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SIGNAUX ELECTRIQUES POUR CHEMINS DE F Cie
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SIGNAUX ELECTRIQUES POUR CHEMINS DE F Cie
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Application filed by SIGNAUX ELECTRIQUES POUR CHEMINS DE F CiefiledCriticalSIGNAUX ELECTRIQUES POUR CHEMINS DE F Cie
Application grantedgrantedCritical
Publication of FR423129ApublicationCriticalpatent/FR423129A/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
B61L3/08—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 electrically
B61L3/12—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 electrically using magnetic or electrostatic induction; using radio waves
B61L3/121—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 electrically using magnetic or electrostatic induction; using radio waves using magnetic induction
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR423129D1910-11-291910-11-29Appareil de controle du passage des signaux à l'arret par les trains
ExpiredFR423129A
(fr)