Technique for effective navigation based on user preferences

  • US 7,650,234 B2
  • Filed: 01/08/2008
  • Issued: 01/19/2010
  • Est. Priority Date: 10/19/1999
  • Status: Expired due to Fees
First Claim
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1. A method for navigation using a navigation device which includes a location-sensing element therein, the method comprising:

  • forming a database storing traffic information for extraction thereof with respect to areas;

    receiving data concerning a location of the navigation device which is determined using the location-sensing element;

    searching the database for traffic information specific to a coverage area including the location of the navigation device;

    receiving a request for planning a route from an origination to a destination;

    determining that the coverage area is different from one or more areas in navigation coverage defined at least by the origination and the destination;

    searching the database for selected traffic information specific to the one or more areas; and

    planning a route to the destination, taking into consideration at least traffic conditions derived from the selected traffic information.

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