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Information processing system providing a service using electronic map information

  • US 6,836,727 B2
  • Filed: 09/04/2002
  • Issued: 12/28/2004
  • Est. Priority Date: 09/04/2001
  • Status: Active Grant
First Claim
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1. An information processing system, comprising:

  • a terminal apparatus operable to acquire position information relating to a position of the terminal apparatus and to transmit information; and

    a server apparatus, including;

    an electronic map information database into which is stored electronic map data;

    electronic map assignment means operable to refer to position information sent from the terminal apparatus, and to extract from the electronic map information database electronic map data mapping an area including a vicinity of the position at which the terminal apparatus is located, and to transmit the extracted electronic map data to the terminal apparatus; and

    a spot information database operable to store information received from the terminal apparatus regarding an arbitrary location within the area mapped by the extracted electronic map data, the information regarding the arbitrary location including an identification number, the spot information database being further operable to link information received before from the terminal apparatus with information received currently regarding the arbitrary location and to link the information received currently with information received thereafter from the terminal apparatus.

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