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. 26, 1980
Filed:
Mar. 05, 1979
Applicant:
Inventors:
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 29 ;
Abstract
A white balance control circuit for an encoded composite color television signal is disclosed in which three primary color signals of green (G), blue (B) and red (R) are matrixed to be mixed color signal components, color difference signals of R-G and B-G are provided from the mixed color signal components, and gain control circuits provided on the signal transmission paths of two primary color signals of R and B are so controlled in their gains that the color difference signals become zero, when the white balance adjustment is done.