(19)
(11) EP 1 889 478 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
28.09.2011 Bulletin 2011/39

(45) Mention of the grant of the patent:
06.07.2011 Bulletin 2011/27

(21) Application number: 06760123.7

(22) Date of filing: 18.05.2006
(51) International Patent Classification (IPC): 
H04N 7/167(2011.01)
(86) International application number:
PCT/US2006/019298
(87) International publication number:
WO 2006/127405 (30.11.2006 Gazette 2006/48)

(54)

ENCRYPTION/DECRYPTION OF PROGRAM DATA BUT NOT PSI DATA

VERSCHLÜSSELUNG/ENTSCHLÜSSELUNG VON PROGRAMMDATEN, NICHT ABER VON PSI-DATEN

CHIFFREMENT/DECHIFFREMENT DE DONNEES DE PROGRAMMES A L'EXCEPTION DES INFORMATIONS SPECIFIQUES PROGRAMME

(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

(30) Priority: 25.05.2005 US 137272
30.01.2006 US 342460
30.01.2006 US 342479
30.01.2006 US 343060
31.01.2006 US 342472

(43) Date of publication of application:
20.02.2008 Bulletin 2008/08

(60) Divisional application:
10162797.4 / 2219376

(73) Proprietors:
  • Zenith Electronics LLC
    Wilmington DE 19801 (US)
  • Lewis, Richard
    Buffalo Grove IL 60089 (US)

(72) Inventors:
  • HAUGE, Raymond, C.
    Fox River Grove, Illinois 60021 (US)
  • TURNER, Rudolf
    Hawthorn Woods, Illinois 60047 (US)

(74) Representative: Lawrence, John 
Barker Brettell LLP 100 Hagley Road
Edgbaston Birmingham B16 8QQ
Edgbaston Birmingham B16 8QQ (GB)


(56) References cited: : 
EP-A1- 0 706 118
US-A- 5 774 549
US-A1- 2004 268 117
 EP-A2- 1 187 483
US-A- 5 774 549
   
  • QIAO L ET AL: "Comparison of MPEG encryption algorithms" COMPUTERS AND GRAPHICS, PERGAMON PRESS LTD. OXFORD, GB, vol. 22, no. 4, August 1998 (1998-08), pages 437-448, XP004145486 ISSN: 0097-8493
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).