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 a gain of the image signal at a constant level.
申请公布号 US4589034(A) 申请公布日期 1986.05.13
申请号 US19810326269 申请日期 1981.12.01
申请人 CANON KABUSHIKI KAISHA 发明人 YOKOMIZO, YOSHIKAZU
分类号 H04N1/401;(IPC1-7):H04N1/40 主分类号 H04N1/401
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