(19)

(11)

EP 1 159 728 A1

(12)

(43) Date of publication: 05.12.2001 Bulletin 2001/49 (21) Application number: 00979618.6 (22) Date of filing: 23.11.2000

(51) International Patent Classification (IPC)7: G09G 3/34 (86) International application number: PCT/EP0011/651 (87) International publication number: WO 0143/113 (14.06.2001 Gazette 2001/24)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR (30) Priority: 09.12.1999 US 456690 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: MARSHALL, Thomas, M. NL-5656 AA Eindhoven (NL) PASHLEY, Michael, D. NL-5656 AA Eindhoven (NL) HERMAN, Stephen NL-5656 AA Eindhoven (NL) (74) Representative: Baele, Ingrid Albertina F.M.  Internatinaal Octrooibureau B.V.,P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)