Patent ID: 6747765
Filing Date: 2004-06-08
Classification: H04N

Abstract:
An image reading system comprising:(a) an illuminating unit which illuminates an original; (b) a reading unit which reads an image of the original illuminated by said illuminating unit; (c) a moving unit which causes said reading unit to move relative to the image in forward and backward directions; (d) a detection unit which detects at least one of a size of the original and a position of the original; and (e) a controller that controls said detection unit to detect the at least one of the size of the original and the position of the originals and said reading unit to read color information of the original when said moving unit moves said reading unit in the relatively forward direction, and that controls said reading unit to read color information of an area of the original when said moving unit moves said reading unit in the relatively backward direction, wherein the color information of the area of the original read during relative movement in the backward direction is not read by the reading unit during relative movement in the forward direction.