Content delivery system, content delivery apparatus, content...

Details Content delivery system, content delivery apparatus, content... Content delivery system, content delivery apparatus, content...

2011-03-08

2011-03-08

Kelley, Christopher (Department: 2424)

Interactive video distribution systems

Satellite video distribution system

Two-way

C725S111000, C725S113000, C725S153000

Reexamination Certificate

active

07904928

ABSTRACT:
The invention relates to properly protecting broadcast contents stored on a receiver side from copying without permission and illegal use in server type broadcasting. According to the invention, contents are sent from a broadcast sending side in a state in which copyright information for the contents is added to the contents. On the other hand, on a receiving client side applicable to server type digital broadcasting, it is possible to perform appropriate control for reproduction of contents and recording reservation on the basis of copyright information for contents such as the number of times of reproduction of contents, restriction of display resolution at the time of reproduction of contents, and an expiration date of content reproduction. According to this copyright information, it is possible to perform detailed control for a display device incorporated in or connected to a receiver.

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