(19)

(11)

EP 1 537 481 A1

(12)

(43) Date of publication: 08.06.2005 Bulletin 2005/23 (21) Application number: 02765220.5 (22) Date of filing: 06.09.2002

(51) International Patent Classification (IPC)7: G06F 11/00, G11B 20/18 (86) International application number: PCT/IB2002/003720 (87) International publication number: WO 2004/023303 (18.03.2004 Gazette 2004/12)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: LI, Hong NL-5656 AA Eindhoven (NL) LAMBERT, Nicolaas NL-5656 AA Eindhoven (NL) JOCHEMSEN, Robert NL-5656 AA Eindhoven (NL) WIJNANDS, Rudi, J., M. NL-5656 AA Eindhoven (NL) MESUT, Ozcan NL-5656 AA Eindhoven (NL) (74) Representative: Groenendaal, Antonius Wilhelmus Maria  PhilipsIntellectual Property & StandardsP.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)