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:
Jan. 17, 2006
Filed:
Dec. 21, 1999
Applicants:
Christophe Boulanger, Ivry-sur-Seine, FR;
Laurent Ouvry, Grenoble, FR;
Bernard Piaget, Venon, FR;
Didier Lattard, Rencurel, FR;
Inventors:
Christophe Boulanger, Ivry-sur-Seine, FR;
Laurent Ouvry, Grenoble, FR;
Bernard Piaget, Venon, FR;
Didier Lattard, Rencurel, FR;
Assignee:
Commissariat a l'Energie Atomique, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 1/69 (2006.01); H04B 1/707 (2006.01); H04B 1/713 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for receiving spectrum spreading signals with frequency shift correct in which the modulation period related to the Doppler effect is estimated by using a preamble and a correction signal is elaborated, the signal transmitting the information is then corrected by this correction signal.