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21. 发明授权

US08905400B2 Sheet feeding device and image processing apparatus 有权
标题翻译：送纸装置和图像处理装置
公开(公告)号：US08905400B2
公开(公告)日：2014-12-09
申请号：US13849027
申请日：2013-03-22
申请人： Hideyuki Umeno , Yoshiki Omichi
发明人： Hideyuki Umeno , Yoshiki Omichi
IPC分类号： B65H7/02 , B65H9/00 , B65H5/06 , B65H7/08 , B65H7/06 , G03G15/00
CPC分类号： B65H7/06 , B65H5/062 , B65H7/08 , B65H9/006 , B65H2404/1424 , B65H2513/512 , B65H2513/53 , B65H2553/82 , B65H2701/1311 , B65H2801/06 , B65H2801/39 , G03G15/602 , B65H2220/01 , B65H2220/03 , B65H2220/02 , B65H2220/11
摘要： A sheet feeding device having: a first conveyance roller pair that feeds a sheet; a second conveyance roller pair that feeds the sheet, the second conveyance roller pair being provided downstream from the first conveyance roller pair in a feed direction in which the sheet is fed; and a third conveyance roller pair that feeds the sheet, the third conveyance roller pair being provided downstream from the second conveyance roller pair in the feed direction, in which, when an edge of the sheet that is located on the downstream side of the feed direction is skewed with respect to a direction perpendicular to the feed direction, the second conveyance roller pair slides in the perpendicular direction with the sheet slacking between the first conveyance roller pair and the second conveyance roller pair.
摘要翻译：一种送纸装置，具有：供给纸张的第一输送辊对; 第二传送辊对，其供给片材，所述第二传送辊对在所述片材的供给方向上设置在所述第一传送辊对的下游; 以及第三输送辊对，其输送所述纸张，所述第三输送辊对沿所述进给方向设置在所述第二输送辊对的下游，其中当所述纸张位于所述进给方向的下游侧的边缘时，相对于与进给方向垂直的方向倾斜，第二输送辊对在第一输送辊对和第二输送辊对之间的纸张松弛的同时沿垂直方向滑动。

22. 发明授权

US08817277B2 Lateral shift correcting apparatus, image forming apparatus, and recording medium conveying method 有权
标题翻译：横向偏移校正装置，图像形成装置和记录介质输送方法
公开(公告)号：US08817277B2
公开(公告)日：2014-08-26
申请号：US13295566
申请日：2011-11-14
申请人： Toshihiro Matsushima
发明人： Toshihiro Matsushima
IPC分类号： G06K15/00
CPC分类号： B65H9/002 , B41J13/0018 , B41J13/30 , B65H7/08 , B65H9/166 , B65H2511/216 , B65H2511/514 , B65H2701/1311 , B65H2220/01 , B65H2220/02 , B65H2220/11
摘要： An image forming apparatus includes: a recording medium conveying mechanism configured to convey a recording medium; a registration roller configured to correct the direction of the recording medium; a first sensor set upstream in a recording medium conveying direction of the registration roller; an image forming section configured to form an image on the conveyed recording medium; and a lateral shift correcting apparatus set downstream of the image forming section and configured to correct the position of the recording medium in an oblique direction by an angle corresponding to a lateral shift amount of the recording medium detected by the first sensor.
摘要翻译：图像形成装置包括：记录介质传送机构，被配置为传送记录介质; 配置为校正记录介质的方向的定位辊; 设置在所述定位辊的记录介质传送方向上游的第一传感器; 图像形成部，被配置为在所传送的记录介质上形成图像; 以及横向移位校正装置，其设置在图像形成部分的下游，并被配置为将倾斜方向上的记录介质的位置校正与由第一传感器检测到的记录介质的横向偏移量相对应的角度。

