Photography – Camera detail – Shutter
Reexamination Certificate
2007-02-20
2007-02-20
Perkey, W. B. (Department: 2851)
Photography
Camera detail
Shutter
C396S486000, C396S489000
Reexamination Certificate
active
10945114
ABSTRACT:
A drive member attached to the output shaft of a DC motor placed on a shutter base board includes a drive pin connected to the arm of a shutter blade within a blade chamber for driving the shutter blade to open and close an exposure opening with the reciprocal rotation of the DC motor. A brake member rotatably attached to the shutter base board and having a frictional force applied thereto by a spring washer brakes the rotation of the drive member when a bent portion is pushed by the drive pin to rotate.
REFERENCES:
patent: 4290682 (1981-09-01), Saito et al.
patent: 4407574 (1983-10-01), Tomino et al.
patent: 4657366 (1987-04-01), Tanabe et al.
patent: 6089760 (2000-07-01), Terada
patent: 6536962 (2003-03-01), Takahashi
patent: 6547457 (2003-04-01), Yaginuma et al.
patent: 6726379 (2004-04-01), Watabe et al.
patent: 2002/0006285 (2002-01-01), Takahashi
patent: 06-308570 (1994-11-01), None
patent: 10-003108 (1998-01-01), None
patent: 11-122542 (1999-04-01), None
patent: 2002-287210 (2002-10-01), None
patent: 2003-107559 (2003-04-01), None
Takahashi Shigemi
Usuda Yuichirou
Nidec Copal Corporation
Perkey W. B.
Smith Gambrell & Russell
Suthar Rishi
LandOfFree
Focal plane shutter for digital still cameras does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Focal plane shutter for digital still cameras, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Focal plane shutter for digital still cameras will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3841309