Patents Assigned to Epson Corporation
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Patent number: 11942736Abstract: There are provided a substrate; a main body case; and a first locking member and a second locking member for fixing the substrate and the main body case, the substrate includes a first receptacle connector configured to be coupled to a first plug of a first cable, a second receptacle connector configured to be coupled to a second plug of a second cable, a first coil that supplies electric power to the first receptacle connector, and a second coil that supplies electric power to the second receptacle connector, a distance from the first locking member to the first coil is shorter than a distance from the first locking member to the first receptacle connector, and a distance from the second locking member to the second coil is shorter than a distance from the second locking member to the second receptacle connector.Type: GrantFiled: August 30, 2022Date of Patent: March 26, 2024Assignee: Seiko Epson CorporationInventor: Takeshi Harada
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Patent number: 11940761Abstract: A manufacturing method includes a first repeating step of irradiating a base material with a pulse laser, having a spot diameter S, while relatively moving a laser head and the base material in a first direction, moving the laser head by a predetermined pitch width P in a second direction that intersects the first direction, and repeating irradiation by the pulse laser along the first direction and movement of the laser head in the second direction, and a second repeating step of irradiating the base material with the pulse laser while relatively moving the laser head and the base material in the second direction, moving the laser head by the pitch width in the first direction, and repeating irradiation by the pulse laser along the second direction and movement of the laser head in the first direction, wherein S<P<100 ?m.Type: GrantFiled: August 23, 2021Date of Patent: March 26, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Wataru Uehara, Yuki Takishita, Ai Yoshinaga, Atsuhiko Sugita
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Patent number: 11940664Abstract: A lens unit includes a jointed lens having a first optical member, a second optical member disposed on an optical axis of the first optical member, and a jointing member having a light transmissive property and disposed between the first optical member and the second optical member, and a holding mechanism configured to hold the first and second optical members. The holding mechanism holds the first and second optical members so that a distance along an optical axis direction between a first lateral surface at an opposite side to a second optical member side in the first optical member and a second lateral surface at an opposite side to a first optical member side in the second optical member becomes a preset distance. The jointing member adheres to the first optical member and the second optical member so that the distance becomes the preset distance.Type: GrantFiled: December 18, 2020Date of Patent: March 26, 2024Assignee: SEIKO EPSON CORPORATIONInventor: Hirotaka Yanagisawa
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Patent number: 11938728Abstract: A liquid ejecting head includes: head chips including a first-head-chip and a second-head-chip; a holder holding the head chips; and a heater along a direction parallel to a nozzle surface. The first-head-chip and the second-head-chip are disposed to be offset from each other in both a first-direction and a second-direction parallel to the nozzle surface and intersecting with each other. When a first-side is one of the four sides of a virtual rectangle circumscribing the aggregate of the head chips and a second-side and a third-side are coupled to both ends of the first-side, the first-head-chip is in contact with the first-side and the third-side and the second-head chip is in contact with the second-side. The heater overlaps the head chips. A first-region surrounded by the first-side, the second-side, the first-head-chip, and the second-head-chip includes a first-outside-part positioned outside the outer edge of the heater.Type: GrantFiled: March 23, 2022Date of Patent: March 26, 2024Assignee: SEIKO EPSON CORPORATIONInventors: Takahiro Kanegae, Katsuhiro Okubo, Kentaro Murakami, Shingo Tomimatsu, Hiroki Kobayashi, Haruhisa Uezawa
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Patent number: 11943405Abstract: An image reading apparatus includes a feed roller configured to feed a document, a transport roller disposed downstream of the feed roller and configured to transport the document downstream; a transport motor being a drive source of the transport roller; a reading unit disposed downstream of the transport roller and configured to read the document; and a control unit configured to control the reading unit and the transport motor, wherein the control unit is configured to obtain information on a document type and an inclination detection reference value for an inclination of image data set in accordance with the document type and obtained from the reading unit, and when the inclination of the image data exceeds the inclination detection reference value in accordance with the document type, the control unit stops the transport motor.Type: GrantFiled: May 3, 2023Date of Patent: March 26, 2024Assignee: Seiko Epson CorporationInventor: Hiromichi Kitsuki
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Patent number: 11938730Abstract: Provided is a piezoelectric element in which a first electrode, a seed layer, a piezoelectric layer, and a second electrode are laminated on a substrate, in which the seed layer is a composite oxide containing at least Pb, Bi, Fe, and Ti.Type: GrantFiled: September 27, 2021Date of Patent: March 26, 2024Assignee: Seiko Epson CorporationInventor: Kazuya Kitada
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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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: RE49885Abstract: The wire grid type polarization device includes a substrate, and a metal layer formed on one face of the substrate in a substantially stripe shape in a plan view, a first dielectric layer provided on two side faces opposite to each other among a plurality of side faces of the metal layer and in a top part of the metal layer, and a second dielectric layer provided on the first dielectric layer. A substrate side end portion of the second dielectric layer is located between the one surface of the substrate and the top part of the first metal layer. The wire grid type polarization device includes a substrate and a plurality of metal layers that includes a first metal layer having a first side face, a second side face opposed to the first side face, and a top part. First and second dielectric layers are provided in the first side face, the second side face, and the top part of the first metal layer. The first dielectric layer is provided between the first metal layer and the second dielectric layer.Type: GrantFiled: October 5, 2021Date of Patent: March 26, 2024Assignee: Seiko Epson CorporationInventor: Yoshitomo Kumai