(19)

(11)

EP 0 968 611 A1

(12)

(43) Date of publication: 05.01.2000 Bulletin 2000/01 (21) Application number: 97921756.9 (22) Date of filing: 25.04.1997

(51) International Patent Classification (IPC)7: H04N 7/173, G06F 9/46 (86) International application number: PCT/EP9702/116 (87) International publication number: WO 9843/433 (01.10.1998 Gazette 1998/39)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE Designated Extension States: AL LT LV RO SI (30) Priority: 21.03.1997 EP 97400650 (71) Applicant: CANAL+ Société Anonyme 75711 Paris Cedex 15 (FR)	(72) Inventors: SARFATI, Jean-Claude F-93800 Epinay sur Seine (FR) MERIC, Jerome F-60300 Senlis (FR) DECLERCK, Christophe F-28210 Senantes (FR) (74) Representative: Cozens, Paul Dennis et al Mathys & Squire100 Grays Inn Road London WC1X 8AL London WC1X 8AL (GB)