Invention Grant
- Patent Title: Focal plane shutter device and imaging device
- Patent Title (中): 焦平面快门装置和成像装置
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Application No.: US13005517Application Date: 2011-01-12
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Publication No.: US08348526B2Publication Date: 2013-01-08
- Inventor: Dai Shintani
- Applicant: Dai Shintani
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Shinjyu Global IP
- Priority: JP2010-006593 20100115; JP2010-123986 20100531; JP2011-001299 20110106
- Main IPC: G03B19/12
- IPC: G03B19/12 ; G03B9/08 ; G03B9/40

Abstract:
A focal plane shutter device includes a shutter base plate having an opening part, a front curtain, a first elastic member, a rear curtain, a second elastic member, and a drive unit. The front curtain is movable between a first and second position to cover and uncover the opening. The first urging member is configured to move the front curtain between the first and second positions. The rear curtain is movable between a first and second position to cover and uncover the opening. The second urging member is configured to move the rear curtain between the first and second positions. The drive unit is configured to resist the first and second urging members. The drive unit is also configured to hold the front curtain at the second position when resisting the first urging member and hold the rear curtain at the first position when resisting the second urging member.
Public/Granted literature
- US20110176799A1 FOCAL PLANE SHUTTER DEVICE AND IMAGING DEVICE Public/Granted day:2011-07-21
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