(19)

(11)

EP 1 166 316 A1

(12)

(43) Date of publication: 02.01.2002 Bulletin 2002/01 (21) Application number: 00920554.3 (22) Date of filing: 23.03.2000

(51) International Patent Classification (IPC)7: H01J 29/76 (86) International application number: PCT/EP0002/580 (87) International publication number: WO 0057/447 (28.09.2000 Gazette 2000/39)

(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: 24.03.1999 FR 9903654 (71) Applicant: Thomson Licensing S.A. 92648 Boulogne Cedex (FR)	(72) Inventors: AZZI, Nacerdine 92648 Boulogne Cedex (FR) MASSON, Olivier 92648 Boulogne Cedex (FR) VOLATIER, Sébastien 92648 Boulogne Cedex (FR) (74) Representative: Ruellan-Lemonnier, Brigitte et al THOMSON multimedia, 46 quai A. Le Gallo 92648 Boulogne Cédex 92648 Boulogne Cédex (FR)