A SYSTEM AND METHOD FOR GROUPING PROGRAM IDENTIFIERS INTO MULTICAST GROUPS - Patent 1941728

(19)

(11)

EP 1 941 728 A1

(12)

(43)	Date of publication:
	09.07.2008 Bulletin 2008/28

(21)	Application number: 05818206.4

(22)	Date of filing: 26.10.2005

(51)

International Patent Classification (IPC):

H04N 7/20^(2006.01)

(86)	International application number:
	PCT/US2005/038990

(87)	International publication number:
	WO 2007/050080 (03.05.2007 Gazette 2007/18)

(84)	Designated Contracting States:
	DE FR GB

(71)	Applicant: Thomson Licensing
	92100 Boulogne-Billancourt (FR)

(72)	Inventors:
	GUTKNECHT, Gary Robert Noblesville, Indiana 46062 (US) WEBER, Barry Jay Carmel, Indiana 46033 (US)

(74)	Representative: Ruellan-Lemonnier, Brigitte
	Thomson European Patent Operations 46 Quai Alphonse Le Gallo 92648 Boulogne Cedex 92648 Boulogne Cedex (FR)

(54)	A SYSTEM AND METHOD FOR GROUPING PROGRAM IDENTIFIERS INTO MULTICAST GROUPS