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Patent Searching and Data


Title:
SHUTTER CHARGING DEVICE AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2013/057961
Kind Code:
A1
Abstract:
Provided is a shutter charging device for a focal plane shutter that can obtain a stable charge time and can improve frame speed during continuous imaging. A shutter charging device (1) carries out charging operations for a focal plane shutter device (2) provided with an aperture unit (21) and a front curtain blade (25) and rear curtain blade (24) that can shield the aperture (21). The shutter charging device is provided with a charging member (13) that drives the front curtain blade (25) and the rear curtain blade (24) in a prescribed sequence, a gear unit (40) that includes a drive gear (14) that drives the charging member (13) one sequence by carrying out one rotation and transmits rotation of a DC motor (19) to the charging member (13), and a lock lever (31) that stops the drive gear (14). The lock lever (31) operates so as to stop the drive gear (14) at a prescribed timing within one sequence.

Inventors:
SHINTANI DAI
Application Number:
PCT/JP2012/006724
Publication Date:
April 25, 2013
Filing Date:
October 19, 2012
Export Citation:
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Assignee:
PANASONIC CORP (JP)
International Classes:
G03B9/36
Foreign References:
JP2011001988A2011-01-06
JP2011158890A2011-08-18
JP2008053844A2008-03-06
JP2011197265A2011-10-06
JP2011013540A2011-01-20
Attorney, Agent or Firm:
Shinjyu Global IP (JP)
fresh green -- a global IP patent business corporation (JP)
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Claims: