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:
Jan. 05, 1988
Filed:
Dec. 23, 1986
Applicant:
Inventors:
Albert Y Chang, Taipei, TW;
Yoji Miyasako, Yokohama, JP;
Assignee:
RCA Corporation, Princeton, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; H04N / ;
U.S. Cl.
CPC ...
358 34 ; 358 39 ; 358168 ; 358172 ;
Abstract
In a television receiver, the brightness of a displayed image is controlled in response to a reference voltage having a magnitude related both to the magnitude of a voltage derived from a viewer adjustable brightness control, and to the magnitude of the DC level of color information signals during image blanking intervals.