(19)

(11)

EP 1 097 590 A1

(12)

(43) Date of publication: 09.05.2001 Bulletin 2001/19 (21) Application number: 00925492.1 (22) Date of filing: 26.04.2000

(51) International Patent Classification (IPC)7: H04N 7/173, H04N 7/24, H04N 7/26 (86) International application number: PCT/GB0001/616 (87) International publication number: WO 0065/834 (02.11.2000 Gazette 2000/44)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 26.04.1999 GB 9909607 (71) Applicant: Telemedia Systems Limited Cambridge CB3 0RN (GB)	(72) Inventors: KING, Tony Richard Newnham,Cambridge CB3 9JW (GB) GLAUERT, Timothy Holroyd Little Shelford,Cambridge CB2 5EW (GB) (74) Representative: Langley, Peter James  Origin Limited,52 Muswell Hill Road London N10 3JR London N10 3JR (GB)