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:
Apr. 14, 1981
Filed:
Sep. 17, 1979
Applicant:
Inventor:
Douglas W Constable, Batavia, NY (US);
Assignee:
GTE Products Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358 28 ;
Abstract
In a VIR-responsive television receiver that also includes a manually-operated tint preference control, a circuit for indicating correct setting of that control. A comparator detects approximate equality between the VIR tint control voltage and the tint preference voltage. An LED, driven by the comparator, indicates the existence of this condition.