Method and device for distance measurement

Details Method and device for distance measurement Method and device for distance measurement

B - Operations, Transporting

61

L

B61L 3/12 (2006.01) B61L 25/02 (2006.01)

Patent

CA 2744885

The invention relates to a method and a device for distance measurement between two points or one point on a path and a rail vehicle (8). In order to achieve a high measurement accuracy, the measurement of the propagation time of an RFID (radio frequency identification) signal is provided between the points or the point on a path and the rail vehicle (8).

L'invention concerne un procédé et un dispositif pour mesurer la distance entre deux points d'une voie ou entre un point d'une voie et un véhicule ferroviaire (8). Selon l'invention, pour qu'une grande précision de mesure puisse être obtenue, le temps de propagation d'un signal RFID (d'identification par radiofréquence) est mesuré entre les points de la voie ou entre le point de la voie et le véhicule ferroviaire (8).

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