Journey route data provision method for automobile uses traffic data information and detailed local map data provided by radio broadcast system

摘要

The route data provision method determines the momentary position of the automobile and calculates the route to the entered destination by reference to stored map data, actual traffic data information and detailed local map data, the traffic data information and the local map data received via a radio broadcast system. Also included are Independent claims for the following:: (a) a radio broadcast transmitter; (b) a journey route data provision device for an automobile