(19)

(11)

EP 1 815 394 A1

(12)

(43) Date of publication: 08.08.2007 Bulletin 2007/32 (21) Application number: 05818860.8 (22) Date of filing: 31.10.2005

(51) International Patent Classification (IPC):  G06K 9/20(2006.01) (86) International application number: PCT/IB2005/053551 (87) International publication number: WO 2006/051440 (18.05.2006 Gazette 2006/20)

(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: 11.11.2004 GB 0424889 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: PRESURA, Cristian Philips Int. Prop. & Standards Surrey RH1 5HA (GB) AKKERMANS, A. H. M. Philips Int. Prop. & Standards Surrey RH1 5HA (GB) (74) Representative: Schouten, Marcus Maria  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)