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Patent Searching and Data


Title:
SHUTTER APPARATUS
Document Type and Number:
Japanese Patent JP2005148241
Kind Code:
A
Abstract:

To miniaturize a shutter, and also, to accurately control the drive of the shutter.

The shutter apparatus is provided with: a shutter mechanism (11); driving parts (12 and 51c) for driving the shutter mechanism; a power supply part 13 for supplying power to the driving parts; a band-pass limiting part (14) for obtaining a driving voltage for the driving parts; and a camera microcomputer (10) for detecting the operating state of the shutter mechanism based on a change in the driving voltage.


Inventors:
WASHISU KOICHI
Application Number:
JP2003383036A
Publication Date:
June 09, 2005
Filing Date:
November 12, 2003
Export Citation:
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Assignee:
CANON KK
International Classes:
G03B7/093; G03B7/26; G03B9/10; (IPC1-7): G03B9/10; G03B7/093; G03B7/26
Attorney, Agent or Firm:
Yasunori Otsuka
Shiro Takayanagi
Yasuhiro Otsuka
Shuji Kimura