Interactive video distribution systems – Operator interface – To facilitate tuning or selection of video signal
Reexamination Certificate
2000-03-29
2009-10-20
Sheleheda, James (Department: 2424)
Interactive video distribution systems
Operator interface
To facilitate tuning or selection of video signal
C725S095000
Reexamination Certificate
active
07607152
ABSTRACT:
A system for more efficient utilization of the finite bandwidth available for distribution of interactive program guide (IPG) video sequences. The system utilizes a session manager and a transport stream generator to enable a set top terminal to access an entire array of guide pages from the IPG within the constraints imposed by the limited bandwidth available in the distribution network.One embodiment of the present invention comprises a system that includes a session manager (SM) and a transport stream generator (TSG) within a distribution control center. The SM monitors and controls usage of demand-cast stream bandwidth within the distribution network. The TSG receives information from the SM on each demand-cast stream. The information includes which set top terminals, if any, are currently acquiring the stream. The TSG uses the information to control the demand-cast streams multiplexed into the transport stream for distribution to the set top terminals.
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U.S
Bayrakeri Sadik
Comito John P.
Edmonds Jeremy S.
Gershtein Eugene
Gordon Donald F.
Cox Communications, Inc.
Merchant & Gould
Sheleheda James
LandOfFree
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