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Method of transmitting broadcast signal, method of processing broadcast signal and apparatus for the same

  • US 7,584,485 B2
  • Filed: 10/30/2007
  • Issued: 09/01/2009
  • Est. Priority Date: 11/22/2006
  • Status: Active Grant
First Claim
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1. A method of transmitting a digital broadcasting signal, comprising:

  • generating an emergency alert table including a plurality of data fields, wherein one of the data fields includes information that includes an emergency alert table descriptor, wherein the emergency alert table descriptor contains additional data fields, wherein one of the additional data fields indicates frequency information of an emergency alert channel; and

    transmitting, at a digital broadcast transmitter, a digital broadcasting signal including the emergency alert table;

    wherein the frequency information of the emergency alert channel is inserted in the additional data field that provides an additional pointer to the emergency alert channel,wherein the emergency alert table descriptor references the emergency alert channel by means of the frequency information.

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