Patent ID: 6694255
Filing Date: 2004-02-17
Classification: G01C

Abstract:
A navigation system comprising:present-position detecting means for detecting a present position of a vehicle; input means for entering a destination and information; information storage means for storing data, said data including branch-point image data having coordinates added thereto according to a distance from a branch point, and road data, said data also including node data; display means for displaying route guidance information; route search means for searching for a route to the destination on a basis of the information entered by said input means and the data stored in said information storage means; control means reading said branch-point image data when the vehicle is within a predetermined distance from a branch point on a route found by said route search means and outputting said branch-point image data to said display means to display a present-position mark superimposed on said branch-point image data on a basis of coordinates of the present position detected by said present-position detecting means and the coordinates added to said branch-point image data; and said control means reading said node data and outputting said node data to said display means so that a map prepared according to the node data is displayed.