Electrostatic actuator, shutter device, imaging module, and...

Details Electrostatic actuator, shutter device, imaging module, and... Electrostatic actuator, shutter device, imaging module, and...

2006-02-09

2008-11-18

Perkey, W. B. (Department: 2862)

Photography

Camera detail

Shutter

Reexamination Certificate

active

07452143

ABSTRACT:
A shutter device comprising a fixed member which has a plurality of electrodes arranged on a surface, a light-transmitting region which is provided in the fixed member, a light-shielding member which is able to move between two positions where the light-transmitting region is closed and opened, respectively, and which have a plurality of electret parts, and a drive circuit which periodically applies a voltage to the electrodes provided on the fixed member, thereby to generate an electrostatic force acting on the electret parts of the light-shielding member and to drive the light-shielding member.

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Chinese Office Action for Chinese Patent Application No. 200480023950.0, mailed on May 9, 2008 (13 pgs.) (with English Translation (19 pgs.)).

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