NAVIGATION DEVICE AND NAVIGATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To change a lane or route in consideration of the road situation around the car. SOLUTION: The navigation system comprises: an input means (2) for inputting a destination; a present position detection means (4) for detecting the present position; an obstruction detecting means (3) for detecting the obstruction; a route search means (11) for searching the routes to the destination inputted by the input means; and a control means (12) for guiding along the route searched by the route search means. The control means controls the detection area of the obstruction detection means on the basis of the route guidance information. COPYRIGHT: (C)2005,JPO&NCIPI