Emergency alert signaling method and digital television receiver
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 13, 2010
Grant Date -
Apr 12, 2007
app pub date -
Oct 11, 2006
filing date -
Oct 12, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A terrestrial digital television receiver includes a tuner, a demodulator, a demultiplexer, a decoder, and a controller. The tuner receives a terrestrial television signal having an emergency alert table which contains text representing an emergency alert message. The demodulator demodulates the television signal and the demultiplexer demultiplexes the emergency alert table from the demodulated signal. The decoder parses the text data representing the emergency alert message, and the controller control operation of a display device such that the emergency alert message is scrolled across a predetermined portion of a video screen.
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Family
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