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. 21, 1979
Filed:
Mar. 13, 1978
Applicant:
Inventor:
Arthur P Geffon, Sunnyvale, CA (US);
Assignee:
Sperry Rand Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
328150 ; 307354 ; 307362 ;
Abstract
A circuit for accurately detecting the zero crossing points of a data signal. Noise in the signal is eliminated by deleting all noise present on the signal having an amplitude or a width less than a predetermined value prior to detecting the crossover points.