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:
Oct. 03, 2006
Filed:
Oct. 15, 2001
Applicant:
Pierre-andré Laurent, Bessancourt, FR;
Inventor:
Pierre-André Laurent, Bessancourt, FR;
Assignee:
Thales, Paris, FR;
Primary Examiner:
Int. Cl.
CPC ...
H04J 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method to provide continuity of service in a radio broadcasting system, wherein the radio broadcasting system includes at least one modem using the COFDM technique, and transmits N time-frequency cells modulated independently of one another. A number Nof cells conveying digital audio signal Sand a number Nof cells conveying analog audio signal Sare transmitted to a receiver. When the receiver cannot decode the signal in the Ncells, the receiver replaces the digitized audio signal Swith the analog signal S.