Akihiko Tsunoya, Koji Fujimori
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Patent number: 11932015Abstract: A print head includes a generation portion that amplifies an input signal to generate a drive signal, an ejection portion that includes a first driving element driven by a drive signal, and ejects a liquid in response to the drive of the first driving element, a supply portion that includes a first switch for switching between supply and non-supply of the drive signal to the first driving element, and a sound emitting portion that includes a second driving element driven by the drive signal, and a second switch for switching between supply and non-supply of the drive signal to the second driving element, and emits sound in response to the drive of the second driving element, in which the first switch and the second switch are turned on exclusively.Type: GrantFiled: November 2, 2021Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventors: Shuichi Nakano, Masahiro Toki, Tatsuya Sato, Shunsuke Kasai
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Patent number: 11932009Abstract: A printing apparatus includes a printing section that performs printing on a medium containing calcium carbonate, a transport section that rotationally drives a transport belt that forms at least a portion of a transport path in which the medium is transported, a voltage supply section that supplies a charging voltage to a charging roller for charging the transport belt, a detection section that detects whether or not charging abnormality has occurred in the transport belt, a determination section that determines whether a cause of the charging abnormality is abnormality of the voltage supply section or abnormality of the transport belt, and a machine learning section that performs machine learning of a determination condition in the determination section, based on a learning model in which a rotation amount of the transport belt and a detection result of the detection section are associated with each other.Type: GrantFiled: March 23, 2022Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventors: Yusuke Matsumoto, Toru Matsuyama
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Patent number: 11932005Abstract: A transportation device includes a cover member that is displaceable between a closing position for closing an opening of a body case and an opening position for opening the opening, a processing unit that is arranged inside the body case, and performs a specified processing with respect to a medium transported to a working area communicating with the outside of the body case through the opening when the cover member is positioned at the opening position, and a transmitted unit that is positioned at a first position different from a position between the working area and the processing unit when the cover member is positioned at the closing position, and is positioned at a second position which is the position between the working area and the processing unit when the cover member is positioned at the opening position.Type: GrantFiled: August 15, 2022Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventor: Eiji Kumai
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Patent number: 11930896Abstract: A band includes first and second pin member including first and second pin, an operation member that moves between first and second positions, a housing including a coupling part and an engaging part, and a guide part that guides and moves the first and second pin members between an engagement position and a release position. The first and second pin members move to the engagement position when the operation member is moved to the first position, whereas move to the release position when the operation member is moved to the second position. The engagement/release position is a position where each pin is located outside/outside the side surface of the housing in the width direction, and the engagement/release position is closer to the coupling/engaging part than the release/engagement position in the longitudinal direction.Type: GrantFiled: August 30, 2022Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Takahiro Aoki
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Patent number: 11931889Abstract: A robot system includes one or more combinations of a driving section configured to receive supply of electric power and generate a rotation output of an output shaft and receive supply of a rotating force to the output shaft and generate electric power, a movable section moved by the rotation output, a detecting section configured to detect an angular position of the output shaft, resistor equipment coupled to the driving section, and a switch that can turn on and off coupling of the resistor equipment and the driving section and a control section configured to control the robot system.Type: GrantFiled: December 23, 2021Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Yuki Kiyosawa
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Patent number: 11931905Abstract: A failure prediction method of predicting a failure of a component of a robot including a robot arm having the component and a detection section that detects information on vibration characteristics when the robot arm moves, includes generating a failure prediction model for prediction of the failure of the component by machine learning based on the information on vibration characteristics, and predicting the failure of the component based on an estimated value of failure prediction output by the generated failure prediction model when the information on vibration characteristics is input to the generated failure prediction model.Type: GrantFiled: March 30, 2021Date of Patent: March 19, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Toshinori Hiraide, Yimei Ding
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Patent number: 11932039Abstract: A pretreatment device includes: a medium support portion configured to support a medium that is transported; a pretreatment-agent ejecting portion configured to eject a pretreatment agent; an absorbing-member support portion configured to support an absorbing member between the medium and the pretreatment-agent ejecting portion in a direction in which the pretreatment agent is ejected, the absorbing member being configured to absorb the pretreatment agent ejected from the pretreatment-agent ejecting portion; and a pressing unit configured to press, toward the medium, the absorbing member to which the pretreatment agent is ejected from the pretreatment-agent ejecting portion.Type: GrantFiled: February 22, 2022Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventors: Masato Murayama, Kazuto Aoki
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Patent number: 11932020Abstract: A liquid container includes: a case having a liquid introduction port through which liquid is introduced and a storage portion that stores the liquid; and an absorber stored in the case and configured to absorb the liquid. The absorber includes multiple absorbent resins that swell by absorbing the liquid and a substrate that supports the absorbent resins and allows the liquid to permeate therethrough. With the absorbent resins swelling by absorbing the ink, at least some of the absorbent resins are spaced apart from the adjacent absorbent resins.Type: GrantFiled: December 7, 2020Date of Patent: March 19, 2024Assignee: Seiko Epson CorporationInventors: Keiichi Kumagai, Shogo Nakada