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. 03, 1987
Filed:
Oct. 04, 1984
Applicant:
Inventors:
Alain Carof, Paris, FR;
Maurice Marchand, Sevran, FR;
Assignee:
LMT Radio Professionnelle, Boulogne Billancourt, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S / ;
U.S. Cl.
CPC ...
342-6 ; 342 51 ;
Abstract
The invention concerns beacons associated to radars. It consists in modulating the re-emitted signal, in phase by the frequency of a vocal signal, and in amplitude by the envelope of this signal. It allows vocal transmission between such a signal and a Doppler radar.
Carof, Alain. (1987). Passive radar responder (U.S. Patent No. 4647930). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4647930
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