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. 13, 1991
Filed:
May. 11, 1989
Applicant:
Inventors:
Koji Hata, Osaka, JP;
Shinichi Nishimura, Osaka, JP;
Toshihiko Ishimura, Osaka, JP;
Takehiro Katoh, Osaka, JP;
Yasuteru Yamano, Osaka, JP;
Masaaki Nakai, Osaka, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354402 ; 354429 ;
Abstract
A camera system, having a plurality of light measuring regions respectively corresponding to focus detecting regions, which includes a device for calculating luminance of an object based on measured light values of the light measuring regions and a device for altering the focus detecting regions.