23. 发明授权

US08764007B2 Sheet conveying device having function of correcting skew of sheet 有权
标题翻译：具有校正歪斜功能的片材输送装置
公开(公告)号：US08764007B2
公开(公告)日：2014-07-01
申请号：US13307234
申请日：2011-11-30
申请人： Hiroshi Saito
发明人： Hiroshi Saito
IPC分类号： B65H7/02 , B65H9/00 , B65H33/04
CPC分类号： B65H9/002 , B65H7/08 , B65H33/04 , B65H2301/331 , B65H2511/514 , B65H2513/104 , B65H2513/53 , B65H2553/822 , B65H2701/11132 , B65H2701/1311 , B65H2701/1313 , B65H2220/01 , B65H2220/03 , B65H2220/02
摘要： A sheet conveying device that makes it possible to perform printing at high speed with high accuracy by easily correcting skew of a sheet, such as an index tab sheet, without requiring troublesome operations. Sheet detection sensors for detecting a sheet and skew correction rollers for conveying the sheet are disposed in a direction crosswise to a conveying direction of the sheet. A skew correction drive controller measures a leading edge detection time between respective detections of a leading edge of the sheet by the sensors, and controls the conveying speeds of the skew correction rollers independently of each other such that a skew represented by the leading edge detection time is corrected. If the leading edge detection time is not smaller than a predetermined threshold value, the skew correction drive controller reduces a skew correction amount for correcting the skew by a predetermined amount.
摘要翻译：一种片材输送装置，其可以通过容易地校正诸如索引片状片材的片材的歪斜而高精度地进行打印，而不需要麻烦的操作。用于检测片材的片材检测传感器和用于传送片材的歪斜校正辊沿与片材的传送方向交叉的方向设置。偏斜校正驱动控制器通过传感器测量片材的前缘的相应检测之间的前缘检测时间，并且彼此独立地控制歪斜校正辊的传送速度，使得由前缘检测时间被更正。如果前沿检测时间不小于预定阈值，则偏斜校正驱动控制器将用于校正偏斜量的偏斜校正量减少预定量。

24. 发明申请

US20140168308A1 SHEET TRANSPORTING APPARATUS AND IMAGE FORMING SYSTEM 有权
标题翻译：图纸运输设备和图像形成系统
公开(公告)号：US20140168308A1
公开(公告)日：2014-06-19
申请号：US14040693
申请日：2013-09-29
申请人： Kenji SAMOTO , Kenta HORADE , Mitsuhiro NOZAKI , Hirotaka AOKI
发明人： Kenji SAMOTO , Kenta HORADE , Mitsuhiro NOZAKI , Hirotaka AOKI
IPC分类号： B41J13/00
CPC分类号： B41J13/0009 , B65H3/0684 , B65H5/062 , B65H7/06 , B65H7/08 , B65H9/008 , B65H2511/242 , B65H2511/414 , B65H2515/704 , B65H2557/26 , B65H2557/264 , B65H2801/12 , B65H2801/39 , B65H2220/02 , B65H2220/01
摘要： A sheet transporting apparatus is provided, including a transport mechanism provided with a roller, a motor, a controller, and a measuring input unit, wherein a transport route has a curved area for inverting the sheet, and the controller is constructed such that the control on the motor is executed by a closed loop control system by using a measured value of an control output at an initial stage of the transport of a sheet from a tray, and the control on the motor is switched from the control performed by the closed loop control system to control performed by an open loop control system on condition that a preset phenomenon arises after the sheet is taken out of the tray.
摘要翻译：一种片材输送装置，其特征在于，具备设置有滚子，马达，控制器以及测量输入单元的输送机构，其中输送路径具有用于反转纸张的弯曲区域，并且控制器被构造成使得控制器通过使用在从托盘传送片材的初始阶段的控制输出的测量值来执行电动机，并且电动机的控制从由闭环执行的控制切换控制系统由开环控制系统进行控制，条件是在从纸盘中取出纸张之后出现预设现象。

25. 发明授权

US08678382B2 Sheet conveyance apparatus and image forming apparatus 有权
标题翻译：片材输送装置和图像形成装置
公开(公告)号：US08678382B2
公开(公告)日：2014-03-25
申请号：US13869860
申请日：2013-04-24
申请人： Canon Kabushiki Kaisha
发明人： Kouhei Deno
IPC分类号： B65H9/04
CPC分类号： B65H7/00 , B65H7/08 , B65H7/10 , B65H9/008 , B65H2404/1424 , B65H2511/224 , B65H2513/11 , B65H2513/41 , B65H2701/1311 , B65H2220/01 , B65H2220/02 , B65H2220/11
摘要： A sheet conveyance apparatus includes a conveyance roller pair, a conveyance roller driving unit, a registration roller pair, a registration driving unit, a separation and press-contact unit configured to set the registration roller pair to a separated state and to a press-contact state, and a control unit. After a sheet has stopped at a stop position immediately before the registration roller pair, the registration roller pair having been set to the separated state is set to the press-contact state. The registration roller pair is rotated backward during formation of a loop in the sheet.
摘要翻译：纸张输送装置包括输送辊对，输送辊驱动单元，定位辊对，配准驱动单元，配置成将定位辊对设定为分离状态的分离压接单元和压接触状态和控制单元。在纸张刚刚在定位辊对之前停止在停止位置之后，已将设定为分离状态的定位辊对设定为压接状态。定位辊对在片材中形成环时向后旋转。

