Volker Skwarek

Guiding method for an object, especially a motor vehicle using a navigation system, back along a route already traveled, especially where the route lies outside available navigational data

Updating routing and traffic flow data and vehicle navigation device

Method for making available route data for a navigational device

Method for transmission of traffic-relevant information and apparatus for its evaluation

Method of exchanging navigation information

Method and system for displaying information and vehicle infotainment system

Method for providing navigation instructions

Method for operating a navigation system for a vehicle and corresponding navigation system

Determination of travel data using in floating vehicle position data transmitted to remote central computer so that relevant road conditions can be transmitted to vehicle

Method for transfering information and information receiver