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Dynamically Updated Proximity Warning

  • US 20090075677A1
  • Filed: 09/14/2007
  • Published: 03/19/2009
  • Est. Priority Date: 09/14/2007
  • Status: Abandoned Application
First Claim
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1. A method for alerting the user of a mobile device of the proximity of a target party, comprising:

  • receiving an electronic location information message corresponding to the target party, said electronic location information message including target location data;

    responsive to the electronic location information message, determining a target location estimate based on the target location data;

    comparing the target location estimate to a bounded region surrounding a current position estimate for the mobile device; and

    selectively generating an alert at the mobile device based on the proximity of the target location estimate to the bounded region.

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