发明名称 Image reading apparatus having different reading speeds
摘要 An image reading apparatus having different reading speeds includes carrying structure for carrying an original at one of first and second speeds, the first speed being lower than the second speed. Reading circuitry is provided for reading an image from at least one of the front face and the rear face of the original being carried by the carrying structure, and for supplying an image signal representing the read image. Control circuitry is provided for changing the speed of the carrying means. In one aspect, the speed is changed depending upon whether one face or both faces of the original are to be read. According to another aspect, a level of the image signal representing the read image is changed depending upon the speed of the carrying structure.
申请公布号 US5392135(A) 申请公布日期 1995.02.21
申请号 US19910766020 申请日期 1991.09.26
申请人 CANON KABUSHIKI KAISHA 发明人 AMEMIYA, MASAMI
分类号 H04N1/00;H04N1/04;H04N1/203;H04N1/32;(IPC1-7):H04N1/04;G03B27/32;G03B27/72 主分类号 H04N1/00
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