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. 06, 1982
Filed:
Oct. 06, 1980
Applicant:
Inventor:
Daniel L Reneau, Elmhurst, IL (US);
Assignee:
Zenith Radio Corporation, Glenview, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358171 ; 358174 ; 358176 ; 358184 ;
Abstract
Disclosed is a DC-coupled video amplifier with AGC feedback having a stable operating point. Shifting of sync tip DC level resulting in a loss of synchronization of the video signal is compensated for by means of a feedback loop in the video amplifier thus providing a level video output signal.