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:
Sep. 17, 1996
Filed:
Mar. 09, 1994
Applicant:
Inventor:
Toshifumi Ohsawa, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354484 ; 354286 ;
Abstract
This invention relates to a battery check circuit of a camera which mounts, e.g., an interchangeable lens. In this invention, the number of motors in the interchangeable lens is informed to the camera via a communication, and a battery check level according to the number of motors is automatically set, thereby performing a high-precision battery check operation.
Ohsawa, Toshifumi. (1996). Camera attached with auxiliary device (U.S. Patent No. 5557365). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5557365
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