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Guide route distribution device and guide route distribution method

  • US 20100211305A1
  • Filed: 02/11/2010
  • Published: 08/19/2010
  • Est. Priority Date: 02/19/2009
  • Status: Abandoned Application
First Claim
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1. A guide route distribution device comprising:

  • a reception unit configured to receive information indicating a start point, information indicating a destination, map data generation information for identifying generation of map data possessed by an mobile terminal, and route search program generation information for identifying generation of a route search program for performing route search of a guide route from the start point to the destination, which is possessed by the mobile terminal, from the mobile terminal;

    a storage unit configured to store map data of a plurality of generations including map data possessed by the mobile terminal and route search programs of a plurality of generations including a route search program possessed by the mobile terminal;

    a first route search unit configured to search for a first route which is a guide route from the start point to the destination, based on map data of a generation indicated by the map data generation information and a route search program of a generation indicated by the route search program generation information, which are read by the storage unit;

    a second route search unit configured to search for a second route which is a guide route from the start point to the destination, based on ap data of a generation equal to or updated from the map data possessed by the mobile terminal and a route search program of a generation equal to or updated from the route search program possessed by the mobile terminal, which are read by the storage unit;

    a comparison determination unit configured to compare the first route and the second route and determine whether a predetermined guide route update condition is satisfied; and

    a transmission unit configured to transmit the second route to the mobile terminal only when the guide route update condition is satisfied.

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