| 摘要 |
PROBLEM TO BE SOLVED: To quickly remove dew condensation on an optical member, specially, a lens by efficiently cooling a substrate in an image reader. SOLUTION: A CCD, a signal processing substrate, and a lamp power supply substrate are covered with a metal cover to cut off noise and a fan is provided which blows air into the image reader through the metal cover as a flow passage. COPYRIGHT: (C)2004,JPO&NCIPI
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