An accumulation unit accumulates, in a 1-line element corresponding to the main scanning direction, an electrical signal prepared by photoelectrically converting optical image information obtained by scanning an original image to be formed with a carriage in the subscanning direction. A magnification...http://www.google.de/patents/US6700682?utm_source=gb-gplus-sharePatent US6700682 - Image processing system capable of easily changing subscanning magnification in image read
