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    READING APPARATUS AND MULTI FEED DETECTION METHOD
    1.
    发明申请
    READING APPARATUS AND MULTI FEED DETECTION METHOD 有权

    公开(公告)号：US20210037153A1

    公开(公告)日：2021-02-04

    申请号：US16939608

    申请日：2020-07-27

    Applicant: SEIKO EPSON CORPORATION

    Inventor： Wataru BEPPU

    IPC: H04N1/00 ,  H04N1/12

    Abstract: A reading apparatus includes a transport unit that transports a document along a transport path, a multi feed detection unit that detects multi feed for a transport document that is the document being transported by the transport unit, a reading unit that reads the transported document, and a controller that controls the transport unit, wherein the controller acquires a multi feed length that is a length of a range in which multi feed occurs in the transported document according to a detection result of multi feed by the multi feed detection unit, causes the transport unit to stop transport of a document following the transport document by when the multi feed length is equal to or greater than a predetermined threshold value for the multi feed length, and causes the transport unit to perform transport of the following document when the multi feed length is less than the threshold value.

    IMAGE READING APPARATUS AND CONTROL METHOD THEREOF
    2.
    发明申请
    IMAGE READING APPARATUS AND CONTROL METHOD THEREOF 审中-公开

    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

    IPC: H04N1/00 ,  B65H43/08

    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.

    READING APPARATUS AND READING CONTROL METHOD
    3.
    发明申请
    READING APPARATUS AND READING CONTROL METHOD 有权

    公开(公告)号：US20210067651A1

    公开(公告)日：2021-03-04

    申请号：US17005492

    申请日：2020-08-28

    Applicant: Seiko Epson Corporation

    Inventor： Wataru BEPPU

    IPC: H04N1/00 ,  H04N1/21 ,  H04N1/12 ,  H04N1/203

    Abstract: A reading apparatus includes a transport unit, a multi-feed detection unit, a reading unit, and a controller. When a multi-feed of the document is detected by the multi-feed detection unit, the controller multi-feeds causes the transport unit to discharge, downstream of the transport path, a multi-fed document for which the multi-feed is detected and then temporarily stops the transport, stores multi-fed page information indicating a page number of the multi-fed document, restarts the transport after the temporary stop, and after the reading unit reads a remaining document whose page succeeds a page of the multi-fed document, performs a re-reading process including the transporting and the reading of the multi-fed document, respectively, and inserts, based on the multi-fed page information, second read data acquired by the reading in the re-reading process into first read data acquired by the reading completed before the re-reading process.

    IMAGE READING APPARATUS
    5.
    发明申请
    IMAGE READING APPARATUS 有权

    公开(公告)号：US20220086294A1

    公开(公告)日：2022-03-17

    申请号：US17470093

    申请日：2021-09-09

    Applicant: SEIKO EPSON CORPORATION

    Inventor： Noriyuki KOYANAGI ,  Kosuke NOMOTO ,  Akira ANAMI ,  Naoki SAKAMOTO ,  Wataru BEPPU

    IPC: H04N1/00 ,  H04N1/047 ,  H04N1/12

    Abstract: When a transport section transports he a media, a controller of an image reading apparatus determines the lengths of the media in the transport direction, based on detection results of a medium detector. When determining that a length of a medium is equal to or more than a threshold and then determining that a length of a subsequent medium is equal to or more than the threshold, the controller decreases an ejection speed of the subsequent medium to a second speed by the transport section. When determining that a length of a medium is equal to or more than the threshold and then determining that a length of a subsequent medium is less than the threshold, the controller decreases the ejection speed from the first speed to a third speed that is lower than the second speed by the transport section.

    TRANSPORT APPARATUS
    7.
    发明申请
    TRANSPORT APPARATUS 审中-公开

    公开(公告)号：US20190210826A1

    公开(公告)日：2019-07-11

    申请号：US16238563

    申请日：2019-01-03

    Applicant: SEIKO EPSON CORPORATION

    Inventor： Wataru BEPPU

    IPC: B65H7/06 ,  B65H5/06

    CPC classification number: B65H7/06 ,  B65H5/06 ,  H04N1/00029 ,  H04N1/00724 ,  H04N1/00779

    Abstract: In a continuous mode, when a state in which a current value, which is output of a load detecting sensor, is equal to or more than a predetermined threshold (a current value) continues for a predetermined threshold (the number of times), it is determined that transportation is abnormal. In a cumulative mode, when the total number of times by which the current value, which is the output of the load detecting sensor, is equal to or more than the predetermined threshold (the current value) is equal to or more than a predetermined threshold, it is determined that the transportation is abnormal. A controller sets a detection mode of a first medium to the continuous mode, and sets a detection mode of a second medium to the cumulative mode.

    IMAGE READING DEVICE AND IMAGE READING METHOD
    9.
    发明公开
    IMAGE READING DEVICE AND IMAGE READING METHOD 审中-公开

    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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