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Portable terminal apparatus and the positional information communication method using it

  • US 20010050631A1
  • Filed: 06/05/2001
  • Published: 12/13/2001
  • Est. Priority Date: 06/06/2000
  • Status: Active Grant
First Claim
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1. A portable terminal apparatus comprising:

  • a positional information acquiring device for acquiring positional information;

    a transmitting device for transmitting the acquired positional information to other portable terminal apparatuses;

    a receiving device for receiving the positional information transmitted from other portable terminal apparatuses;

    a map data acquiring device for acquiring the map data in a predetermined range including the location shown by the received positional information; and

    a displaying device for displaying the map data together with a mark that indicates the position shown by the received positional information.

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