ENCRYPTED AND WATERMARKED TEMPOREL AND RESOLUTION LAYERING IN ADVANCED TELEVISION - Patent 1512286

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EP 1 512 286 A1

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(43)	Date of publication:
	09.03.2005 Bulletin 2005/10

(21)	Application number: 02747897.3

(22)	Date of filing: 13.06.2002

(51)	International Patent Classification (IPC)⁷: H04N 7/167

(86)	International application number:
	PCT/US2002/018884

(87)	International publication number:
	WO 2004/012455 (05.02.2004 Gazette 2004/06)

(84)	Designated Contracting States:
	AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
	Designated Extension States:
	AL LT LV MK RO SI

(71)	Applicant: Dolby Laboratories Licensing Corporation
	San FranciscoCalifornia 94103 (US)

(72)	Inventor:
	DEMOS, Gary, A. Culver City, CA 90232 (US)

(74)	Representative: Abnett, Richard Charles
	REDDIE & GROSE16 Theobalds Road London WC1X 8PL London WC1X 8PL (GB)

(54)	ENCRYPTED AND WATERMARKED TEMPOREL AND RESOLUTION LAYERING IN ADVANCED TELEVISION