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:
Nov. 17, 1992
Filed:
Oct. 07, 1991
Applicant:
Inventors:
Duane G Fredericks, Lockport, NY (US);
Herbert W Rosebrock, N. Tonawanda, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S / ;
U.S. Cl.
CPC ...
342172 ; 342187 ;
Abstract
An active radar target device is disclosed. This device contains a means receiving a radar signal, a means for decreasing the frequency of the radar signal received, at least one means for delaying the reduced frequency radar signal, means for increasing the frequency of the delayed signal, and means of modulating the delayed signal. The modulated and delayed signal is transmitted to an antenna, from which it may be radiated to a radar detector.