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US 2006/0218620 A1Published application
Network digital video recorder and method
OwnerDinesh Nadarajah, Sreenivasa Gorti +2inventors
InventorsDinesh Nadarajah, Sreenivasa Gorti, David Patron, Michael Grannan
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Abstract
A network digital video recorder has a number of set top boxes each having an individual digital video recorder. A peer-to-peer network connects the set top boxes. A digital rights management client operates on the set top boxes. An electronic rights server is coupled to the peer-to-peer network.
Claims20
A network digital video recorder, comprising:
- a plurality of set top boxes each having an individual digital video recorder;
- a peer-to-peer network coupling the plurality of set top boxes;
- and
- a digital rights management client operating on each of the plurality of set top boxes.
1 more element
A method of operating a network digital video recorder, comprising the steps of:
- a) selecting a past program by a user at a first node;
- b) determining if the user is entitled to view the past program;
- c) when the user is entitled to view the past program, determining if a node of a peer-to-peer network contains the past program.
A network digital video recorder, comprising:
- a plurality of set top boxes each having an individual digital video recorder;
- a peer-to-peer network coupling each of the plurality of set top boxes;
- an index server coupled to the peer-to-peer network, the index server tracking a location of a plurality of selections.
Dependencies are inferred from the claim text.