(19)

(11)

EP 1 141 808 A1

(12)

(43) Date of publication: 10.10.2001 Bulletin 2001/41 (21) Application number: 00972806.4 (22) Date of filing: 18.10.2000

(51) International Patent Classification (IPC)7: G06F 1/00 (86) International application number: PCT/EP0010/285 (87) International publication number: WO 0133/317 (10.05.2001 Gazette 2001/19)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 29.10.1999 US 162503 P 11.08.2000 US 636724 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: EPSTEIN, Michael, A. NL-5656 AA Eindhoven (NL) STARING, Antonius, A., M. NL-5656 AA Eindhoven (NL) (74) Representative: Groenendaal, Antonius Wilhelmus Maria  INTERNATIONAAL OCTROOIBUREAU B.V.,Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)