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    SHEET LENGTH MEASURING DEVICE AND IMAGE FORMING APPARATUS
    5.
    发明申请
    SHEET LENGTH MEASURING DEVICE AND IMAGE FORMING APPARATUS 有权
    厚度测量装置和图像形成装置

    公开(公告)号：US20120291299A1

    公开(公告)日：2012-11-22

    申请号：US13476359

    申请日：2012-05-21

    申请人： Koichi KUDO ,  Makoto NAKURA ,  Naoto UEDA ,  Satoshi UEDA ,  Akira KOBASHI ,  Shingo TAKAI

    发明人： Koichi KUDO ,  Makoto NAKURA ,  Naoto UEDA ,  Satoshi UEDA ,  Akira KOBASHI ,  Shingo TAKAI

    IPC分类号： G01B5/02

    CPC分类号： G01B5/02 ,  G01B5/24 ,  G01B7/02 ,  G01B7/30 ,  G01B21/02 ,  G01B21/22 ,  G03G15/0189 ,  G03G15/5029 ,  G03G2215/00734

    摘要： A sheet length measuring device includes a rotating body configured to rotate with a movement of a sheet in a conveying direction; a position detecting unit configured to detect leading and trailing ends of the sheet passing through a position of the rotating body; a measuring unit configured to measure a rotation amount of the rotating body and output an origin signal per one revolution of the rotating body; a storage unit configured to store changes of a sheet conveying amount with respect to respective rotation angles in one revolution of the rotating body; and a calculating unit configured to calculate a corrected length of the sheet from a value obtained from a rotation angle of the rotating body when the leading end of the sheet is detected and a value obtained from a rotation angle of the rotating body when the trailing end of the sheet is detected.

    摘要翻译： 片材长度测量装置包括旋转体，其构造成随着片材沿输送方向的移动而旋转; 位置检测单元，被配置为检测通过所述旋转体的位置的所述片材的前端和后端; 测量单元，被配置为测量旋转体的旋转量并输出旋转体的每转一次的原点信号; 存储单元，被配置为在旋转体的一圈中存储相对于各旋转角度的片材输送量的变化; 以及计算单元，被配置为从检测到所述纸张的前端的旋转体的旋转角度获得的值和从所述旋转体的后端的旋转角度获得的值来计算所述片材的校正长度 检测到纸张。

    IMAGE FORMING APPARATUS WITH CONVEYANCE SUSPENSION UNIT
    6.
    发明申请
    IMAGE FORMING APPARATUS WITH CONVEYANCE SUSPENSION UNIT 审中-公开
    图像形成装置与输送悬挂装置

    公开(公告)号：US20130251434A1

    公开(公告)日：2013-09-26

    申请号：US13833805

    申请日：2013-03-15

    申请人： Naoto UEDA ,  Makoto NAKURA ,  Shingo TAKAI ,  Satoshi UEDA ,  Koichi KUDO

    发明人： Naoto UEDA ,  Makoto NAKURA ,  Shingo TAKAI ,  Satoshi UEDA ,  Koichi KUDO

    IPC分类号： G03G15/00

    CPC分类号： G03G15/6558 ,  G03G15/0189 ,  G03G15/6561

    摘要： An image forming apparatus includes a drive roller configured to rotate, a driven roller configured to hold and convey a print medium at a gap between the drive and driven rollers, an image carrier configured to have a toner image formed on a surface thereof and to rotate, the image carrier being situated downstream relative to the drive roller and the driven roller in a travel direction of the print medium, a transfer roller configured to hold and convey, at another gap between the image carrier and the transfer roller, the print medium passed from the drive roller and the driven roller to transfer the toner image onto a surface of the print medium, and a conveyance suspension unit to stop the drive roller and the driven roller from applying a drive force to the print medium at a time at which the print medium reaches such another gap.