26. 发明申请

US20140042693A1 METHOD FOR CONTROLLING SHEET CONVEYANCE IN IMAGE FORMING APPARATUS 有权
标题翻译：用于控制图像形成装置中纸张输送的方法
公开(公告)号：US20140042693A1
公开(公告)日：2014-02-13
申请号：US13944909
申请日：2013-07-18
申请人： CANON KABUSHIKI KAISHA
发明人： Hiroto Endo
IPC分类号： B65H7/02
CPC分类号： B65H7/02 , B65H7/00 , B65H7/08 , B65H2511/22 , B65H2513/21 , B65H2513/22 , B65H2701/1311 , B65H2701/1313 , G03G2215/00599 , G03G2215/00721 , B65H2220/01 , B65H2220/02
摘要： An actual sheet interval from a preceding sheet to a succeeding sheet is detected by a top sensor. A registration roller is accelerated or decelerated such that the sheet interval from the preceding sheet to the succeeding sheet is an ideal value by the time that the leading edge of the succeeding sheet reaches a transfer nip part. Note that a time period during which acceleration or deceleration is applied and a sub-scan synchronization signal output timing are determined from the actual sheet interval. Note that a recording sheet P does not stop at the registration roller.
摘要翻译：通过顶部传感器检测从前一张纸到后续纸张的实际纸张间隔。定位辊被加速或减速，使得从后面的片材的前缘到达转印夹持部分的时间，从前一片材到后一片材的片材间隔是理想值。注意，从实际的纸张间隔确定施加加速或减速的时间段和副扫描同步信号输出定时。请注意，记录纸P在定位辊上不停止。

27. 发明授权

US08599451B2 Sheet conveyance device, image reading apparatus and image forming apparatus using sheet conveyance device 有权
标题翻译：片材输送装置，图像读取装置和使用片材输送装置的图像形成装置
公开(公告)号：US08599451B2
公开(公告)日：2013-12-03
申请号：US13369132
申请日：2012-02-08
申请人： Hiroshi Saito
发明人： Hiroshi Saito
IPC分类号： H04N1/04
CPC分类号： H04N1/00718 , B65H7/08 , B65H9/002 , B65H2511/242 , B65H2511/512 , B65H2513/104 , B65H2513/53 , B65H2553/822 , B65H2701/11132 , B65H2701/1311 , B65H2801/06 , G03G15/6567 , H04N1/00734 , H04N1/00755 , H04N1/00793 , H04N2201/0094 , B65H2220/01 , B65H2220/03 , B65H2220/02
摘要： A sheet conveyance device that is capable of correcting skew of a sheet like an index sheet without complicating a use setting and without increasing a cost significantly. A plurality of conveyance units are arranged in a direction intersecting a sheet conveyance direction to convey a sheet. At least three detection sensors are arranged in a direction intersecting the conveyance direction at an upstream side from the conveyance units to detect the sheet. A skew amount computation unit measures a time difference between detection timings of a front end of the sheet by two of the at least three detection sensors except the detection sensor that detects first, and computes a front-end skew amount according to the time difference. A speed change unit makes the conveyance speeds of the conveyance units be different according to the front-end skew amount so as to correct the skew of the sheet.
摘要翻译：一种片材输送装置，能够在不使使用设定复杂化的情况下校正片材的偏斜，而不会显着增加成本。多个输送单元沿与片材输送方向相交的方向排列以输送片材。至少三个检测传感器沿着与传送单元的上游侧的输送方向相交的方向布置，以检测纸张。偏斜量计算单元除了检测到的检测传感器之外的至少三个检测传感器中的两个之外，测量片材的前端的检测定时之间的时间差，并且根据时间差计算前端偏斜量。变速单元使得输送单元的输送速度根据前端偏斜量而不同，以便校正纸张的歪斜。

28. 发明申请

US20130168919A1 DOCUMENT CONVEYING DEVICE FOR CONVEYING DOCUMENT AND IMAGE FORMING APPARATUS INCLUDING THE DOCUMENT CONVEYING DEVICE 有权
标题翻译：用于输送文件和图像形成装置的文件输送装置，包括文件传送装置
公开(公告)号：US20130168919A1
公开(公告)日：2013-07-04
申请号：US13728470
申请日：2012-12-27
申请人： Kyocera Document Solutions Inc.
发明人： Takurou Murata
IPC分类号： B65H7/06 , B65H5/06
CPC分类号： B65H7/08 , B65H5/068 , B65H7/06 , G03G15/602 , G03G15/607 , H04N1/00588 , H04N1/00718 , H04N1/00734 , H04N1/00745 , H04N1/00755 , H04N1/00777 , H04N1/12 , H04N1/193 , H04N2201/0081
摘要： A document conveying device includes a document conveying unit, a controller, first and second document detectors, a pulse count detector, and a determining unit. The first document detector is located on a feeding path along which a document is fed by the document conveying unit, and detects a document leading edge. The second document detector is located at a position different from that of the first document detector in both a document feeding direction and a direction orthogonal thereto, and detects the document leading edge. The determining unit determines whether the number of pulses detected by the pulse count detector during the period from detection of the document leading edge by one of the first and second document detectors to detection of the document leading edge by the other exceeds a predetermined value. If the number of pulses exceeds the predetermined value, the controller stops the document feeding operation.
摘要翻译：文件传送装置包括文件传送单元，控制器，第一和第二文档检测器，脉冲计数检测器和确定单元。第一文件检测器位于由文件传送单元馈送文件的馈送路径上，并检测原稿前端。第二文档检测器位于与原稿输入方向和与其正交的方向上与第一文档检测器不同的位置，并且检测原稿前端。确定单元确定在由第一和第二文档检测器之一检测文件导出边缘之间的时间段期间由脉冲计数检测器检测到的脉冲数是否超过预定值的文档前端检测。如果脉冲数超过预定值，则控制器停止送纸操作。

