Patent ID: 6721655
Filing Date: 2004-04-13
Classification: G01C,G08G

Abstract:
A navigation device for a vehicle comprising:operating means for inputting therefrom data on a destination and a display scale in accordance with operation; position detecting means for detecting a current position of the vehicle; route setting means for setting a first route from the current position to the destination based on data on the destination inputted by said operating means and the current position of the vehicle detected by said position detecting means; bypass route searching means for searching for a second route to bypass an obstacle when the obstacle which blocks a smooth traveling of the vehicle is detected in the first route; and display control means which sets the range of display of map information to be displayed on a predetermined display device in accordance with a display scale inputted by said operating means so as to successively update the map information to be displayed within the range of display with the traveling of the vehicle, said display control means also displaying the overall second route simultaneously with the first route by setting the new range of display irrespective of the inputted display scale when the second route searched by said bypass route searching means is displayed.