Global Patent Index - EP 1771966 A1

EP 1771966 A1 20070411 - METHOD OF TRANSMITTING AND REPRODUCING CONTENT PROCESSED BY VARIOUS DRM SYSTEMS

Title (en)

METHOD OF TRANSMITTING AND REPRODUCING CONTENT PROCESSED BY VARIOUS DRM SYSTEMS

Title (de)

VERFAHREN ZUR ÜBERTRAGUNG UND WIEDERGABE VON MIT VERSCHIEDENEN DRM-SYSTEMEN VERARBEITETEN INHALTEN

Title (fr)

PROCEDE DE TRANSMISSION ET DE REPRODUCTION DE CONTENU TRAITE PAR DIVERS SYSTEMES DE DRM

Publication

EP 1771966 A1 20070411 (EN)

Application

EP 05774104 A 20050729

Priority

  • KR 2005002466 W 20050729
  • US 59187804 P 20040729
  • KR 20040070795 A 20040906

Abstract (en)

[origin: WO2006011768A1] Provided is a method of transmitting content processed according to first digital rights management (DRM) to a device that uses second DRM. The method includes generating a ticket using a first license server and a second license server, the first license server issuing a first license for use in the first DRM and the second license server issuing a second license for use in the second DRM; the second device obtaining a second content key required to process the content using the ticket and the second DRM; and the second device receiving the content from the first device and processing the content using the second content key and the second DRM. The ticket includes use control information that specifies a restriction of use of the content, and the second content key required to process the content using the second DRM.

IPC 8 full level

H04L 9/32 (2006.01)

CPC (source: EP)

H04L 9/083 (2013.01); H04L 63/0428 (2013.01); H04L 63/0807 (2013.01); H04L 2209/603 (2013.01); H04L 2463/101 (2013.01)

Citation (search report)

See references of WO 2006011768A1

Designated contracting state (EPC)

DE FR GB IT NL

DOCDB simple family (publication)

WO 2006011768 A1 20060202; EP 1771966 A1 20070411

DOCDB simple family (application)

KR 2005002466 W 20050729; EP 05774104 A 20050729