Photography – Camera detail – Diaphragm shutter unit
Reexamination Certificate
2007-06-05
2007-06-05
Perkey, W. B. (Department: 2851)
Photography
Camera detail
Diaphragm shutter unit
C396S458000, C396S462000, C396S493000
Reexamination Certificate
active
11069223
ABSTRACT:
A miniaturized lens assembly includes a front lens portion, a rear lens portion, a large diaphragm plate mounted between the front and rear lens portions, a small diaphragm plate rotatable relative to the large diaphragm plate, a shutter plate rotatable relative to the large diaphragm plate, first and second actuating elements mounted on the rear lens portion, and two pivot axles mounted between the front and rear lens portions. The miniaturized lens assembly is miniature in size, is simple in structure, and is easy to assemble.
REFERENCES:
patent: 5083149 (1992-01-01), Kudo et al.
patent: 5997187 (1999-12-01), Hamasaki
patent: 6585429 (2003-07-01), Yaginuma et al.
patent: 6767146 (2004-07-01), Nishimoto
patent: 6835006 (2004-12-01), Tanaka et al.
Asia Optical Co. Inc.
Ladas & Parry LLP
Perkey W. B.
Suthar Rishi S.
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