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    • 3. 发明授权
    • Image forming apparatus eliminating influence of fluctuation in speed of
a conveying belt to correction of offset in color registration
    • 图像形成装置消除输送带的速度波动对颜色配准中的偏移校正的影响
    • US5875380A
    • 1999-02-23
    • US18962
    • 1998-02-05
    • Nobuo IwataToshiya SatoTadashi ShinoharaYutaka Shio
    • Nobuo IwataToshiya SatoTadashi ShinoharaYutaka Shio
    • G03G15/01
    • G03G15/0194G03G2215/0016G03G2215/0119
    • An image processing apparatus eliminates a detection error in a color offset detecting operation due to a periodic fluctuation in a speed of a conveying belt which conveys a transfer sheet on which color component images are transferred and superimpose to form a multi-color image. A plurality of image forming units are arranged along the conveying belt, each of the image forming units transferring a color component image on the transfer sheet and also transferring a register mark on the conveying belt. A register mark detecting sensor located along the conveying belt detects the register mark on the conveying belt. A distance between the register mark detecting sensor and one of the plurality of image forming units adjacent to the register mark detecting sensor is a multiple of an integer of a circumference of the drive roller. A distance between adjacent ones of the plurality of image forming units is a multiple of an integer of the circumference of the drive roller.
    • 图像处理装置消除由于输送转印纸上传送和叠加的转印纸的传送带的速度的周期性波动而导致的彩色偏移检测操作中的检测误差,从而形成多色图像。 沿着传送带布置有多个图像形成单元,每个图像形成单元在转印纸上传送颜色分量图像,并且还在输送带上传送对准标记。 沿着输送带定位的对准标记检测传感器检测输送带上的对准标记。 对位标记检测传感器与与对准标记检测传感器相邻的多个图像形成单元中的一个之间的距离是驱动辊的圆周的整数的倍数。 多个图像形成单元中相邻的图像形成单元之间的距离是驱动辊的圆周的整数的倍数。
    • 8. 发明授权
    • Paper feeder and bookbinding apparatus equipped with the same
    • 送纸器和装订装置配备相同
    • US07762542B2
    • 2010-07-27
    • US11979574
    • 2007-11-06
    • Yoichi TagawaTakuya SakamotoToshiya Sato
    • Yoichi TagawaTakuya SakamotoToshiya Sato
    • B65H33/04B65H39/00
    • B65H3/06B65H3/50B65H3/56B65H2405/11161B65H2701/121B65H2701/1768
    • Tray means for stacking sheets, pickup means for separating and for conveying sheets into a single sheet on the tray means, and sheet conveyance means for conveying a sheet separated by the pickup means to a predetermined processing position are provided. Projecting guide means project from a sheet support surface of the tray means into a notched opening of the sheet is provided; and an oblique surface is formed to prevent a trailing side edge of the opening from catching on a leading side edge of the opening of a lower sheet when feeding an uppermost sheet to the projecting guide means. This makes it possible to feed only the uppermost sheet downstream without an opening edge formed in the uppermost sheet from interfering with an opening edge of a lower sheet.
    • 托盘用于堆叠纸张,用于分离和将纸张输送到托盘装置上的单张纸的拾取装置,以及用于将由拾取装置分离的纸张输送到预定处理位置的纸张输送装置。 突出引导装置提供从托盘装置的片材支撑表面突出到片材的缺口开口; 并且形成倾斜表面以防止当将最上面的片材馈送到突出引导装置时开口的后侧边缘捕获在下片材的开口的前侧边缘上。 这使得仅在最下面的片材上仅形成最上面的片材而不会在最上面的片材中形成的开口边缘干扰下部片材的开口边缘。