Processing of a broadcast signal
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United States of America Patent
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Jun 29, 2010
Grant Date -
Apr 24, 2003
app pub date -
Sep 11, 2002
filing date -
Sep 20, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of processing a broadcast signal comprises receiving a broadcast signal, the signal including a video component and an audio component. A data component including an interactive application is also received which may be part of the broadcast signal. The broadcast signal is monitored for an identification signal, and the operation of the interactive application is interrupted if the identification signal is not present.
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