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. 19, 1986
Filed:
Mar. 08, 1984
Applicant:
Inventor:
Laurin C Freyberger, Bahlingen, DE;
Assignee:
ITT Industries, Inc., New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358242 ; 358243 ; 358 74 ; 358 10 ; 315382 ; 315 10 ;
Abstract
In a television receiver, a circuit is provided which automatically controls the focus voltage of the picture tube. The circuit uses a sensor to obtain focusing information from the picture tube wherein this information is processed by an alignment computer and a digital to analog converter which controls a blocking oscillator circuit to provide a focusing voltage.