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Emergency alert signaling method and digital television receiver

  • US 20070083884A1
  • Filed: 10/11/2006
  • Published: 04/12/2007
  • Est. Priority Date: 10/12/2005
  • Status: Active Grant
First Claim
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1. An emergency alert signaling method for use by a terrestrial digital television receiver, the method comprising:

  • receiving a terrestrial television signal having an emergency alert table, the emergency alert table comprising text data representing an emergency alert message;

    demodulating the terrestrial television signal;

    demultiplexing the emergency alert table from the demodulated digital television signal;

    parsing the text data from the demultiplexed emergency alert table; and

    scrolling the emergency alert message across a portion of a video screen.

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