(19)

(11)

EP 0 896 720 A2

(12)

(43) Date of publication: 17.02.1999 Bulletin 1999/07 (21) Application number: 98902148.0 (22) Date of filing: 23.02.1998

(51) International Patent Classification (IPC):  G11C 29/ 00( . ) G11C 29/ 36( . ) G11C 29/ 10( . ) (86) International application number: PCT/IB1998/000217 (87) International publication number: WO 1998/039777 (11.09.1998 Gazette 1998/36)

(84) Designated Contracting States: DE FR GB IT NL (30) Priority: 04.03.1997 EP 19970200636 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventors: LOUSBERG, Guillaume, Elisabeth, Andreas NL-5656 AA Eindhoven (NL) VERSTRAELEN, Martinus, Johannes, Wilhelmina NL-5656 AA Eindhoven (NL) (74) Representative: Koppen, Jan, et al  INTERNATIONAAL OCTROOIBUREAU B.V., Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)