Method and apparatus for improved acquisition and monitoring...

Interactive video distribution systems – User-requested video program system – Video-on-demand

Reexamination Certificate

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C725S131000

Reexamination Certificate

active

07890987

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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“Digital Video Broadcasting (DVB); Specification for Service Information (SI) in DVB Systems”; European Telecommunication Standard 300 468, published in a second edition in Jan. 1997, having previously been published in draft in Oct. 1994; pp. 1-72.

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