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:
Jan. 18, 1994
Filed:
Apr. 15, 1992
Applicant:
Inventors:
Osamu Sato, Tokyo, JP;
Satoshi Nakano, Tokyo, JP;
Isamu Hirai, Tokyo, JP;
Toshiyuki Kitazawa, Tokyo, JP;
Takayuki Sensui, Tokyo, JP;
Masato Yamamoto, Tokyo, JP;
Toshimasa Yamanaka, Tokyo, JP;
Takenao Shishikura, Tokyo, JP;
Akio Takahashi, Tokyo, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354442 ; 35428912 ;
Abstract
An exposure control apparatus of a camera, in which at least one of a pair of exposure factors that include a shutter speed and a diaphragm value is variable. An exposure factor setting device sets at least one variable exposure factor, while a limit value setting device varies and sets at least one upper and lower limit value of the exposure factor.