发明名称 Image forming apparatus
摘要 An image forming apparatus comprising an original table for holding an original document and an area designation sheet, the area designation sheet to be read a surrounded area written thereon to designate a copy required area of the original document, a scanner for optically scanning the area designation sheet placed on the original table to obtain a light image of the surrounded area therefrom, a optical reading unit for generating electrical signals in response to the light image of the surrounded area corresponding to the required copy area designated on the area designation sheet, a memory for storing the electrical signals generated by the optical reading unit, a charge erasing unit for erasing selected portions of the electrostatic charge on the image carrier, and a controller for controlling the charge erasing unit to erase the electrostatic charge on the image carrier than in the copy required area to be copied, according to the electrical signals read from the memory.
申请公布号 US4720750(A) 申请公布日期 1988.01.19
申请号 US19870012441 申请日期 1987.02.09
申请人 KABUSHIKI KAISHA TOSHIBA 发明人 WATANABE, JUNJI
分类号 G03G15/36;(IPC1-7):G03G15/052 主分类号 G03G15/36
代理机构 代理人
主权项
地址