Content delivery service providing apparatus and content...

Details Content delivery service providing apparatus and content... Content delivery service providing apparatus and content...

2007-07-23

2009-10-06

Abrishamkar, Kaveh (Department: 2431)

Cryptography

Video cryptography

Copy protection or prevention

C713S168000, C713S194000, C726S030000

Reexamination Certificate

active

07599495

ABSTRACT:
On the content delivery side, a user management control unit manages authentication information and the distribution of a delivery list at the time of delivering service, the acceptance of a content select request, and charging and settlement on a user basis. On the other hand, an encrypted content control unit creates a content key and an encrypted content using the content key on the basis of a content key creating condition from a copyright owner or copyright manager. Then, an encrypted content key control unit encrypts the corresponding content key using medium information, or medium information and terminal device unique key information presented at the content request, delivers the key to the requester. Then, a content delivery control unit delivers the corresponding encrypted content to the requester at the content request.

REFERENCES:
patent: 5010571 (1991-04-01), Katznelson
patent: 5894516 (1999-04-01), Brandenburg
patent: 6738905 (2004-05-01), Kravitz et al.
patent: 7159244 (2007-01-01), Matsushima et al.
patent: 2002/0194492 (2002-12-01), Choi et al.
patent: 1382292 (2002-11-01), None
patent: 0 561 685 (1993-09-01), None
patent: 09-134311 (1997-05-01), None
patent: 2002-196982 (2000-07-01), None
patent: 2000-339227 (2000-12-01), None
patent: 2000-349725 (2000-12-01), None
patent: 2001-306954 (2001-11-01), None
patent: 2001-344216 (2001-12-01), None
patent: WO 99/53689 (1999-10-01), None
patent: WO 01/31839 (2001-05-01), None
Notification of the First Office Action in Chinese Patent Application No. 2004100981668 dated Apr. 14, 2006.
British Office Action dated Aug. 16, 2005 (3 pages).
An Official Action issued from the Canadian Patent Office in a Counterpart Application No. 2,461,805, dated Dec. 16, 2008.

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