(19)

(11)

EP 1 169 683 A2

(12)

(88) Date of publication A3: 25.10.2001 (43) Date of publication: 09.01.2002 Bulletin 2002/02 (21) Application number: 00967907.7 (22) Date of filing: 29.09.2000

(51) International Patent Classification (IPC)7: G06F 17/60 (86) International application number: PCT/EP0010/616 (87) International publication number: WO 0124/070 (05.04.2001 Gazette 2001/14)

(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: 30.09.1999 EP 99203185 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: DAEMS, Frank, C., H. NL-5656 AA Eindhoven (NL) (74) Representative: Schoenmaker, Maarten  Internationaal Octrooibureau B.V. Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)