Multicasting of interactive data over a back channel
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United States of America Patent
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N/A
Issued Date -
Sep 18, 2003
app pub date -
Mar 5, 2003
filing date -
Mar 5, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Disclosed is an implementation of multicasting data over a separate channel to set-top boxes. Encoded video signals from a source are stripped of an ATVEF Transport A type of trigger and encoded with a multicast trigger that is transmitted to the set-top boxes. The set-top boxes receiving the multicast trigger access a multicast server via a back channel and obtain the multicast data that is carrouseled by the multicast server.
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