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.
Patent No.:
Date of Patent:
Feb. 09, 2010
Filed:
Jul. 01, 2008
Applicants:
Hisashi Kawamoto, Chiba, JP;
Kazuya Shioda, Chiba, JP;
Phichet Numnual, Chiba, JP;
Inventors:
Assignee:
Seiko Precision, Inc., Chiba, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 9/00 (2006.01); G03B 9/04 (2006.01); G03B 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A shutter for an optical apparatus has multiple sectors and an operation member. Each of the multiple sectors has a cam opening for engagement and is pivotally provided to open and close a shutter opening, the operation member moves each of said multiple sectors in engagement with the cam opening, and the cam opening of at least one sector that is one of the multiple sectors is formed to change a moving direction of said at least one sector, when the operation member moves said at least one sector to a position to close the shutter opening.