Method and system to monitor persons utilizing wireless media

  • US 20060099969A1
  • Filed: 06/21/2005
  • Published: 05/11/2006
  • Est. Priority Date: 11/05/2004
  • Status: Active Grant
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First Claim
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1. A method of selectively communicating with a first portable device within pre-defined geographical zones, comprising:

  • defining a geographical zone utilizing latitude and longitude attributes;

    loading data representative of the geographical zone to the first portable device;

    providing the first portable device with a ground positioning unit receiver, the ground positioning unit receiver permitting the first portable device obtain geographical coordinates of the position of the first portable device;

    configuring the first portable device to determine the location of the first portable device in relation to the geographical zone;

    programming a microprocessor in the first portable device to determine the occurrence of an event related to status of the portable device in relation to the geographical zone; and

    permitting the microprocessor in the first portable device to transmit an event message indicating the occurrence of the event to the second portable device.

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