(19)

(11)

EP 0 970 565 A2

(12)

(88) Date of publication A3: 23.09.1999 (43) Date of publication: 12.01.2000 Bulletin 2000/02 (21) Application number: 99900237.1 (22) Date of filing: 21.01.1999

(51) International Patent Classification (IPC)7: H03M 1/12 (86) International application number: PCT/IB9900/092 (87) International publication number: WO 9939/440 (05.08.1999 Gazette 1999/31)

(84) Designated Contracting States: DE FR GB (30) Priority: 29.01.1998 EP 98200256 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: NUIJTEN, Petrus, A., C., 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)