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:
Jun. 24, 2003
Filed:
Jan. 14, 2002
Francis Martinerie, Labarthe sur Leze, FR;
Jean-Marc Bassaler, Toulouse, FR;
Alcatel, Paris, FR;
Abstract
The invention provides a method of determining the location of one or more terrestrial transmitters by measuring the electromagnetic field vector at a plurality of instants from an antenna of a satellite. The propagation direction of the electromagnetic field and the location of the transmitter are determined on the basis of the measured vectors. The invention also provides methods of locating a terrestrial transmitter by using a plurality of optionally geostationary satellites. The invention also provides a satellite comprising an antenna and means for implementing such methods.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile