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:
Aug. 30, 2005
Filed:
Feb. 23, 2004
Applicant:
Toshiyuki Yasuda, Saitama, JP;
Inventor:
Toshiyuki Yasuda, Saitama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B013/10 ;
U.S. Cl.
CPC ...
Abstract
A camera which causes a lens unit to move accurately through a cam member is disclosed. The camera comprises a lens unit with movable lenses making up a view finder optical system, a cam member having a cam which engages with the lens unit for driving the lens unit in conjunction with the operation of the image-taking optical system, a first bias member which biases the cam member in one of moving directions of the cam member, and a second bias member which biases the lens unit so as to contact the cam surface.