Photography – Camera detail – Shutter
Reexamination Certificate
2011-04-12
2011-04-12
Perkey, W. B. (Department: 2862)
Photography
Camera detail
Shutter
Reexamination Certificate
active
07922403
ABSTRACT:
A blade driving apparatus for cameras includes a base plate having an aperture section for a photographing optical path; a partition plate having an aperture section for the photographing optical path so that a blade chamber is interposed between the base plate and the partition plate; a cover frame having an actuator chamber between the partition plate and the cover frame; a permanent magnet rotor rotatably mounted on the cover frame so that an output pin is introduced into the blade chamber; a yoke in which tops of two legs constructed as magnetic pole sections are opposite to the peripheral surface of the rotor in the actuator chamber and one of the two legs is fitted into a bobbin around which a coil is wound; and at least one blade rotatably mounted to a shank for at least one blade which is set upright on the cover frame and is introduced into the blade chamber, and introduced into, and removed from, the exposure aperture by the output pin.
REFERENCES:
patent: 6269226 (2001-07-01), Aoshima
patent: 6331741 (2001-12-01), Suzuki
patent: 6554502 (2003-04-01), Naganuma
patent: 6796729 (2004-09-01), Mizukami et al.
patent: 2002/0197077 (2002-12-01), Eguro
patent: 2004/0062542 (2004-04-01), Watanabe
patent: 2004/0126106 (2004-07-01), Horiike
patent: 2005/0286889 (2005-12-01), Kihara
patent: 2007/0077061 (2007-04-01), Watanabe et al.
patent: 2007/0172231 (2007-07-01), Durfee
patent: 2007/0201866 (2007-08-01), Kihara
patent: 2001-188275 (2001-07-01), None
patent: 2002-139765 (2002-05-01), None
patent: 2005-156616 (2005-06-01), None
Nidec Copal Corporation
Perkey W. B.
Sterne Kessler Goldstein & Fox P.L.L.C.
LandOfFree
Blade driving apparatus for 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 Blade driving apparatus for cameras, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Blade driving apparatus for cameras will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2641403