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Portable terminal device with built-in GPS

  • US 20030119529A1
  • Filed: 12/04/2002
  • Published: 06/26/2003
  • Est. Priority Date: 12/04/2001
  • Status: Active Grant
First Claim
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1. A portable terminal device with built-in GPS, comprising:

  • a telephone radio part for wirelessly transmitting and receiving latitude information and longitude information;

    a GPS radio part for receiving data from a GPS (global positioning system) satellite;

    a storage unit for storing the data received in the telephone radio part;

    a map information part for storing map information; and

    a control unit for performing processing such that the designated movement range of another portable terminal device with built-in GPS is set on the map stored in the map information part, data on the set movement range are sent to said another portable terminal device with built-in GPS, and data on the current position of said another portable terminal device with built-in GPS, in which the designated movement range has been set, computed by said another portable terminal device with built-in GPS are received.

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