The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 28, 2006

Filed:

Apr. 22, 2004
Applicants:

Raymond Chan, Kowloon, CN;

Yiu Hung LI, Kowloon, CN;

Nobuaki Higashi, Tokyo, JP;

Mikihiko Kato, Tokyo, JP;

Inventors:

Raymond Chan, Kowloon, CN;

Yiu Hung Li, Kowloon, CN;

Nobuaki Higashi, Tokyo, JP;

Mikihiko Kato, Tokyo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 13/06 (2006.01);
U.S. Cl.
CPC ...
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.


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