Differentiated PSIP table updated interval technology

Details Differentiated PSIP table updated interval technology Differentiated PSIP table updated interval technology

2005-03-10

2008-09-16

Miller, John W. (Department: 2623)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C725S050000

Reexamination Certificate

active

07426742

ABSTRACT:
A method to optimize a bandwidth of a digital television (DTV) transport stream and to determine transmission cycles for tables to be transmitted as part of the DTV transport stream, the method including setting transmission cycles for event information tables EIT0, EIT1, EIT2, and EIT3, each event information table containing program information covering different time span, where the transmission cycle for the EIT0is set narrower than the transmission cycle for the EIT1. Setting a transmission cycle for an extended text table ETT3containing program description information associated with the EIT3where the transmission cycle of the ETT3is greater than a sum of the transmission cycle of the EIT0and the transmission cycle of the EIT1.

REFERENCES:
patent: 5077828 (1991-12-01), Waldroup
patent: 6137549 (2000-10-01), Rasson et al.
patent: 6313886 (2001-11-01), Sugiyama
patent: 6314571 (2001-11-01), Ogawa et al.
patent: 6505347 (2003-01-01), Kaneko et al.
patent: 6658661 (2003-12-01), Arsenault et al.
Program guide For Digital Television ATSC Standard Doc. A/55, McKinney et al., Jan. 3, 1996.
Program and System Information Protocol for Terrestrial Broadcast and Cable, Doc. A/65, Dec. 23, 1997.

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