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公开(公告)号：US09749479B2
公开(公告)日：2017-08-29
申请号：US14352653
申请日：2012-10-15
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yuta Hojo
CPC classification number: H04N1/00095 , G03G15/5004 , H04N1/00896
Abstract: A state change of a status occurred during a communication interrupted state is stored as a state change status. Thus, a video controller 102 can recognize the change of the status during a period when communication between the video controller 102 and an engine control unit 103 is interrupted, based on the state change status.
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公开(公告)号：US11434098B2
公开(公告)日：2022-09-06
申请号：US16210517
申请日：2018-12-05
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yuta Hojo , Genki Takahashi , Kazuhisa Sato
Abstract: A sheet sorting device includes three or more trays including a predetermined tray detachable from an apparatus main body and a tray different from the predetermined tray, a discharge unit to discharge a sheet to any one of the three or more trays, a control unit, and a tray detection unit to detect that the predetermined tray is detached from the apparatus main body. The control unit sets a sheet discharge destination such that a sheet conforming to a preset condition is discharged to the predetermined tray through the discharge unit. Where the tray detection unit detects that the predetermined tray is detached from the apparatus main body, the control unit sets a sheet discharge destination that has been set to the predetermined tray to the tray different from the predetermined tray based on a state of each of the trays other than the detached predetermined tray.
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公开(公告)号：US09944480B2
公开(公告)日：2018-04-17
申请号：US15453647
申请日：2017-03-08
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yuya Hirano , Fumiaki Mizuno , Yuta Hojo , Atsushi Kawarago
CPC classification number: B65H7/12 , B65H1/266 , B65H3/02 , B65H3/06 , B65H3/46 , B65H3/52 , B65H3/5261 , B65H7/06 , B65H7/125 , B65H7/20 , B65H2511/11 , B65H2511/20 , B65H2511/52 , B65H2513/50 , B65H2801/06 , B65H2220/01 , B65H2220/03 , B65H2220/04
Abstract: An image forming apparatus includes an accommodation unit, feeding, conveying, and separating members, and detecting, control, image forming, and regulating units. The conveying member conveys a fed recording material. The separating member forms a nip and separates recording materials. The detecting unit detects that the recording material has been fed to the nip. The feeding member starts feeding an accommodated recording material and, where a recording material is fed to the nip, causes the feeding to be finished. An image is formed on a fed recording material. The regulating unit regulates an end on an upstream side. The control unit measures a period from a recording material feeding to detection that a recording material is fed to the nip. Based on the measured period, information is output indicating that a position of the regulating unit is deviated from a position according to a size of the accommodated recording materials.
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公开(公告)号：US20140294416A1
公开(公告)日：2014-10-02
申请号：US14307375
申请日：2014-06-17
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yasuhiro Shimura , Atsushi Kawarago , Yuta Hojo , Kei Sato
IPC: G03G15/20
CPC classification number: G03G15/2039
Abstract: An apparatus is capable of switching between a mode in which a first resistance heating element and a second resistance heating element are connected in series and a mode in which they are connected in parallel. When a temperature increase rate detected by a temperature detection unit is smaller than a threshold rate although a current detected by a current detection unit is greater than a threshold current, a notification of a failure is issued.
Abstract translation: 一种装置能够在第一电阻加热元件和第二电阻加热元件串联连接的模式和并联连接的模式之间切换。 当由温度检测单元检测到的温度增加率小于阈值速率时，尽管由电流检测单元检测到的电流大于阈值电流，但是发出故障通知。
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公开(公告)号：US20210218738A1
公开(公告)日：2021-07-15
申请号：US17136495
申请日：2020-12-29
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yuta Hojo
IPC: H04L29/06
Abstract: A first authentication apparatus obtains a modification restriction parameter which is stored in a second authentication apparatus and which indicates a number of times a mutual authentication pair modification is possible or a number of times modification has been executed. The first authentication apparatus transmits to the second authentication apparatus authentication information corresponding to the modification restriction parameter. The second authentication receives the authentication information from the first authentication apparatus. The second authentication apparatus determines whether or not the received authentication information is authentication information for permitting the mutual authentication pair modification. In a case where the received authentication information is authentication information that permits the mutual authentication pair modification, the second authentication apparatus and the first authentication apparatus form a mutual authentication pair.
