(19)

(11)

EP 1 719 330 A1

(12)

(43) Date of publication: 08.11.2006 Bulletin 2006/45 (21) Application number: 05703014.0 (22) Date of filing: 19.02.2005

(51) International Patent Classification (IPC):  H04L 29/08(2006.01) H04L 12/28(2006.01) (86) International application number: PCT/IB2005/050618 (87) International publication number: WO 2005/081498 (01.09.2005 Gazette 2005/35)

(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 MC NL PL PT RO SE SI SK TR (30) Priority: 19.02.2004 US 546387 P (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: GARG, Parag NL-5621 BA Eindhoven (NL) FREDERIKS, Guido NL-5621 BA Eindhoven (NL) GARG, Atul NL-5621 BA Eindhoven (NL) DAMODARAN, Satish NL-5621 BA Eindhoven (NL) (74) Representative: Eleveld, Koop Jan  Philips Intellectual Property & Standards, P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)