Navigator for automotive vehicles

摘要

In a navigator for vehicles, a distance sensor detects a distance travelled by a vehicle and a heading sensor detects a direction of travel of the vehicle. In response to the detection signals from the sensors a microcomputer computes the present position of the vehicle and generates a position signal. In accordance with the position signal from the microcomputer and the selection of display selection switches a display tube gives a graphic display of a road map or a character display of a road map data.