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Patent Agency Ranking
公开(公告)号：US10005629B2
公开(公告)日：2018-06-26
申请号：US15352974
申请日：2016-11-16
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yuta Hojo
CPC classification number: B65H1/00 , G03G15/234 , G03G15/6564 , G03G15/6582 , G03G2215/00827
Abstract: An image forming apparatus may comprise a first feeding unit, a second feeding unit, a feeding control unit, an image forming unit, a reversal unit, a post-processing unit, and a post-processing control unit. Based on a post-processing time amount notified from the post-processing control unit, the feeding control unit does not allow a sheet to wait in the reversal unit and adjusts a feed time of a sheet fed from the first feeding unit so that the sheet fed from the first feeding unit does not contact with a sheet waiting in the second feeding unit.
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公开(公告)号：US20170269533A1
公开(公告)日：2017-09-21
申请号：US15457870
申请日：2017-03-13
Applicant: CANON KABUSHIKI KAISHA
Inventor： Ryuhei Shoji , Yuta Hojo , Shingo Harada
CPC classification number: B65H3/0669 , B65H1/14 , B65H3/0607 , B65H3/0684 , B65H3/44 , B65H7/12 , B65H7/18 , B65H7/20 , B65H2301/42324 , B65H2404/14 , B65H2405/332 , B65H2511/524 , B65H2513/512 , B65H2513/53 , B65H2701/1313 , B65H2801/12 , G03G15/6511 , G03G15/6529 , B65H2220/01 , B65H2220/03 , B65H2220/02
Abstract: An image forming apparatus includes feeding, conveying, and separating members, and detecting, image forming, and control units. The feeding member feeds a recording material placed on a tray. The separating member and the conveying member separate recording materials at a nip. The detecting unit detects that the recording materials have been fed to the nip. The image forming unit forms an image on fed recording material. The control unit switches between a first and second control. Under the first control, the feeding member starts feeding a recording material placed on the tray, and ends feeding before a recording material trailing end passes through the feeding member. Under the second control, the feeding member starts feeding a recording material placed on the tray, and ends feeding after a recording material trailing end passes through the feeding member when the detection unit detects that the recording materials are fed to the nip.
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公开(公告)号：US20170176902A1
公开(公告)日：2017-06-22
申请号：US15352974
申请日：2016-11-16
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yuta Hojo
IPC: G03G15/00
CPC classification number: B65H1/00 , G03G15/234 , G03G15/6564 , G03G15/6582 , G03G2215/00827
Abstract: An image forming apparatus may comprise a first feeding unit, a second feeding unit, a feeding control unit, an image forming unit, a reversal unit, a post-processing unit, and a post-processing control unit. Based on a post-processing time amount notified from the post-processing control unit, the feeding control unit does not allow a sheet to wait in the reversal unit and adjusts a feed time of a sheet fed from the first feeding unit so that the sheet fed from the first feeding unit does not contact with a sheet waiting in the second feeding unit.
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公开(公告)号：US20170166411A1
公开(公告)日：2017-06-15
申请号：US15370334
申请日：2016-12-06
Applicant: CANON KABUSHIKI KAISHA
Inventor： Atsushi Kawarago , Fumiaki Mizuno , Yuta Hojo , Takao Nada
CPC classification number: B65H3/0669 , B65H3/46 , B65H3/5261 , B65H5/062 , B65H7/02 , B65H7/12 , B65H2403/724 , B65H2403/732 , B65H2511/33 , B65H2513/11 , B65H2513/512 , B65H2553/00 , H04N1/00602 , H04N1/00631 , H04N1/0066 , B65H2220/01 , B65H2220/03 , B65H2220/02
Abstract: A sheet feeding device includes a stacking portion, a first roller, a second roller, a third roller rotatable to provide peripheral movement in a predetermined direction and to provide peripheral movement in a direction opposite to the predetermined direction, a detecting unit, a driving unit for executing a feeding operation by the first roller, and a control unit for providing an instruction to the driving unit so as to continue or stop the feeding operation. The predetermined rotational frequency is larger than 0 and is smaller than a rotational frequency of the third roller in a period in which the third roller is rotated in the predetermined direction in a state in which a single recording material is fed to the nip.
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公开(公告)号：US20140300932A1
公开(公告)日：2014-10-09
申请号：US14352653
申请日：2012-10-15
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yuta Hojo
IPC: H04N1/00
CPC classification number: H04N1/00095 , G03G15/5004 , H04N1/00896
Abstract: A state change of a status occurred during a communication interrupted state is stored as a state change status. Thus, a video controller 102 can recognize the change of the status during a period when communication between the video controller 102 and an engine control unit 103 is interrupted, based on the state change status.
Abstract translation: 在通信中断状态期间发生的状态的状态改变被存储为状态改变状态。 因此，视频控制器102可以基于状态改变状态来识别视频控制器102和引擎控制单元103之间的通信被中断的期间的状态的变化。
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