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Method and system to determine and communicate the presence of a mobile device in a predefined zone

  • US 7,586,877 B2
  • Filed: 04/13/2006
  • Issued: 09/08/2009
  • Est. Priority Date: 04/13/2006
  • Status: Active Grant
First Claim
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1. A method to communicate the presence of a mobile device in at least one predefined zone, the method comprising:

  • determining when the mobile device is proximate the at least one predefined zone;

    compiling location data which includes a zone identifier corresponding to the at least one predefined zone and a device identifier corresponding to the mobile device;

    identifying at least one predefined group of mobile devices associated with the at least one predefined zone; and

    sending the location data and the device identifier to all mobile devices in the at least one predefined group of mobile devices.

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