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公开(公告)号：US20220234375A1
公开(公告)日：2022-07-28
申请号：US17648774
申请日：2022-01-24
Applicant: Seiko Epson Corporation
Inventor： Takehito WASHIZAWA
IPC: B41J25/00
Abstract: A liquid ejecting device includes a head configured to eject liquid, a holding unit holding the head, a base unit holding the holding unit, a guide unit movably holding the base unit, the guide unit being configured to guide the base unit, and a detection unit attached to the base unit, the detection unit being configured to detect vibration of the base unit, in which the base unit includes a first surface and a second surface opposite to the first surface, the guide unit is attached to the first surface, and the detection unit is attached to at least one of the first surface and the second surface.
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公开(公告)号：US20170334200A1
公开(公告)日：2017-11-23
申请号：US15601879
申请日：2017-05-22
Applicant: SEIKO EPSON CORPORATION
Inventor： Osamu MURAYAMA , Takehito WASHIZAWA , Yoshiyuki KONISHI
CPC classification number: B41J2/04541 , B41J2/08 , B41J2/145 , B41J2/47 , B41J11/0015 , B41J11/002 , B41J11/42 , B41J29/38
Abstract: In a recording apparatus, the quality of an image is improved.A recording apparatus is provided with a droplet discharging head having a nozzle forming portion and a charging unit. The nozzle forming portion includes nozzles formed therein. The charging unit is configured to impart an electrical charge to the medium. The charging unit imparts, to the medium, an electrical charge having the same polarity as an electrically charged state of the nozzle forming portion after the droplets are discharged.
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公开(公告)号：US20210268816A1
公开(公告)日：2021-09-02
申请号：US17184885
申请日：2021-02-25
Applicant: SEIKO EPSON CORPORATION
Inventor： Takehito WASHIZAWA
Abstract: A printing apparatus includes a carriage supporting a liquid discharging head for discharging liquid onto a medium being transported, and caused to perform scanning along a width direction intersecting with a transport direction of the medium, a supporting member having a first guide rail extending along the width direction, and a support face capable of supporting the medium, a first engaging portion engaged with the first guide rail, and an edge holder having a plate member covering a first end portion of the medium on a first direction side in the width direction. On the first direction side of an end portion on the first direction side in the width direction of the first guide rail, a retraction region is provided in which the edge holder can be disposed in a state in which an engaging state between the first guide rail and the first engaging portion is released.
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公开(公告)号：US20180178554A1
公开(公告)日：2018-06-28
申请号：US15845890
申请日：2017-12-18
Applicant: SEIKO EPSON CORPORATION
Inventor： Takehito WASHIZAWA
IPC: B41J11/00
CPC classification number: B41J11/0015 , B41J11/001 , B41J11/002 , B41J11/005 , B41J11/06
Abstract: A printing apparatus includes a medium supporting portion for supporting a medium, a head for printing on the medium, a medium pressing member that includes a plurality of materials stacked thereon, and a platen heater for heating the medium pressing member. The medium pressing member includes a base portion being attached to the medium supporting portion, and an eaves portion which forms a gap with the medium supporting portion and suppresses floating of the medium from the medium supporting portion. The base portion includes a first material for forming a first surface being attached to the medium supporting portion, and a second material for forming a second surface on an opposite side of the first surface, and a coefficient of thermal expansion of the first material is higher than a coefficient of thermal expansion of the second material.
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公开(公告)号：US20190375216A1
公开(公告)日：2019-12-12
申请号：US16433991
申请日：2019-06-06
Applicant: SEIKO EPSON CORPORATION
Inventor： Satoru SHIOHARA , Takehito WASHIZAWA
Abstract: Provided is a liquid ejecting apparatus including a liquid ejecting unit configured to eject a liquid onto a medium (sheet) being transported in a transport direction, and a medium supporting unit arranged to face the liquid ejecting unit and configured to support the sheet being transported, wherein the medium supporting unit includes, in a width direction intersecting the transport direction, a plurality of first ribs arranged in parallel with the transport direction at an upstream side of a region (print region), where the liquid ejecting unit performs ejection onto the sheet. In addition, the liquid ejecting apparatus further includes a suction mechanism, and the medium supporting unit includes, at the upstream side, a recessed portion sectioned by the first ribs, the recessed portion including a suction hole for causing a suction force by the suction mechanism to be applied onto the sheet.
