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    • 1. 发明授权
    • Electrophotographic copying apparatus for copying thick and thin
originals
    • 用于复印厚薄原稿的电子照相复印设备
    • US4174904A
    • 1979-11-20
    • US844068
    • 1977-10-20
    • Hiroshi MurasakiYuji EnoguchiKenichi WadaTakao Fujiwara
    • Hiroshi MurasakiYuji EnoguchiKenichi WadaTakao Fujiwara
    • G03B27/50G03B27/52G03G15/04G03G15/30G03G15/28
    • G03B27/525G03G15/302
    • An electrophotographic copying apparatus which includes a thin sheet original transporting device having transporting rollers and disposed adjacent to a transparent platform for holding thick originals at the upper portion of the copying apparatus, and an image forming optical system moving device for moving the optical system from a scanning starting position for thick original copying to a stationary optical system position for thin sheet original copying in association with a change-over of operation from copying a thick original to copying a thin sheet original in order to eliminate disadvantages inherent in exposures in conventional copying apparatuses, and the distance between first and second reflecting mirrors of the optical system at the scanning starting position for copying thick originals is set to be less than that when the optical system is in the stationary position for reduction of the size of the copying apparatus.
    • 一种电子照相复印装置,其特征在于,具有:薄片原稿输送装置,具有输送辊,与复印装置的上部保持厚原稿的透明平台相邻配置;以及图像形成用光学系统移动装置, 扫描起始位置,用于将厚的原始复制扫描到用于薄片原始复印的固定光学系统位置,与从厚的原稿复制到复制薄片原稿的操作转换相关联,以消除常规复印设备中的曝光中固有的缺点 并且将用于复印厚原稿的扫描开始位置处的光学系统的第一和第二反射镜之间的距离设置为小于当光学系统处于静止位置时的距离,以减小复印设备的尺寸。