Differentiated PSIP table update interval technology

Details Differentiated PSIP table update interval technology Differentiated PSIP table update interval technology

2010-05-07

2010-11-16

Saltarelli, Dominic D (Department: 2421)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C725S050000

Reexamination Certificate

active

07836469

ABSTRACT:
An apparatus, method and data structure for generating at least one table in a broadcast environment, are provided. The apparatus includes a generator to generate an event information table (EIT) and an extended text table (ETT). The ETT has program guide information for an n-hour span and has a transmission interval. The ETT has a transmission interval and program description information according to the EIT. The transmission interval of the EIT is shorter than the transmission interval of the ETT.

REFERENCES:
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McKinney et al., Program Guide for Digital Television ATSC Standard Doc. A/55, Jan. 3, 1996.
Program and System Information Protocol for Terrestrial Broadcast and Cable, Doc. A/65, Dec. 23, 1997.

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