| 摘要 |
PROBLEM TO BE SOLVED: To conduct accurate image composition without lengthening the image reading time. SOLUTION: In an image reading device for generating a second image signal by generating a first image signal by reading a first part A of an original 30, on the assumption that at least first and second image signals are composited at an image composition mode setting time and generating a second image signal by reading a second part B including a part duplicated from the first part, at an original holder 20 which holds the original 30 an image composition alignment mark 21 is provided at a position corresponding to the part read by duplicating, and the image of the alignment mark 21 is included in all the first and second image signals. COPYRIGHT: (C)2004,JPO
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