Photography – Having variable focal length of camera objective – Having direct viewfinder
Reexamination Certificate
2005-12-06
2005-12-06
Perkey, W. B. (Department: 2851)
Photography
Having variable focal length of camera objective
Having direct viewfinder
C396S085000, C396S379000
Reexamination Certificate
active
06973261
ABSTRACT:
A camera can reduce the size of the camera. The camera comprises a lens barrel which allows the focal length of an image-taking optical system to be changed, a view finder unit for observing an object image, a cam member having a cam for driving the view finder unit, which moves around the lens barrel in a first area and a barrel driving mechanism which is arranged around the lens barrel in a second area and drives the lens barrel.
REFERENCES:
patent: 4967219 (1990-10-01), Morisawa et al.
patent: 5083146 (1992-01-01), Ueda
patent: H9-211300 (1997-08-01), None
patent: 2001-324749 (2001-11-01), None
Canon Kabushiki Kaisha
Cowan Liebowitz & Latman P.C.
Perkey W. B.
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