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. 04, 1990
Filed:
Sep. 13, 1989
Applicant:
Inventors:
Satoshi Ejima, Tokyo, JP;
Tetsuya Yamamoto, Hasuda, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358228 ; 35821319 ;
Abstract
An electric still camera is provided with a device for varying the gain of an image signal amplifying circuit in response to the excess or deficiency of the amount of light from a flash unit, before the image signal is recorded.