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Route guidance system and route guidance method

  • US 20070124068A1
  • Filed: 11/29/2006
  • Published: 05/31/2007
  • Est. Priority Date: 11/30/2005
  • Status: Abandoned Application
First Claim
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1. A route guidance system for a vehicle comprising:

  • a current-location detecting unit for detecting the current location of the vehicle;

    route-searching means for searching to determine a route to a destination based on the detected vehicle current location;

    guidance-intersection setting means for setting a guidance intersection based on the determined route;

    route guidance point setting means for setting a route guidance point at a predetermined point on the near side, relative to the vehicle, of the guidance intersection, for initiating route guidance regarding the guidance intersection;

    route guidance region determination means for calculating a route guidance region from the start to the end of route guidance based on the position of the set route guidance point and the contents of the route guidance, and for determining whether or not the route guidance region overlaps a predetermined intersection between the detected vehicle current location and the guidance intersection; and

    route guidance region changing means for changing the route guidance region in the event that the route guidance region is determined to overlap the predetermined intersection.

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