Datacast bandwidth in wireless broadcast system
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United States of America Patent
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-
Sep 16, 2003
Grant Date -
Aug 8, 2002
app pub date -
Feb 5, 2001
filing date -
Feb 5, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A network datacast system includes a plurality of transmission facilities. Each transmission facility receives primary programs from one or more media studios. Each transmission facility also receives ancillary data programs from a network datacast center. Each transmission facility broadcasts a wireless signal that includes a primary channel and at least one ancillary data channel. The transmission facilities contemporaneously transmit the ancillary programs on the ancillary data channels. A network datacast receiver contemporaneously receives the wireless signals and extracts the datacast programs from each datacast signal. The extracted datacast programs are stored in the receiver for subsequent output to the user.
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