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:
Dec. 21, 1993
Filed:
Nov. 12, 1991
Applicant:
Inventor:
Shingo Tatsumi, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 29 ; 358 41 ;
Abstract
There is provided a video camera which, when a white balance of a plurality of color signals is controlled according to color temperature information, the plurality of color signals are selectively reversed depending on a negative mode or a positive mode, and a control characteristic is changed between first and second control characteristics having different white balance control ranges, so that the white balance can be automatically controlled in either the negative or positive mode.