(19)

(11)

EP 1 452 009 A2

(12)

(88) Date of publication A3: 18.03.2004 (43) Date of publication: 01.09.2004 Bulletin 2004/36 (21) Application number: 02789409.6 (22) Date of filing: 04.11.2002

(51) International Patent Classification (IPC)7: H04N 1/00 (86) International application number: PCT/US2002/035338 (87) International publication number: WO 2003/041388 (15.05.2003 Gazette 2003/20)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR (30) Priority: 08.11.2001 US 8613 (71) Applicant: Rosum Corporation Redwood City, CA 94063 (US)	(72) Inventors: PIERCE, Matthew, D. San Francisco, CA 94117 (US) RABINOWITZ, Matthew Portola Valley, CA 94208 (US) (74) Representative: Harris, Ian Richard et al D. Young & Co.,21 New Fetter Lane London EC4A 1DA London EC4A 1DA (GB)