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Patent Agency Ranking
公开(公告)号：US20190193435A1
公开(公告)日：2019-06-27
申请号：US16230642
申请日：2018-12-21
Applicant: SEIKO EPSON CORPORATION
Inventor： Takehito WASHIZAWA , Hiroki AOKI
IPC: B41J15/04
CPC classification number: B41J15/046 , B41J11/0025
Abstract: A printing apparatus includes a platen including a first guide rail and a second guide rail mutually parallel in a width direction that intersects a transport direction of a medium; an edge holder including a plate-shaped member that covers an end portion of the medium in the width direction, a first engaging portion that engages with the first guide rail, and a second engaging portion that engages with the second guide rail; and a changing portion that is provided on the first engaging portion side and is for changing a position of the plate-shaped member in the width direction. A space in the transport direction formed between the first engaging portion and the first guide rail is narrower than a space in the transport direction formed between the second engaging portion and the second guide rail.
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公开(公告)号：US20180345687A1
公开(公告)日：2018-12-06
申请号：US15997296
申请日：2018-06-04
Applicant: SEIKO EPSON CORPORATION
Inventor： Yoshitsugu TOKAI , Hiroki AOKI , Takehito WASHIZAWA
IPC: B41J11/00
Abstract: A printing apparatus includes a transport unit that transports a medium in a transport direction by rotating while pinching the medium, a support portion that is disposed on a downstream side of the transport unit in the transport direction and that has a support surface that supports the medium transported by the transport unit, a printing unit that is disposed opposite the support portion and that is capable of printing an image and a mark on the medium, and a detection unit that detects the mark printed on the medium by the printing unit when printing on both surfaces of the medium is performed, where the detection unit is disposed on a downstream side of the transport unit in the transport direction.
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公开(公告)号：US20210300072A1
公开(公告)日：2021-09-30
申请号：US17215553
申请日：2021-03-29
Applicant: SEIKO EPSON CORPORATION
Inventor： Takehito WASHIZAWA
Abstract: A printing apparatus includes a conveyance unit configured to convey a medium, a suction unit configured to suction the medium, a control unit configured to control the conveyance unit and the suction unit, and a communication interface configured to communicate with a server apparatus. The control unit performs preliminary conveyance in which the conveyance unit conveys the medium in a state where the suction unit performs suction, measures a load determination value that changes in accordance with a conveyance load of the medium in the preliminary conveyance, acquires a conveyance load coefficient on a basis of the load determination value and a suction force of the suction unit, and transmits, to the server apparatus through the communication interface, the conveyance load coefficient or parameter determination information, together with medium type information about a type of the medium. the parameter determination information includes the load determination value and the suction force.
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公开(公告)号：US20210031510A1
公开(公告)日：2021-02-04
申请号：US16942125
申请日：2020-07-29
Applicant: SEIKO EPSON CORPORATION
Inventor： Katsuya ASAMOTO , Takehito WASHIZAWA , Tsuneyuki SASAKI
Abstract: A liquid ejecting system includes an environmental information acquiring unit that acquires, as environmental information at least one of a temperature and a humidity, an ejecting unit that ejects a liquid onto a medium, a drying unit that dries the medium onto which the liquid is ejected by the ejecting unit, a control unit that controls the ejecting unit and the drying unit, and a storage unit that stores setting information. The control unit acquires drying information corresponding to medium type information and ejection amount information acquired as a liquid ejection condition and the environmental information acquired by the environmental information acquiring unit, based on the setting information stored in the storage unit, and performs drying control that controls the drying unit, based on the acquired drying information.
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公开(公告)号：US20200307186A1
公开(公告)日：2020-10-01
申请号：US16829352
申请日：2020-03-25
Applicant: SEIKO EPSON CORPORATION
Inventor： Katsuya ASAMOTO , Tsuneyuki SASAKI , Takehito WASHIZAWA
Abstract: 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.
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