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SIGNALISATION DE CHEMINS DE FER BREVETS Ste
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SIGNALISATION DE CHEMINS DE FER BREVETS Ste
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Publication of FR17853EpublicationCriticalpatent/FR17853E/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
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FR17853D1910-09-221913-05-24Système "siffleur" électro-mécanique pour l'avertissement et l'enregistrement du franchissement des signaux à l'arret
ExpiredFR17853E
(fr)
Installation pour l'enregistrement du franchissement des signaux de chemins de fer et pour l'avertissement du franchissement de ceux de ces signaux qui sont à la psotion d'arrêt