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    • 6. 发明授权
    • Image forming apparatus and correction method of color-misregistration in an image
    • 图像形成装置和图像中颜色不对齐的校正方法
    • US07817947B2
    • 2010-10-19
    • US12059980
    • 2008-03-31
    • Eiji NishikawaSatoshi Ogata
    • Eiji NishikawaSatoshi Ogata
    • G03G15/01G03G15/00
    • G03G15/0131G03G15/5058G03G2215/00059G03G2215/00599G03G2215/0135G03G2215/0161
    • An image forming apparatus that corrects color misregistration of an image including: an image forming device having an endless image carrier for carrying an image to be formed on the recording medium, wherein the image forming device forms the image in an image area that corresponds to the recording medium on the image carrier and also forms a color misregistration correction mark in an image boundary area that is sandwiched between the image area and the next image area following the image area on the image carrier; a mark detecting section for detecting the correction mark on the image boundary area; and a control device to change an interval for feeding the recording medium based on a fluctuating period of the color misregistration corresponding to an orbiting distance of the image carrier, and to expand image boundary area of the image carrier to form the mark at a changed position.
    • 一种图像形成装置,其校正图像的颜色对准,包括:图像形成装置,具有用于承载要在所述记录介质上形成的图像的环形图像载体,其中,所述图像形成装置在与所述图像形成装置相对应的图像区域中形成图像 在图像载体上记录介质,并且在图像边界区域中形成颜色对准校正​​标记,该图像边界区域夹在图像区域和图像载体上的图像区域之后的下一个图像区域之间; 标记检测部分,用于检测图像边界区域上的校正标记; 以及控制装置,用于基于与图像载体的轨道距离对应的颜色对准的波动周期来改变用于馈送记录介质的间隔,并且扩大图像载体的图像边界区域以在改变位置形成标记 。
    • 10. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20080232878A1
    • 2008-09-25
    • US12015090
    • 2008-01-16
    • Tetsu SEKINESatoshi OgataYujiro Ishida
    • Tetsu SEKINESatoshi OgataYujiro Ishida
    • G03G15/00
    • B65H9/002B65H9/006B65H2404/7231
    • An image forming apparatus includes: an image forming section which forms an image on a sheet; a conveyance section which conveys the sheet to the image forming section, having a registration roller, a plurality of loop forming rollers which cause the sheet to form a loop, provided upstream of the registration roller in a sheet conveyance direction and arranged in a direction perpendicular to the sheet conveyance direction, a skew detection sensor which detects a skew of the sheet, and a conveyance roller provided upstream of the loop forming roller; and a control section which controls a driving of the conveyance section. The control section controls independently each of the plurality of loop forming rollers based on the detected result of the skew detection sensor.
    • 图像形成装置包括:图像形成部,其在片材上形成图像; 传送部件,其将片材传送到图像形成部分,具有定位辊,使片材形成环的多个环形辊,设置在纸张传送方向上的对位辊的上游并且沿垂直的方向布置 检测片材的歪斜的偏斜检测传感器和设置在环形成辊的上游的传送辊; 以及控制部,其控制所述输送部的驱动。 控制部基于歪斜检测传感器的检测结果独立地控制多个环形辊的每一个。