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. 10, 1999
Filed:
Jan. 31, 1997
Applicant:
Inventor:
Gerard A Desjardins, Endicott, NY (US);
Assignee:
Lockheed Martin Corporation, Bethesda, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; G01S / ;
U.S. Cl.
CPC ...
342357 ; 701213 ;
Abstract
A Global Navigation Satellite System having user sets for computing position, velocity and time at each user set includes an arrangement for sampling and filtering an interfering signal or other signal of interest at each user set, a communication link to another user set to carry time-stamped signals representing filtered samples of the signal of interest together with position and velocity information of the user set and an arrangement for computing the location of the source of the signal of interest preferably contained in each user set from the transmitted information and similar locally developed information.