(19)
(11) EP 0 750 821 A1

(12)

(43) Date of publication:
02.01.1997 Bulletin 1997/01

(21) Application number: 94914715.0

(22) Date of filing: 18.03.1994
(51) International Patent Classification (IPC): 
H04H 1/ 00( . )
H04L 9/ 06( . )
H04H 1/ 02( . )
H04N 7/ 167( . )
(86) International application number:
PCT/US1994/002979
(87) International publication number:
WO 1995/026107 (28.09.1995 Gazette 1995/41)
(84) Designated Contracting States:
DE FR GB

(71) Applicant: THOMSON CONSUMER ELECTRONICS, INC.
Indianapolis, IN 46290-1024 (US)

(72) Inventor:
  • MURPHY, Peter, Michael
    Carmel, IN 46032 (US)

(74) Representative: Ruellan-Lemonnier, Brigitte, et al 
THOMSON Multimedia, 9 Place des Vosges La Défense 5
92050 Paris La Défense
92050 Paris La Défense (FR)

   


(54) DATA DECRYPTION APPARATUS IN A SUBSCRIPTION TELEVISION SIGNAL RECEIVING SYSTEM