Method and apparatus for maintaining a digital television...

Details Method and apparatus for maintaining a digital television... Method and apparatus for maintaining a digital television...

2004-04-29

2009-02-24

Grant, Christopher (Department: 2623)

Interactive video distribution systems

Operator interface

To facilitate tuning or selection of video signal

C348S385100

Reexamination Certificate

active

07496944

ABSTRACT:
A method and apparatus for building and maintaining a database in a digital television receiver from information received in MPEG and PSIP tables uses the MPEG tables as a master to facilitate creating, updating, and deleting the database. Each database entry is encapsulated in a memory chain control structure such that freeing memory does not require consideration of the specific content of data in the database.

REFERENCES:
patent: 6978471 (2005-12-01), Klopfenstein

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