| 摘要 |
PROBLEM TO BE SOLVED: To more faithfully read a read object image. SOLUTION: A CPU 16 controls an optical unit movement control part 15, a signal processing part 13, etc., in accordance with a prescribed program expanded in a main memory 19, and for example, a value obtained by dividing an integral time corresponding to one line in the subscanning direction by 2<n> is used as a new integral time, and (2<n>×Y)th (Y=0, 1, 2, 3,...) lines are made effective, and the other lines are made ineffective and are read and abandoned.
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