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Method and apparatus for providing emergency information to a mobile receiving device

  • US 7,720,431 B2
  • Filed: 11/10/2006
  • Issued: 05/18/2010
  • Est. Priority Date: 12/28/2005
  • Status: Active Grant
First Claim
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1. A method of operating a communication system comprising:

  • broadcasting emergency information for a first area;

    broadcasting an emergency announcement indicator for the first area into the first area and a second area outside the first area;

    receiving the emergency information and the emergency announcement indicator at a mobile receiving device;

    determining a location of the mobile receiving device;

    comparing the location and the emergency announcement indicator; and

    displaying emergency information at the mobile receiving device when the location is within the first area determined in response to comparing.

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