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(11)

EP 1 825 369 A1

(12)

(43) Date of publication: 29.08.2007 Bulletin 2007/35 (21) Application number: 05823207.5 (22) Date of filing: 08.12.2005

(51) International Patent Classification (IPC):  G06F 11/00(2006.01) H03M 13/41(2006.01) H04L 25/49(2006.01) H03K 7/02(2006.01) H03M 13/00(2006.01) H04B 14/02(2006.01) H03K 7/04(2006.01) H04B 1/69(2006.01) (86) International application number: PCT/IB2005/054141 (87) International publication number: WO 2006/061802 (15.06.2006 Gazette 2006/24)

(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: 10.12.2004 US 635217 P (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: GADDAM, Vasanth R. Briarcliff Manor, NY 10510-8001 (US) (74) Representative: Schouten, Marcus Maria et al Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)