(19)
(11) EP 1 271 601 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION

(48) Corrigendum issued on:
02.04.2003 Bulletin 2003/14

(43) Date of publication:
02.01.2003 Bulletin 2003/01

(21) Application number: 02291545.8

(22) Date of filing: 20.06.2002
(51) International Patent Classification (IPC)7H01J 29/07
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 22.06.2001 IT MI20011319

(71) Applicant: Thomson Licensing S.A.
92100 Boulogne-Billancourt (FR)

(72) Inventors:
  • Tulli, M. Carlo
    00137 Roma (IT)
  • Cosma, M. Pedro Eugenio
    00144 Roma (IT)
  • Ginesti, M. Paolo
    00030 Gavignano (IT)
  • Masi, M. Alessio
    03023 Ceccano (IT)

(74) Representative: Ruellan-Lemonnier, Brigitte et al
THOMSON multimedia, 46 quai A. Le Gallo
92648 Boulogne Cédex
92648 Boulogne Cédex (FR)

   


(54) CRT having a tension mask with reinforcing support means


(57) Cathode-ray tube (1) comprising a frame/mask assembly for selecting colors having a mask (8) and a frame (19), the mask being held under tension by being attached to ends of long sides (9) of the frame, the frame/mask assembly being suspended inside the tube using support means (10) which are able to increase the mechanical rigidity of the frame by support means having longitudinal dimples (40) which cause the long sides of the frame to come together during the high-temperature manufacturing phases.