(19)

(11)

EP 1 787 418 A1

(12)

(43) Date of publication: 23.05.2007 Bulletin 2007/21 (21) Application number: 05781240.6 (22) Date of filing: 24.08.2005

(51) International Patent Classification (IPC):  H04L 1/00(2006.01) H04L 12/28(2006.01) H04L 1/16(2006.01) (86) International application number: PCT/IB2005/052776 (87) International publication number: WO 2006/024993 (09.03.2006 Gazette 2006/10)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR (30) Priority: 30.08.2004 US 605620 P (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: WIENERT, Patrick Briarcliff Manor, NY 10510-8001 (US) DEL PRADO PAVON, Javier Briarcliff Manor, NY 10510-8001 (US) (74) Representative: Rolfes, Johannes Gerardus Albertus  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)