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. 06, 2001
Filed:
Oct. 31, 1990
Applicant:
Inventors:
Yoshihiko Aihara, Kanagawa-ken, JP;
Masayoshi Yamamichi, Kanagawa-ken, JP;
Masahisa Fujino, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 7/00 ;
U.S. Cl.
CPC ...
C03B 7/00 ;
Abstract
A camera system includes a camera body and a lens in which a motor circuit and an electric circuit are arranged and are supplied with electric power from a power source in the camera body. Ground contact terminals for the motor circuit and the electric circuit are separately arranged in the lens, and the motor circuit and the electric circuit are electrically connected to the power source negative terminal through the separate ground contact terminals.