(19)

(11)

EP 1 145 475 A1

(12)

(43) Date of publication: 17.10.2001 Bulletin 2001/42 (21) Application number: 00972686.0 (22) Date of filing: 05.10.2000

(51) International Patent Classification (IPC)7: H04L 1/06, H04L 25/03, H04N 5/21, H04N 5/44 (86) International application number: PCT/EP0009/766 (87) International publication number: WO 0130/011 (26.04.2001 Gazette 2001/17)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV MK RO SI (30) Priority: 21.10.1999 US 422733 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: MEEHAN, Joseph, P. NL-5656 AA Eindhoven (NL) (74) Representative: Deguelle, Wilhelmus Hendrikus Gerardus  INTERNATIONAAL OCTROOIBUREAU B.V.,Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)