Television – Special applications – Simulator
Patent
1995-12-14
1998-10-06
Trammell, James P.
Television
Special applications
Simulator
348 6, H03F 324
Patent
active
058190368
ABSTRACT:
The present invention is a novel method for addressing processing units in a network where some of the processing units are connected to a shared communications medium. In an embodiment of the present invention, the network comprises a head end, a plurality of modulators connected and addressable by the head end, and a plurality of set-top processors. The set-top processors are partitioned into subsets where each subset is assigned to a modulator. The modulator takes information streams from the head end and multicasts the streams to its assigned subset. In one embodiment, the information streams comprise packets that have address fields for facilitating delivery from the head end to a receiving set-top processor. One address field enables the routing of the packet from the head end to the modulator assigned to the receiving set-top processor. Once the modulator receives and multicasts the packet onto its shared communications medium, each set-top processor in the assigned subset receives the packet and recognizes whether or not the packet is addressed to itself.
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Adams Michael B.
Williamson Louis D.
Knearl Homer L.
Peeso Thomas
Time Warner Cable
Trammell James P.
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