(19)

(11)

EP 1 000 424 A2

(12)

(88) Date of publication A3: 17.02.2000 (43) Date of publication: 17.05.2000 Bulletin 2000/20 (21) Application number: 99921038.8 (22) Date of filing: 27.05.1999

(51) International Patent Classification (IPC)7: G11B 7/0037, G11B 7/24 (86) International application number: PCT/IB9900/958 (87) International publication number: WO 9962/061 (02.12.1999 Gazette 1999/48)

(84) Designated Contracting States: DE FR GB (30) Priority: 27.05.1998 EP 98201771 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: SPRUIT, Johannes, H., M. NL-5656 AA Eindhoven (NL) DUCHATEAU, Johan, P., W., B. NL-5656 AA Eindhoven (NL) (74) Representative: Visser, Derk  INTERNATIONAAL OCTROOIBUREAU B.V.,Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)