Title (en)

MULTIMEDIA DIGITAL TERMINAL AND DETACHABLE MODULE COOPERATING WITH THE TERMINAL COMPRISING AN INTERFACE PROTECTED AGAINST COPYING

Title (de)

DIGITALES MULTIMEDIAENDGERÄT UND MIT DEM ENDGERÄT ZUSAMMENARBEITENDES ABNEHMBARES MODUL MIT KOPIERGESCHÜTZTER SCHNITTSTELLE

Title (fr)

TERMINAL NUMERIQUE MULTIMEDIA ET MODULE DETACHABLE COOPERANT AVEC LE TERMINAL COMPRENANT UNE INTERFACE PROTEGEE CONTRE LA COPIE

Publication

EP 1214840 A1 20020619 (EN)

Application

EP 00960548 A 20000830

Priority

• EP 0008439 W 20000830
• FR 9911901 A 19990923

Abstract (en)

[origin: WO0122724A1] The terminal (1) receives a scrambled data stream (TS(D.EMB.)) in which the control words (CW) having served to scramble the data are transmitted in encrypted form. It transmits, via a first interface (ITTS), this stream to a detachable module (2) containing the conditional access system specific to the service provider supplying the data. The module (2) extracts from the stream and decrypts the control words (CW) before transmitting them to the terminal, via a second interface (ITCOM). These control words are used by a descrambler (16) of the terminal to descramble the data. The data stream leaving the module (TS'(D.EMB.)) contains only scrambled data, thus guaranteeing better protection against copying.

IPC 1-7

H04N 5/00; H04N 7/16; H04N 7/167

IPC 8 full level

H04N 5/00 (2011.01); H04N 7/16 (2011.01); H04N 7/167 (2011.01)

CPC (source: EP)

H04N 7/163 (2013.01); H04N 7/1675 (2013.01); H04N 21/43607 (2013.01); H04N 21/4623 (2013.01)

Citation (search report)

See references of WO 0122724A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

DOCDB simple family (publication)

FR 2799075 A1 20010330; FR 2799075 B1 20011123; AR 028172 A1 20030430; AU 7281400 A 20010424; EP 1214840 A1 20020619; WO 0122724 A1 20010329

DOCDB simple family (application)

FR 9911901 A 19990923; AR P000104932 A 20000920; AU 7281400 A 20000830; EP 0008439 W 20000830; EP 00960548 A 20000830