Processing of a broadcast signal

Details Processing of a broadcast signal Processing of a broadcast signal

2002-09-11

2010-06-29

Pendleton, Brian T (Department: 2425)

Interactive video distribution systems

Program, message, or commercial insertion or substitution

C725S136000, C725S139000

Reexamination Certificate

active

07748015

ABSTRACT:
A method of processing a broadcast signal comprises receiving a broadcast signal, the signal including a video component and an audio component. A data component including an interactive application is also received which may be part of the broadcast signal. The broadcast signal is monitored for an identification signal, and the operation of the interactive application is interrupted if the identification signal is not present.

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