    摘要翻译： 一种图像形成装置，包括被构造成旋转的驱动辊，构造成在驱动辊和从动辊之间的间隙处保持和传送打印介质的从动辊;构造成在其表面上形成调色剂图像并旋转的图像载体 ，所述图像载体相对于所述驱动辊和所述从动辊位于所述打印介质的行进方向的下游，所述转印辊构造成在所述图像载体和所述转印辊之间的另一间隙处保持和输送，所述印刷介质通过 从驱动辊和从动辊将调色剂图像转印到打印介质的表面上，以及输送悬挂单元，用于停止驱动辊和从动辊在打印介质上施加驱动力， 打印介质达到这样的空白。

    IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM
    7.
    发明申请
    IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM 有权
    图像形成装置，图像形成方法和计算机可读记录介质

    公开(公告)号：US20140037299A1

    公开(公告)日：2014-02-06

    申请号：US13950978

    申请日：2013-07-25

    申请人： Makoto NAKURA ,  Naoto Ueda ,  Satoshi Ueda ,  Shingo Takai ,  Koichi Kudo

    发明人： Makoto NAKURA ,  Naoto Ueda ,  Satoshi Ueda ,  Shingo Takai ,  Koichi Kudo

    IPC分类号： G03G15/00

    CPC分类号： G03G15/607 ,  G03G15/235 ,  G03G15/5095 ,  H04N1/00034 ,  H04N1/00047 ,  H04N1/0005 ,  H04N1/00063 ,  H04N1/00087 ,  H04N1/00713 ,  H04N1/00732 ,  H04N1/00734 ,  H04N1/00745 ,  H04N1/00779 ,  H04N1/00793 ,  H04N1/393 ,  H04N2201/0082

    摘要： An image forming apparatus includes an image forming unit forming an image on a first recording medium based on image data, a measurement unit being positioned in an immediate vicinity of the image forming unit, being arranged upstream of a sheet-conveyance path than the image forming unit, and measuring a size of the first recording medium, an expansion ratio calculation unit calculating an expansion ratio of the first recording medium based on a first size of the first recording medium obtained before the first recording medium is passed through the image forming unit and a second size of the first recording medium obtained after the first recording medium is passed through the image forming unit, and a correction unit correcting the image data used for forming another image on a second recording medium conveyed after the first recording medium based on the expansion ratio.

    摘要翻译： 图像形成装置包括基于图像数据在第一记录介质上形成图像的图像形成单元，位于图像形成单元附近的测量单元，布置在比图像形成的纸张传送路径的上游 单位，并且测量第一记录介质的尺寸;扩展比计算单元，基于在第一记录介质通过图像形成单元之前获得的第一记录介质的第一尺寸，计算第一记录介质的扩展比;以及 在第一记录介质通过图像形成单元之后获得的第一记录介质的第二尺寸，以及校正单元，用于校正用于在基于扩展的第一记录介质之后传送的第二记录介质上形成另一图像的图像数据 比。

    SHEET CARRYING DEVICE AND IMAGE FORMING APPARATUS
    8.
    发明申请
    SHEET CARRYING DEVICE AND IMAGE FORMING APPARATUS 有权
    实施装置和图像形成装置

    公开(公告)号：US20130228969A1

    公开(公告)日：2013-09-05

    申请号：US13780030

    申请日：2013-02-28

    申请人： Makoto NAKURA ,  Naoto UEDA ,  Koichi KUDO ,  Shingo TAKAI

    发明人： Makoto NAKURA ,  Naoto UEDA ,  Koichi KUDO ,  Shingo TAKAI

    IPC分类号： B41J13/00

    CPC分类号： B41J13/0009 ,  G03G15/1615 ,  G03G15/6529 ,  G03G15/6561 ,  G03G21/1647 ,  G03G2221/1657

    摘要： A disclosed sheet carrying device includes a first carrying unit that includes a first rotary body, a first driving unit outputting a driving force at a first peripheral speed, a one-way clutch transmitting the driving force only in a sheet carrying direction, and a second rotary body driven by the first rotary body via the sheet; and a second carrying unit including a third rotary body rotating at a second peripheral speed being the first peripheral speed or more, a fourth rotary body carrying the sheet with the third rotary body, a second driving unit outputting a driving force for driving the fourth rotary body at a third peripheral speed being the second peripheral speed or more, and a torque limiter having a slip torque smaller than a sheet carrying torque and cutting off the driving force while the sheet is interposed between the third and fourth rotary bodies.

