·NAVIGATION TECHNOLOGY


Car navigation System is an intelligence system that makes it use the audio guidance and the road guidance after the best road diameter is automatically detected based on the establish-
ment of the destination.

In the present car navigation system, a hybrid method is adopted two combinations of the in-dependence navigation and the electric navigation.

Independence navigation: A detection method of using gyro sensor installed in vehicle and car sensor to detect the current place.

Electric navigation: the electric wave sent from the GPS satellite is used to detect the cur-rent place.