Electrical computers and digital processing systems: multicomput – Computer conferencing – Cooperative computer processing
Reexamination Certificate
2007-07-03
2007-07-03
Hu, Jinsong (Department: 2154)
Electrical computers and digital processing systems: multicomput
Computer conferencing
Cooperative computer processing
C715S252000, C715S716000, C434S118000
Reexamination Certificate
active
09939931
ABSTRACT:
It is an object of the present invention to provide a synchronized program delivery of training and self-paced learning a communication network. It is another object of the invention to create a virtual classroom available to clients over a distributed network, thus decreasing the cost of education by eliminating travel costs. The invention provides a delivery environment simulating a classroom including functions for synchronized viewing of multimedia content and shared multimedia objects. A system and method is provided for synchronizing and serving multimedia content in a distributed network. In one aspect there is a synchronization server, a content server, and at least one client. The synchronization server provides indication of an update to a multimedia resource to the client. The content server provides content information to the client based upon the indication provided by the synchronization server.
REFERENCES:
patent: 5896128 (1999-04-01), Boyer
patent: 5953005 (1999-09-01), Liu
patent: 6064379 (2000-05-01), DeMoney
patent: 6162060 (2000-12-01), Richard et al.
patent: 6567844 (2003-05-01), Fukasawa
Burke Edward J.
Hackney Michael L. J.
Maxwell Daniel L.
Miner Robert H.
Thomson Ronald
Centra Software Inc.
Hu Jinsong
Wolf Greenfield & Sacks P.C.
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