×

NAVIGATION SYSTEM, ROUTE RETRIEVAL SERVER AND MOBILE TERMINAL DEVICE, AND ROUTE GUIDING METHOD

  • US 20100153004A1
  • Filed: 05/23/2007
  • Published: 06/17/2010
  • Est. Priority Date: 05/23/2007
  • Status: Active Grant
First Claim
Patent Images

1. A navigation system having a route search server provided with route searching means for referring to route search network data on the basis of a route search request that includes a departure location and a destination point and for searching for a guidance route that includes a route that makes use of transportation facilities;

  • and a mobile terminal device provided with display means for displaying a guidance route searched by said route search means and GPS receiving means for detecting a current position, whereinsaid route search server has an operation service information database in which the current position of each bus operating on a bus line is acquired and stored, and alternative route search means for evaluating and providing guidance for an alternative route that uses a bus, the navigation system characterized in thatin the case that a walking route interval is included in said guidance route, said route search means refers to said operation service information database on the basis of the current position of said mobile terminal device, and searches for an alternative route that substitutes for said walking route interval by specifying a bus that a user of said mobile terminal device can board; and

    said alternative route guidance means compares route data of said alternative route and said guidance route, transmits alternative route information that shows the presence of an alternative route to said mobile terminal device in the case that an alternative route is a more advantageous route than the guidance route, and displays the guidance route on said display means to provide notification of an alternative route.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×