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. 25, 1998
Filed:
Feb. 28, 1996
Applicant:
Inventor:
Guy Lesthievent, Portet/Garonne, FR;
Assignee:
Centre National d'Etudes Spatiales, Paris Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
H04B / ; G01S / ;
U.S. Cl.
CPC ...
342357 ; 701213 ;
Abstract
The method of the invention is mixed and uses, in the forward link, the measurement of the phase of tones modulating a carrier and, in the backward link, a spectrum spread by pseudonoise code, which makes it possible to date the reception of the message. Application to the location of miscellaneous moving objects (land, sea, air, etc.).