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公开(公告)号：US20190116284A1
公开(公告)日：2019-04-18
申请号：US16160546
申请日：2018-10-15
Applicant: SEIKO EPSON CORPORATION
Inventor： Kazuya YOSHIKAIE , Kazuhiko ARIMORI
Abstract: An image reading apparatus includes a discharging unit that discharges an original document read by a reading unit to a stacker, in which a controller of the image reading apparatus discharges a first original document at a first transporting speed caused when the original document specified from an original document length measured by the measuring unit is the first original document and discharges a second original document at a second transporting speed slower than the first transporting speed caused when the original document is the second original document longer than the first original document.
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公开(公告)号：US20240214499A1
公开(公告)日：2024-06-27
申请号：US18395809
申请日：2023-12-26
Applicant: SEIKO EPSON CORPORATION
Inventor： Wataru BEPPU , Rei TSUTSUI , Noriyuki KOYANAGI , Kazuhiko ARIMORI , Keiichiro FUKUMASU
IPC: H04N1/00
CPC classification number: H04N1/00774 , H04N1/00604 , H04N1/00734 , H04N2201/0081
Abstract: When a size of a document is not specified, a control unit of an image reading device identifies, for image data generated as a reading result by a reading unit, a region of the document by detecting an edge of the document. When the size of the document is specified, the control unit searches the image data, at a position within a first range including a position away from an origin by a first distance, for a downstream end of the document from a downstream end of the image data toward upstream in a transport direction, and based on a position of the downstream end of the document identified by the searching, identifies as a region of the document a region corresponding to the size of the document specified.
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公开(公告)号：US20240146859A1
公开(公告)日：2024-05-02
申请号：US18494473
申请日：2023-10-25
Applicant: SEIKO EPSON CORPORATION
Inventor： Kazuhiko ARIMORI , Makoto WADA , Masaya YAMASAKI
CPC classification number: H04N1/3876 , H04N1/00411 , H04N1/0044 , H04N1/0473 , H04N1/053 , H04N1/1215 , H04N2201/0081
Abstract: A control unit of an image reading device is configured to execute image correction control after performing a first reading operation of reading a medium while transporting the medium in a first direction, and the image correction control includes a second reading operation of reading the medium while transporting the medium in a second direction opposite to the first direction, and a combination process for combining a first area serving as a part of image data acquired through the first reading operation with a second area serving as a part of image data acquired through the second reading operation to acquire image data of one page.
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4.发明申请公开(公告)号：US20220234855A1
公开(公告)日：2022-07-28
申请号：US17648335
申请日：2022-01-19
Applicant: Seiko Epson Corporation
Inventor： Kazuhiko ARIMORI , Kosuke NOMOTO , Makoto WADA , Masaya YAMASAKI , Hiromichi KITSUKI
Abstract: A medium transport apparatus includes a controller that determines how many transport roller pairs disposed on a medium transport route are transporting a medium, based on detection information from detectors disposed in relation to respective transport roller pairs. Then, the controller sets a threshold to a larger value as a larger number of transport roller pairs are transporting the medium and sets the threshold to a lower value as a smaller number of transport roller pairs are transporting the medium.
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公开(公告)号：US20200382669A1
公开(公告)日：2020-12-03
申请号：US16886216
申请日：2020-05-28
Applicant: SEIKO EPSON CORPORATION
Inventor： Kazuhiko ARIMORI , Masahiko MIZOGUCHI , Tomokazu SHIMIZU , Wataru BEPPU
Abstract: An image reading apparatus includes a reading unit, a transport unit that transport a document, a feeding unit that transports the document to the transport unit, a controller that stops the feeding operation of the feeding unit after the leading end of the preceding document transported from the feeding unit reaches the transport unit and restarts the feeding operation after the rear end of the preceding document passes a predetermined position. The controller, restarts the feeding operation a first time after the rear end of the succeeding document following the preceding document passes the predetermined position when a size of the preceding document indicates a first size, and restarts the feeding operation a second time after the rear end of the succeeding document passes the predetermined position where the second time is longer than the first time when the size indicates a second size larger than the first size.
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Patent Agency Ranking
公开(公告)号：US20200172357A1
公开(公告)日：2020-06-04
申请号：US16696223
申请日：2019-11-26
Applicant: SEIKO EPSON CORPORATION
Inventor： Kazuhiko ARIMORI
Abstract: A medium transport apparatus includes: a medium mounting section configured to mount a medium; a feed roller configured to feed the medium from the medium mounting section; a separation roller configured to nip and separate the medium from the feed roller; a plurality of sensors disposed at positions facing a surface of the medium and configured to detect movement of the medium; and a control unit configured to stop feeding of the medium based on detection values received from the sensors, wherein the plurality of sensors are disposed upstream of a nipping position by the feed roller and the separation roller with a gap in a width direction being a direction intersecting a medium feed direction and detect movement of the medium in the width direction.
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公开(公告)号：US20140292880A1
公开(公告)日：2014-10-02
申请号：US14223201
申请日：2014-03-24
Applicant: SEIKO EPSON CORPORATION
Inventor： Kazuhiko ARIMORI , Takayuki SHIOTA
IPC: B41J29/393 , B41J11/00
CPC classification number: B41J19/202 , B41J2/04503 , B41J2/04518 , B41J11/0055 , B41J19/142 , B41J19/205 , B41J19/207 , B41J25/001 , B41J29/38 , B41J29/393
Abstract: Proper recording is performed whether a device is tilted or not while a cost increase is suppressed. A recording device includes a recording head which performs recording on a medium, a carriage which is moved in a first direction and a second direction opposite to the first direction, a guide which guides the carriage in the first direction and the second direction, a drive motor which drives the carriage, and a controller which executes a reciprocation load detection mode where a driving load on the drive motor due to a tilt of the recording device in a movement of the carriage in the first direction is detected and a driving load on the drive motor due to the tilt of the recording device in a movement of the carriage in the second direction is detected.
Abstract translation: 无论设备是否倾斜，同时成本增加被抑制，都会进行适当的记录。 记录装置包括：在介质上执行记录的记录头，沿第一方向移动的托架和与第一方向相反的第二方向的托架，沿第一方向和第二方向引导托架的驱动器;驱动器 驱动滑架的电动机和执行往复运动负载检测模式的控制器，其中检测到由于记录装置在第一方向上的运动中的倾斜引起的驱动电动机上的驱动负载，并且驱动负载在 检测到由于滑架在第二方向的运动中记录装置的倾斜导致的驱动马达。
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公开(公告)号：US20240155065A1
公开(公告)日：2024-05-09
申请号：US18502328
申请日：2023-11-06
Applicant: SEIKO EPSON CORPORATION
Inventor： Kazuhiko ARIMORI , Makoto WADA , Masaya YAMASAKI
CPC classification number: H04N1/053 , H04N1/00657 , H04N1/3872
Abstract: An image reading device includes a motor 3, a reading section 7 that reads an image on a medium 5, a first transporting roller 9 that transports the medium in a transport direction F by driving force of the motor and that is provided upstream of the reading section in the transport direction, a second transporting roller 11 that transports the medium in the transport direction by driving force of the motor and that is provided downstream of the reading section in the transport direction, and a measuring section 17, using an encoder sensor 15, configured to measure the rotational position of an encoder scale 13, wherein the encoder scale 13 is provided on a rotation shaft 19 of the second transporting roller 11.
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公开(公告)号：US20170366696A1
公开(公告)日：2017-12-21
申请号：US15622670
申请日：2017-06-14
Applicant: SEIKO EPSON CORPORATION
Inventor： Noriyuki KOYANAGI , Tokujiro OKUNO , Kazuhiko ARIMORI
CPC classification number: H04N1/1215 , B65H3/063 , B65H3/0653 , B65H3/0669 , B65H3/34 , B65H3/5284 , B65H5/062 , B65H2402/46 , B65H2403/42 , B65H2403/51 , B65H2405/324 , B65H2801/39 , H04N1/00602 , H04N1/0061 , H04N1/00615
Abstract: A medium feeder includes a feed roller that feeds a medium loaded on a medium loading section; a transport roller disposed downstream relative to the feed roller; a first driving source that drives at least the feed roller; a second driving source that drives at least the transport roller; and a housing that houses the feed roller, the transport roller, the first driving source, and the second driving source, wherein the housing includes a lower unit that constitutes a lower part of the housing, and an upper unit openable relative to the lower unit, and the first driving source and the second driving source are disposed on both sides relative to a center part of the lower unit in a width direction perpendicular to a medium transportation direction.
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公开(公告)号：US20160059601A1
公开(公告)日：2016-03-03
申请号：US14831156
申请日：2015-08-20
Applicant: SEIKO EPSON CORPORATION
Inventor： Kazuhiko ARIMORI , Kosuke NOMOTO , Kazuya YOSHIKAIE , Satoshi NAKATA
IPC: B41J29/393
CPC classification number: B41J29/393 , B41J2/04503 , B41J2/04505 , B41J2/04506 , B41J2/04548 , B41J2/04558 , B41J2/2132 , B41J2/2135 , B41J19/145 , B41J19/205 , B41J29/13 , B41J29/38
Abstract: When a power supply mode is an AC power mode, if a correction value which is read out from a non-volatile memory is a second correction value α2 corresponding to a battery mode, a first correction value α1 is calculated according to an equation α1=α2×K2 using the second correction value α2, and bidirectional printing is performed by controlling an ejection timing of a print head based on the first correction value α1. Meanwhile, when a power supply mode is the battery mode, if the correction value is the first correction value α1 corresponding to the AC power mode, the second correction value α2 is calculated according to an equation α2=α1×K1 using the first correction value α1, and bidirectional printing is performed by controlling the ejection timing of the print head based on the second correction value α2.
Abstract translation: 当电源模式是AC电源模式时，如果从非易失性存储器读出的校正值是对应于电池模式的第二校正值α2，则根据等式α1= 使用第二校正值α2的α2×K2，并且通过基于第一校正值α1控制打印头的喷射定时来执行双向打印。 同时，当电源模式是电池模式时，如果校正值是与AC功率模式对应的第一校正值α1，则使用第一校正值根据等式α2=α1×K1来计算第二校正值α2 α1，并且通过基于第二校正值α2控制打印头的喷射定时来执行双向打印。
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