Method and apparatus for improved acquisition and monitoring of event information table sections
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United States of America Patent
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Feb 15, 2011
Grant Date -
Jan 9, 2003
app pub date -
Jun 7, 2002
filing date -
Jun 13, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method for acquiring and storing schedule event information from a cyclical broadcast in an interactive television system comprising a Head end (20), transmission media (32) and a client device such as a set top box (28) and display TV (26). An request queue for particular Event Information Table (EIT) schedule sections (42) is created and serviced in optimal fashion by selecting a section from the EIT request queue with the least acquisition latency based on the current position in the EIT broadcast cycle, the set top box (28) processing speed and the sequence of EIT sections (42) requested.
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