Method of preparing route guide information for the driver of a

Details Method of preparing route guide information for the driver of a Method of preparing route guide information for the driver of a

1997-05-09

2000-06-20

Nguyen, Tan

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701210, 340995, G08G 10969

Patent

active

060788631

ABSTRACT:
In method for preparing the driver of a vehicle for route guide information which is to be given in the form of indications for turning at route turn points, in which connection a route leading over route turn points to a destination is determined by means of stored street map, by which this route is provided to the driver of the vehicle as the correct route. The route is checked by means of the stored street map upon approach to a route turn point at which the driver is to turn off from the street on which he is traveling. This feature is provided whether one or more cross streets, which are at a shorter distance from the route turn point or from each other than a predetermined distance, lie on the same side of the street being driven on as the predetermined turn in front of the route turn point. If so, then all cross streets which lie between the vehicle and the route turn point at the time of the transmitting of the route turn information to the driver are included in the route turn information.

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