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:
Aug. 01, 2017

Filed:

Dec. 17, 2014
Applicants:

Enensys Technologies, Cesson Sevigne, FR;

Tdf, Montrouge, FR;

Inventors:

Ludovic Poulain, Rennes, FR;

Pascal Dupain, Montrouge, FR;

Assignees:

ENENSYS TECHNOLOGIES, Cesson Sevigne, FR;

TDF, Montrouge, FR;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04N 7/173 (2011.01); H04N 21/236 (2011.01); H04N 21/234 (2011.01); H04N 21/23 (2011.01); H04H 20/67 (2008.01); H04H 60/40 (2008.01); H04N 21/61 (2011.01);
U.S. Cl.
CPC ...
H04N 21/23608 (2013.01); H04H 20/67 (2013.01); H04H 60/40 (2013.01); H04N 21/23 (2013.01); H04N 21/234 (2013.01); H04N 21/23424 (2013.01); H04N 21/23611 (2013.01); H04N 21/6193 (2013.01);
Abstract

A method for generating time marking for synchronous terrestrial broadcasting in at least one single-frequency zone of at least one audiovisual stream via at least one connection in which the at least one audiovisual stream is multiplexed with at least one other audiovisual stream broadcast via the at least one connection, the method including: inserting packets including at least one item of information representing a common reference clock, detecting at least one packet including information representing the number of days elapsed since a predetermined date, calculating the number of loopbacks of a counter during a given period, updating the counter at each packet of the audiovisual stream transmitted, inserting at least one packet including the value of the updated counter in the audiovisual stream in order to form a modified audiovisual stream and transmitting the modified audiovisual stream.


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