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:
Jan. 13, 1981
Filed:
Apr. 27, 1979
Applicant:
Inventors:
Ronald W Kipp, Croydon Manor, PA (US);
Henry C Johnson, Neshanic, NJ (US);
Assignee:
RCA Corporation, New York, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G01S / ;
U.S. Cl.
CPC ...
343 177 ; 343 / ;
Abstract
A frequency-modulated continuous wave (FM-CW) ranging system for determining the range of a target includes apparatus which utilizes a target simulating delay line and target illuminating antenna, alternately switched to a difference frequency determining circuit and a scaling device to compensate for undesired changes of the FM modulation waveform.