TRANSMARKING, WATERMARK EMBEDDING FUNCTIONS AS RENDERING COMMANDS, AND FEATURE-BASED WATERMARKING OF MULTIMEDIA SIGNALS - Patent 1266475

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EP 1 266 475 A1

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(43)	Date of publication:
	18.12.2002 Bulletin 2002/51

(21)	Application number: 01920399.1

(22)	Date of filing: 16.03.2001

(51)	International Patent Classification (IPC)⁷: H04K 1/00

(86)	International application number:
	PCT/US0108/315

(87)	International publication number:
	WO 0107/1960 (27.09.2001 Gazette 2001/39)

(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

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Priority:

18.03.2000 US 190481 P
02.05.2000 US 563664
21.12.2000 US 257822 P

(71)	Applicant: Digimarc Corporation
	Tualatin,Oregon 97062 (US)

(72)	Inventors:
	LEVY, Kenneth, L. Stevenson, WA 98648 (US) DECKER, Stephen, K. Lake Oswego, OR 97035 (US)

(74)	Representative: Meddle, Alan Leonard
	Forrester & BoehmertPettenkoferstrasse 20-22 80336 München 80336 München (DE)

(54)	TRANSMARKING, WATERMARK EMBEDDING FUNCTIONS AS RENDERING COMMANDS, AND FEATURE-BASED WATERMARKING OF MULTIMEDIA SIGNALS