(19)

(11)

EP 0 742 983 A1

(12)

(43) Date of publication: 20.11.1996 Bulletin 1996/47 (21) Application number: 95907091.0 (22) Date of filing: 02.02.1995

(51) International Patent Classification (IPC):  H04N 7/ 32( . ) H04N 5/ 14( . ) H03M 7/ 36( . ) H04N 7/ 46( . ) (86) International application number: PCT/GB1995/000207 (87) International publication number: WO 1995/021503 (10.08.1995 Gazette 1995/34)

(84) Designated Contracting States: BE DE FR GB IT (30) Priority: 02.02.1994 GB 19940001989 (71) Applicant: BRITISH BROADCASTING CORPORATION London W1A 1AA (GB)	(72) Inventor: SARGINSON, Peter London W1A 1AA (GB) (74) Representative: Garratt, Peter Douglas, et al  Mathys & Squire 100 Grays Inn Road London WC1X 8AL London WC1X 8AL (GB)