Emergency alert system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 2, 2007
Issued Date -
N/A
app pub date -
Apr 1, 2003
filing date -
Aug 7, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
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.
First Claim
Family
International Classification(s)
Cited Art Landscape
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