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Portable position determining device

  • US 6,480,147 B2
  • Filed: 05/18/2001
  • Issued: 11/12/2002
  • Est. Priority Date: 06/18/1999
  • Status: Expired due to Term
First Claim
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1. A position determining device, comprising:

  • a satellite navigation receiver for automatically providing computed position information from an output of said satellite navigation receiver for transmission to a host paging receiver when said computed position information indicates said device has changed its position relative to a predetermined location; and

    a first two-way pager configured to transmit to said host paging receiver and having a transmitting input connected to said output of said satellite navigation receiver wherein said computed position information accompanied by a message in a predetermined format is transmitted to said host paging receiver responsive to receiving said computed position information accompanied by a message in a predetermined format at said transmitting input for readout of said computed position information at said host paging receiver;

    wherein said position determining device is configured as a portable unit.

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