29. 发明授权

US08452223B2 Image forming apparatus with sheet transport control timing changed according to length of transported sheet 有权
标题翻译：具有片材输送控制正时的图像形成装置根据运送的纸张的长度而改变
公开(公告)号：US08452223B2
公开(公告)日：2013-05-28
申请号：US12860055
申请日：2010-08-20
申请人： Tadashi Iwakawa
发明人： Tadashi Iwakawa
IPC分类号： G03G15/00
CPC分类号： G03G15/16 , B65H5/34 , B65H7/08 , B65H2511/11 , B65H2511/13 , B65H2511/514 , B65H2513/20 , B65H2513/222 , B65H2513/512 , B65H2513/514 , B65H2515/10 , B65H2701/1311 , B65H2801/06 , G03G15/6561 , G03G15/6564 , B65H2220/01 , B65H2220/02 , B65H2220/03
摘要： Provided is an image forming apparatus including: an image bearing member bearing a toner image formed by an image forming portion; a transfer part transferring the toner image formed on the image bearing member onto a sheet; a separation/feeding part separating sheets stacked on a sheet stacking member and feeding the sheet while nipping the sheet; and a transport part transporting the sheet fed by the separation/feeding part to the transfer part, in which a transporting operation of the transport part is changed according to a length of the sheet to be transported in a transport direction of the sheet.
摘要翻译：提供一种图像形成装置，包括：承载由图像形成部分形成的调色剂图像的图像承载部件; 转印部分，将形成在图像承载部件上的调色剂图像转印到片材上; 分离/供给部，分离层叠在片材堆叠部件上的片材，并且在夹持片材的同时进给片材; 以及输送部，其将由所述分离供给部输送的所述片材输送到所述转印部，所述转印部根据所述片材的输送方向上的所述片材的长度而改变所述输送部的输送动作。

30. 发明申请

US20120181743A1 SHEET TRANSPORT DEVICE, SHEET TRANSPORT CONTROL METHOD, AND PRINTER 审中-公开
标题翻译：板材运输装置，板材运输控制方法和打印机
公开(公告)号：US20120181743A1
公开(公告)日：2012-07-19
申请号：US13351434
申请日：2012-01-17
申请人： Satoru AKIMOTO , Yoshiki NAGASAKI
发明人： Satoru AKIMOTO , Yoshiki NAGASAKI
IPC分类号： B65H9/00
CPC分类号： B65H9/002 , B65H7/08 , B65H2404/15421 , B65H2404/6961 , B65H2511/514 , B65H2513/104 , B65H2513/53 , B65H2701/1311 , B65H2801/06 , B65H2220/03 , B65H2220/01 , B65H2220/02
摘要： According to one aspect of the embodiment, a sheet transport device includes a detecting unit configured to detect skew with respect to a transport direction of a sheet that is supplied, a transport unit configured to transport the sheet using a plurality of transport members disposed on the right and on the left at different intervals from an upstream side toward a downstream side in the transport direction and a control unit configured to cause rotation velocities of transport members on the right among the plurality of transport members to be different from rotation velocities of transport members on the left among the plurality of transport members in accordance with the skew of the sheet detected by the detecting unit.
摘要翻译：根据实施例的一个方面，一种纸张传送装置包括：检测单元，被配置为检测相对于被供给的纸张的输送方向的偏斜;传送单元，其构造成使用设置在所述纸张上的多个传送部件从输送方向的上游侧向下游侧的不同间隔的右侧和左侧;以及控制单元，其构造成使得所述多个输送部件中的右侧的输送部件的旋转速度与运送部件的旋转速度不同根据由检测单元检测到的纸张的偏斜，在多个传送部件的左侧。

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