(19)

(11)

EP 1 293 081 A2

(12)

(88) Date of publication A3: 21.11.2002 (43) Date of publication: 19.03.2003 Bulletin 2003/12 (21) Application number: 01965096.9 (22) Date of filing: 09.07.2001

(51) International Patent Classification (IPC)7: H04L 29/06, H04L 12/66, H04L 12/28 (86) International application number: PCT/EP0107/898 (87) International publication number: WO 0200/9384 (31.01.2002 Gazette 2002/05)

(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: 25.07.2000 US 624648 (71) Applicant: Koninklijke Philips Electronics N.V. 5621 BA Eindhoven (NL)	(72) Inventor: MOONEN, Jan, R. NL-5656 AA Eindhoven (NL) (74) Representative: Groenendaal, Antonius Wilhelmus Maria et al INTERNATIONAAL OCTROOIBUREAU B.V.,Prof. Holstlaan 6 5656 AA Eindhoven 5656 AA Eindhoven (NL)