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:
Mar. 23, 1982
Filed:
Jul. 07, 1980
Applicant:
Inventor:
Ronald W Kipp, Croydon, PA (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G01S / ;
U.S. Cl.
CPC ...
343 14 ; 307520 ; 328167 ; 343 / ;
Abstract
The performance of a frequency-tracking filter comprising a phase-locked loop synchronized by square-wave output signal from a limiter amplifier is improved during interruptions in that signal by interposing a level discriminator between the limiter amplifier and the phase comparator element of the phase-locked loop.