    摘要翻译： 公开的片材承载装置包括第一承载单元，其包括第一旋转体，以第一圆周速度输出驱动力的第一驱动单元，仅在片材传送方向上传递驱动力的单向离合器， 由第一旋转体经由片材驱动的旋转体; 以及第二承载单元，其包括以第一圆周速度以上的第二圆周速度旋转的第三旋转体，具有第三旋转体的第四旋转体，第二驱动单元，其输出用于驱动第四旋转体的驱动力 第三圆周速度为第二圆周速度以上的扭矩限制器，以及转矩限制器，其具有小于输送力矩的滑动转矩，并且在片材插入在第三和第四旋转体之间时切断驱动力。

    SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS
    9.
    发明申请
    SHEET CONVEYING APPARATUS AND IMAGE FORMING APPARATUS 审中-公开
    输送装置和图像形成装置

    公开(公告)号：US20140312562A1

    公开(公告)日：2014-10-23

    申请号：US14249506

    申请日：2014-04-10

    申请人： Naoto UEDA ,  Makoto NAKURA ,  Shingo TAKAI ,  Satoshi UEDA

    发明人： Naoto UEDA ,  Makoto NAKURA ,  Shingo TAKAI ,  Satoshi UEDA

    IPC分类号： B65H7/02 ,  B65H5/06

    CPC分类号： B65H7/02 ,  B65H5/062 ,  B65H2511/11 ,  B65H2511/22 ,  B65H2553/51 ,  B65H2553/80 ,  B65H2557/2423 ,  B65H2601/122 ,  B65H2701/1311 ,  B65H2701/1313 ,  B65H2220/01 ,  B65H2220/03

    摘要： A sheet conveying apparatus includes a detecting unit configured to detect a sheet; a conveying unit including a driving roller and a driven roller that rotates in conformity with the driving roller and configured to convey the sheet by holding the sheet between the driving roller and the driven roller; a disk configured to rotate in correspondence with the driven roller and including multiple slits arranged in a periphery thereof; first and second sensors configured to detect the multiple slits and output detection signals, the first and second sensors being provided substantially opposite to each other where a rotational axle of the disk is positioned at a center between the first and second sensors; and a conveyance distance calculating unit configured to calculate a sheet conveying distance based on a detection result of the detecting unit and the detection signals.

    摘要翻译： 片材输送装置包括：检测单元，被配置为检测片材; 传送单元，其包括驱动辊和从动辊，所述驱动辊和从动辊根据所述驱动辊旋转并且构造成通过将所述片材保持在所述驱动辊和所述从动辊之间来传送所述片材; 配置为与所述从动辊对应地旋转并包括设置在其周边的多个狭缝的盘; 配置成检测多个狭缝并输出检测信号的第一和第二传感器，第一和第二传感器基本上彼此相对设置，其中盘的旋转轴位于第一和第二传感器之间的中心; 以及输送距离计算单元，被配置为基于检测单元的检测结果和检测信号来计算纸张传送距离。

    IMAGE FORMING APPARATUS
    10.
    发明申请
    IMAGE FORMING APPARATUS 有权
    图像形成装置

    公开(公告)号：US20140118762A1

    公开(公告)日：2014-05-01

    申请号：US14059823

    申请日：2013-10-22

    申请人： Makoto NAKURA ,  Naoto Ueda ,  Shingo Takai ,  Satoshi Ueda

    发明人： Makoto NAKURA ,  Naoto Ueda ,  Shingo Takai ,  Satoshi Ueda

    IPC分类号： G06K15/16

    CPC分类号： H04N1/00748 ,  G03G15/5029 ,  G03G2215/00734 ,  G03G2215/0129 ,  G06K15/1868 ,  H04N1/00578 ,  H04N1/00594 ,  H04N1/0071 ,  H04N1/00734 ,  H04N1/00779

    摘要： An image forming apparatus includes an image forming unit to form an image on a recording medium; an inverting transport unit to invert first and second surfaces of the recording medium, and front and rear ends of the recording medium to transport the inverted recording medium; a recording medium width measuring unit to measure an end position of the recording medium in a width direction orthogonal to a transporting direction of the recording medium at a measuring position having an approximately identical distance from one end of the recording medium in the transporting direction before and after the image is formed on the recording medium; and a correcting unit to correct an image to be formed on a subsequent recording medium based on a change in a shape of the recording medium computed based on a measured result from the recording medium width measuring unit.

    摘要翻译： 图像形成装置包括：图像形成单元，用于在记录介质上形成图像; 反转传送单元，用于翻转记录介质的第一和第二表面以及记录介质的前端和后端，以传输倒置的记录介质; 记录介质宽度测量单元，用于测量记录介质在与记录介质的输送方向正交的宽度方向上的测量位置处的测量位置，所述测量位置距离记录介质在输送方向之前的一端具有大致相同的距离; 在图像形成在记录介质上之后; 以及校正单元，用于基于根据来自记录介质宽度测量单元的测量结果计算的记录介质的形状的变化来校正将在随后的记录介质上形成的图像。