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Passenger location information system, portable information terminal, and server

  • US 7,706,970 B2
  • Filed: 01/27/2005
  • Issued: 04/27/2010
  • Est. Priority Date: 01/28/2004
  • Status: Active Grant
First Claim
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1. A portable information terminal comprising:

  • location information acquisition means for acquiring location information on said portable information terminal at a predetermined time interval; and

    means for determining a transportation being used by a user of said portable information terminal from location information on said portable information terminal wherein,when predetermined information is input, said portable information terminal moves to a passenger location information providing mode,automatically determines a transportation line interval in which said portable information terminal is located based on the location information on said portable information terminal; and

    repeatedly determines passenger location information, which at least includes information on names of locations constituting the transportation line interval, at a predetermined time.

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