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Local emergency alert for cell-phone users

  • US 20030207670A1
  • Filed: 01/23/2002
  • Published: 11/06/2003
  • Est. Priority Date: 01/23/2002
  • Status: Active Grant
First Claim
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1. Communication apparatus comprising:

  • a memory for storing one or more representation of a communicator located in an alert region; and

    a controller for causing an alert message to be sent to at least one communicator in the alert region.

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