公开(公告)号：US4272182A

公开(公告)日：1981-06-09

申请号：US001060

申请日：1979-01-05

Applicant: Shunichi Abe ,  Mistuo Akiyama ,  Fumio Iwai ,  Hiroshi Kuru

Inventor： Shunichi Abe ,  Mistuo Akiyama ,  Fumio Iwai ,  Hiroshi Kuru

IPC: G03G15/00 ,  G03G15/06 ,  G03G15/08

CPC classification number: G03G15/065

Abstract: Apparatus for controlling the density of a reproduced image of an original to be copied in an electrophotographic copying machine by maintaining a fixed, predetermined image-developing bias voltage during development of a reference patch image and controlling the bias voltage in response to settings of image density selectors during the development of the original image.

Abstract translation: 用于通过在显影参考斑块图像期间保持固定的预定图像显影偏压来控制待复印在电子照相复印机中的原稿的再现图像的浓度的设备，并且响应于图像密度的设置来控制偏置电压 选择器在开发原始图像时。