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.

Date of Patent:
Sep. 21, 2010

Filed:

Feb. 05, 2004
Applicants:

Daniel Lecomte, Paris, FR;

Sebastien Georges, Paris, FR;

Inventors:

Daniel Lecomte, Paris, FR;

Sebastien Georges, Paris, FR;

Assignee:

Nagra France, , FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2006.01); H04L 9/00 (2006.01); H04K 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for distributing audiovisual sequences in accordance with a nominal stream format respecting a MPEG-2 TS norm including a succession of TS packets, including analyzing the stream made prior to transmitting to client equipment to generate a first stream in conformity with the MPEG-2 TS format, modifying all or part of the TS packets by substituting packets of the same structure, but whose content was modified, and generating a second stream of a format including digital information suitable for permitting reconstruction of the nominal stream, separately transmitting the two streams from a servers to the equipment, and a calculation is made on the equipment of a synthesis of a stream in nominal format as a function of the first stream and the second stream.


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