发明名称 Image processing apparatus
摘要 An image processing apparatus has analog image signal generator converter for converting an analog image signal generated by said analog image generator to a digital image signal, a comparator for comparing said image signal with a predetermined reference, and a controller for controlling the image signal in accordance with an output of the comparator to maintain a level or again of the image signal at a constant level.
申请公布号 US4748677(A) 申请公布日期 1988.05.31
申请号 US19850789839 申请日期 1985.10.21
申请人 CANON KABUSHIKI KAISHA 发明人 YOKOMIZO, YOSHIKAZU
分类号 H04N1/401;(IPC1-7):G06K9/38 主分类号 H04N1/401
代理机构 代理人
主权项
地址