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. 20, 2002
Filed:
Oct. 27, 2000
Applicant:
Inventors:
Joseph W. Niesen, La Mirada, CA (US);
Gerald J. Stiles, El Segundo, CA (US);
Assignee:
TRW Inc., Redondo Beach, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 3/52 ;
U.S. Cl.
CPC ...
G01S 3/52 ;
Abstract
An enhanced Doppler type direction finding system uses two antennas or antenna pairs ( & ) that are rotated in two mutually orthogonal circular paths ( & ) to intercept incoming RF from an emitting source, whose direction is to be determined.