| 摘要 |
PROBLEM TO BE SOLVED: To easily manufacture optical scanners of different specifications at low cost. SOLUTION: Either a 1st optical system of an over-field optical system or a 1st optical system of a different specification of un under-field optical system can be attached to a 1st case part 104 of an optical scanner, Therefore, the optical scanners are made to be of different specifications (over-field optical system and under-field optical system). That is, the optical scanners of different specifications can be manufactured very easily at low cost. COPYRIGHT: (C)2006,JPO&NCIPI
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