| 摘要 |
PROBLEM TO BE SOLVED: To provide a camera with a shutter device in which high speed drive and high light shielding property are achieved. SOLUTION: An imaging module 20 comprises a shutter unit 21, an imaging unit 22, and a light shield unit 23. The shutter unit 21 has a front curtain 25a and a back curtain 25b, each having an electret. Stators 29a and 29g having drive electrodes 28a and 28b, respectively, and openings 27a and 27b, respectively, are disposed on the opposite faces of the electrets. The light shield unit 23 comprises: a light shield curtain 45 having an electret; and a stator 46 having an opening 46a and a drive electrode 48 disposed opposite the electret. A protective member 32 having a light transmissive part 31 is fixed to the front face of the light shield unit 23. COPYRIGHT: (C)2005,JPO&NCIPI
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