DETECTING THE PRESENCE OF A VEHICLE

摘要

An arrangement for detecting the presence of a moving vehicle includes an emitting antenna adapted to emit an electromagnetic field in a range of emitting directions and mounted on the vehicle. At least one receiving antenna for receiving the electromagnetic field is mounted on the track of the vehicle. A detector device which is connected to the at least one receiving antenna and is adapted to produce a detection signal depending on a received field intensity of the electromagnetic field that is received by the at least one receiving antenna.