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Emergency alert system and method

  • US 8,653,963 B2
  • Filed: 08/30/2011
  • Issued: 02/18/2014
  • Est. Priority Date: 03/01/2007
  • Status: Active Grant
First Claim
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1. An emergency alert enabled device, comprising:

  • a. an alert message receiver;

    b. a means for determining a real-time location of the emergency alert enabled device; and

    ,c. a processor configured to perform the following tasks;

    i. authenticate a geographically targeted alert message received by the alert message receiver;

    ii. determine whether the emergency alert enabled device is located within a geographic area of concern, using data from the means for determining a real-time location of the emergency alert enabled device, wherein the geographic area of concern is defined in relation to the nature of the alert message; and

    ,iii. present an alert to a user if the emergency alert enabled device is located within the geographic area of concern;

    wherein the processor comprises;

    i. a first processor unit for reassembling parts of received messages, if necessary, and authenticating incoming messages, wherein the first processor unit is configured to remain in standby mode, and thus ready to receive incoming messages, during all operations; and

    ,ii. a second processor unit for determining whether the emergency alert enabled device is located within a geographic area of concern, and if so, for presenting an alert to a user, wherein the second processor is configured to be powered on only when the first processor unit has determined that an authentic message has been received.

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