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Server system, user terminal, service providing method and service providing system using the server system and the user terminal for providing position-based service to the user terminal

  • US 7,698,387 B2
  • Filed: 12/01/2004
  • Issued: 04/13/2010
  • Est. Priority Date: 07/06/2004
  • Status: Active Grant
First Claim
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1. A server system in a system providing services to a user terminal comprising:

  • a first database that holds plural kinds of balloon data, in which each of plural pieces of three-dimensional real space range information and an identifier for identifying said three-dimensional real space range information is related to each other;

    a second database that holds one or a plurality of service execution files, in which each of plural pieces of three-dimensional space region information, which defines a three-dimensional space region that includes another three-dimensional space region or is included by another three-dimensional space region, related to said identifier in said first database and service information provided in each three-dimensional space region is related to each other;

    an extracting unit that extracts, on the basis of position information on said user terminal and an identifier held in said first database, a service execution file corresponding to a three-dimensional space region related to said identifier in said one or plural service execution files in said second database;

    a service execution processing unit that performs an executing process of a service corresponding to service information held in said service execution file extracted by said extracting unit; and

    an access changing unit that limits access to said one or plural service execution files held in said second database based on a shape of boundary information representing an area range in which a service can be provided, whereinsaid service execution processing unit transmits information on a service to be executed to said user terminal.

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