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:
Dec. 16, 1997
Filed:
Aug. 02, 1996
Applicant:
Inventor:
Gary J Sgrignoli, Mt. Prospect, IL (US);
Assignee:
Zenith Electronics Corporation, Glenview, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03D / ; H04L / ;
U.S. Cl.
CPC ...
329350 ; 329357 ; 375317 ; 375321 ; 455204 ;
Abstract
A DC offset measurement and compensation circuit includes a switch arrangement for establishing a zero carrier condition in the circuit. The circuit output is integrated to develop any DC offsets, which are converted to analog form and subtracted from the signal output. A reference may also be subtracted to establish a base digital level for the output.