Emergency alert system

Interactive video distribution systems – Program – message – or commercial insertion or substitution – Emergency warning

Reexamination Certificate

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Details

C725S032000, C725S034000, C725S036000, C725S108000, C379S037000, C455S401000, C455S466000

Reexamination Certificate

active

10404359

ABSTRACT:
A system for inputting conventional emergency alert messages into a digital subscriber television system. The method allows existing emergency alert equipment to interface with the digital system equipment in the headend of a digital subscriber television system. A unique identifier and the format of the digital emergency alert message allow the input of an emergency alert message and allow for a wide variety of optional data formats, system control options, and data storage options.

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