Interactive video distribution systems – Video distribution system with upstream communication – Having link to external network
Reexamination Certificate
2004-08-23
2009-02-03
Kelley, Christopher (Department: 2623)
Interactive video distribution systems
Video distribution system with upstream communication
Having link to external network
C370S282000, C370S276000, C725S126000
Reexamination Certificate
active
07487532
ABSTRACT:
Systems and methods are disclosed for a full duplex wideband communications system for a local (e.g. in-home) coaxial network. The system employs a Frequency-division duplex (FDD) scheme that allows identical wideband modems to communicate with each other. To achieve this, the wideband modems contain a duplexer and a switch that allows reversing the connection of the wideband transmitter and receiver to the duplexer. Each wideband modem includes a control modem that is used to control access to the wideband channels. A wideband transmitter, which may be included in a modem associated with a server set-top terminal (STT), transmits a video presentation to a wideband receiver, which may be included in a modem associated with a client STT.
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Fernandez Jose M.
Robertson Neil C.
Cisco Technology Inc.
Kelley Christopher
Newlin Timothy R
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