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:
Mar. 19, 2002
Filed:
Aug. 28, 2000
Applicant:
Inventors:
Hideo Taka, Yokohama, JP;
Takanobu Tsunemiya, Chigasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B 5/02 ;
U.S. Cl.
CPC ...
G03B 5/02 ;
Abstract
A camera or a lens barrel control apparatus of a type in which the locking or unlocking of the cover of a cartridge chamber is controlled by the position of a lens, includes a structure in which, when an abnormality occurs in a driving operation of the lens, or a situation in which the lens does not stop at a predetermined position occurs, the lens is forcibly driven to move to a position for locking or unlocking the cover of the cartridge chamber.