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公开(公告)号：US10009495B2
公开(公告)日：2018-06-26
申请号：US15406106
申请日：2017-01-13
发明人： Katsuji Ichimaru , Takashi Naito , Hiroshi Kusuda
IPC分类号： H04N1/00
CPC分类号： H04N1/00793 , H04N1/00625 , H04N1/00628 , H04N2201/0081
摘要： There is provided an image reading apparatus that, when double feeding of documents is detected by a double feeding detector, transports the documents in the reverse direction of the transport direction at least until the leading edges of the double-fed documents are positioned at the upstream side of transport roller pairs by rotating a separation roller and a retard roller so as to transport the documents in the reverse direction, and that thereafter transports the documents in the transport direction by rotating the separation roller so as to transport the documents in the transport direction. When the documents are transported in the reverse direction, the image reading apparatus sets a second rotation speed of the retard roller to be faster than a first rotation speed of the separation roller.
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公开(公告)号：US10179714B2
公开(公告)日：2019-01-15
申请号：US15416381
申请日：2017-01-26
发明人： Terumi Tsuda , Takefusa Ogata , Hiroshi Kusuda
摘要： A retarding roller (a roller) is formed of a synthetic rubber (an industrial rubber material) such as ethylene propylene diene M-class rubber (EPDM) or polyurethane, or alternatively, silicone. The roller core of the retarding roller is cylindrical. M arc-shaped long holes (where M is an integer greater than or equal to 4) are formed in each of N layers (where N is an integer greater than or equal to 2) from a first layer (an outermost layer) to an Nth layer (an innermost layer) which are circular and concentric to a center axial line. In each layer, long holes are formed such that spokes in adjacent layers (an ith layer and an i+1th layer, where i is an integer from 1 to N−1) do not overlap in the circumferential direction.
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公开(公告)号：US10079948B2
公开(公告)日：2018-09-18
申请号：US15486404
申请日：2017-04-13
发明人： Takashi Naito , Hiroshi Kusuda , Takefusa Ogata , Katsuji Ichimaru , Kenji Fukuta , Terumi Tsuda
CPC分类号： H04N1/00718 , H04N1/00588 , H04N1/00602 , H04N1/00737 , H04N1/00748 , H04N1/00774 , H04N2201/0081
摘要： According to detection results of a plurality of original document detectors, an image reading apparatus determines whether or not correcting skew of an original document is possible, controls a pair of a plurality of transport rollers in a case where it is determined that correcting the skew of the original document is possible, and corrects the skew of the original document by making transporting speeds of the pair of the plurality of transport rollers different from each other.
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4.发明申请公开(公告)号：US20170225916A1
公开(公告)日：2017-08-10
申请号：US15416381
申请日：2017-01-26
发明人： Terumi Tsuda , Takefusa Ogata , Hiroshi Kusuda
IPC分类号： B65H3/06
CPC分类号： B65H3/0638 , B65H3/0607 , B65H3/5215 , B65H3/5261 , B65H2401/10 , B65H2401/115 , B65H2404/11 , B65H2404/1122 , B65H2404/117 , B65H2404/187
摘要： A retarding roller (a roller) is formed of a synthetic rubber (an industrial rubber material) such as ethylene propylene diene M-class rubber (EPDM) or polyurethane, or alternatively, silicone. The roller core of the retarding roller is cylindrical. M arc-shaped long holes (where M is an integer greater than or equal to 4) are formed in each of N layers (where N is an integer greater than or equal to 2) from a first layer (an outermost layer) to an Nth layer (an innermost layer) which are circular and concentric to a center axial line. In each layer, long holes are formed such that spokes in adjacent layers (an ith layer and an i+1th layer, where i is an integer from 1 to N−1) do not overlap in the circumferential direction.
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