Photography – With viewfinder – Lens detail
Reexamination Certificate
2006-03-28
2006-03-28
Perkey, W. B. (Department: 2851)
Photography
With viewfinder
Lens detail
Reexamination Certificate
active
07020392
ABSTRACT:
An objective that is a concave lens and an ocular that is a convex lens are arranged in a finder housing with a predetermined space between them. The finder housing is molded of a black plastic material. A diaphragm portion is integrally formed inside an inner peripheral portion of the finder housing and between the objective and the ocular. The diaphragm portion is formed to be as large as a lens portion of the ocular. The diaphragm portion serves to block unwanted reflected light.
REFERENCES:
patent: 3377911 (1968-04-01), Mische et al.
patent: 3393623 (1968-07-01), Gutmann et al.
patent: 4279488 (1981-07-01), Hines
patent: 5899583 (1999-05-01), Alligood
patent: 6256063 (2001-07-01), Saito et al.
patent: 6397004 (2002-05-01), Kameyama et al.
patent: 6525767 (2003-02-01), Saito et al.
patent: 10-248029 (1998-09-01), None
Chan Raymond
Higashi Nobuaki
Kato Mikihiko
Li Yiu Hung
Birch,Stewart,Kolasch & Birch,LLP
Fuji Film Axia Co., Ltd
IDT Data System Limited
Perkey W. B.
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