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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
B61L3/16—Continuous control along the route
B61L3/18—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train
B61L3/185—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train using separate conductors
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FR635846D1926-10-071926-10-07Dispositif de sécurité assurant l'arrêt automatique des trains de chemins de fer en cas de danger de collision ou autres
ExpiredFR635846A
(fr)