Interactive video distribution systems – Video distribution system with upstream communication – Having link to external network
Reexamination Certificate
2004-02-12
2008-07-22
Huynh, Son P (Department: 2623)
Interactive video distribution systems
Video distribution system with upstream communication
Having link to external network
C725S086000, C725S087000, C725S091000, C725S092000, C709S217000, C709S219000
Reexamination Certificate
active
07404201
ABSTRACT:
A copy computer includes a storage device which stores a copy of contents from a distribution computer and a module which creates a copy of updated contents based on a copy request and which sends a copy of contents requested by a search computer to a distribution request computer. The search computer includes a module which searches for a copy computer storing the copy of the contents requested by the distribution request computer, a module which forwards a send request to a specified copy computer, and a module which sends the copy request and the copy contents to a predetermined copy computer when the contents are updated. The copy request gives an instruction to create the copy of the updated contents in the storage device of the copy computer.
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Smart Content Deliver Service, www.ntt.com/globalip/scd—en/index.html, NTT Communications Corp., Tokyo, Japan.
Kobayashi Ikuko
Le Moal Damien
Mine Hiroshi
Takeuchi Tadashi
Hitachi , Ltd.
Huynh Son P
Townsend and Townsend / and Crew LLP
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