Diaphragm

Details Diaphragm Diaphragm

2005-08-18

2010-02-02

Fuller, Rodney E (Department: 2862)

Photography

Camera detail

Diaphragm

C396S507000

Reexamination Certificate

active

07654757

ABSTRACT:
A diaphragm comprising a single plate, the single plate comprising: a first plate portion having an aperture; and a second plate portion formed at an outer side of the first plate portion, wherein a first thickness of the first plate portion is thinner than a second thickness of the second plate portion.

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patent: 11-212138 (1999-08-01), None
patent: 11-305098 (1999-11-01), None
patent: 2002-202404 (2002-07-01), None

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