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:
Apr. 06, 2021

Filed:

Sep. 29, 2017
Applicant:

Net Insight Intellectual Property Ab, Stockholm, SE;

Inventor:

Christer Bohm, Nacka, SE;

Assignee:

NET INSIGHT AB, Solna, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 21/242 (2011.01); H04J 3/06 (2006.01); H04N 21/2187 (2011.01);
U.S. Cl.
CPC ...
H04N 21/242 (2013.01); H04J 3/0667 (2013.01); H04J 3/0676 (2013.01); H04N 21/2187 (2013.01);
Abstract

There is provided a method in a communication network system of e.g. IP type for live distribution of media content capable of node-to-node time-transfer for synchronizing a respective local clock of an originating server and at least one client device or other server by means of two-way time transfer. The media content is sent as a data stream using unicast or multicast via respective communication links over a network. The method comprises employing a mode in which two-way time transfer is selectively provided, selectively meaning that two-way time transfer is employed such that the amount of per client specific time information being exchanged by the server and client devices is controlled, e.g. by time limiting the two-way time transfer, or during that mode reducing the occurrence of full two-way time transfer based synchronization of the client devices.


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