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:
Jun. 30, 1992
Filed:
Feb. 22, 1991
Applicant:
Inventor:
Yoshihisa Maitani, Hachioji, JP;
Assignee:
Olympus Optical Company Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354442 ;
Abstract
A method and apparatus for effecting photometry in an automatic exposure camera includes the provision of photometric means which determines the brightness of an image field. Upon depression of an operating button, photometry is successively made of the brightness of an object being photographed, utilizing the photometric means, and corresponding photometric values are derived. Each successive value generated replaces the value previously generated. The last value generated is stored for subsequent use upon release of the operating button.