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:
May. 29, 2001
Filed:
Jan. 05, 2000
Applicant:
Inventors:
Victor G. Mycynek, Des Plaines, IL (US);
Rudolf Turner, Hawthorn Woods, IL (US);
Assignee:
Zenith Electronics Corporation, Lincolnshire, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/52 ; H04N 5/455 ;
U.S. Cl.
CPC ...
H04N 5/52 ; H04N 5/455 ;
Abstract
An HDTV receiver includes an AGC system that develops an RF AGC voltage that is derived on an analog basis and an IF AGC voltage that is derived on a digital basis. The digital voltage is developed from an error signal that comprises the most significant bits of a continuously operated large accumulator that is supplied with the algebraically combined output of the digital signal and an AGC reference number.