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Person tracking and communication system

  • US 7,696,887 B1
  • Filed: 10/25/2006
  • Issued: 04/13/2010
  • Est. Priority Date: 10/25/2006
  • Status: Expired due to Fees
First Claim
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1. A person tracking system, said system comprising:

  • a monitored unit mountable to a person or object having circuitry for wireless communication;

    a tracking unit having circuitry for wireless communication with said monitored unit;

    said tracking unit circuitry comprising a micro controller and means for monitoring a plurality of said monitored units;

    said monitored unit comprising a microcontroller and at least one tampering sensor to detect tampering with said monitored unit;

    means in said tracking unit for producing a signal that indicates whether the tracking unit is getting closer to the monitored unit; and

    means, in communication with said monitored unit or tracking unit, for triggering an alarm when said monitored unit reaches a predetermined distance from said tracking unit.

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