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Reporting Of Changes In Navigation Map Data For Navigation System

  • US 20110202271A1
  • Filed: 10/21/2008
  • Published: 08/18/2011
  • Est. Priority Date: 10/21/2008
  • Status: Active Grant
First Claim
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1. A method for updating navigation map data, comprising receiving navigation map update data from a navigation unit using mobile communications, the navigation map update data being obtained bydetecting a position of a vehicle;

  • calculating a route for the vehicle to a destination using the navigation map data;

    detecting when the calculated route to the destination is left, and if so, starting storing of position data until;

    the vehicle is back on the calculated route,the vehicle is on a recalculated route to the destination from an actual position, orthe vehicle has reached the destination, and evaluating the stored position data to obtain navigation map update data.

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