(19)

(11)

EP 1 803 069 A2

(12)

(43) Date of publication: 04.07.2007 Bulletin 2007/27 (21) Application number: 05797879.3 (22) Date of filing: 29.09.2005

(51) International Patent Classification (IPC):  G06F 17/15(2006.01) (86) International application number: PCT/IB2005/053211 (87) International publication number: WO 2006/040703 (20.04.2006 Gazette 2006/16)

(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 Designated Extension States: AL BA HR MK YU (30) Priority: 12.10.2004 CN 200410085687 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: SUN, Yanmeng Philips Electronics China Shanghai 200070 (CN) WU, Fan Philips Electronics China Shanghai 200070 (CN) (74) Representative: Ledeboer, Johannes Albertus  Philips Intellectual Property & Standards Postbus 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)