FR484591A - Block-système à signal avancé permissif doublant un signal d'arret absolu, ce dernier pouvant toutefois etre franchi après son remplacement par un signal spécial de sécurité
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Block-système à signal avancé permissif doublant un signal d'arret absolu, ce dernier pouvant toutefois etre franchi après son remplacement par un signal spécial de sécurité
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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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B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors
B61L13/045—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors using separated rail contacts, pedals or similar
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FR484591D1917-02-241917-02-24Block-système à signal avancé permissif doublant un signal d'arret absolu, ce dernier pouvant toutefois etre franchi après son remplacement par un signal spécial de sécurité
ExpiredFR484591A
(fr)
Block-système à signal avancé permissif doublant un signal d'arret absolu, ce dernier pouvant toutefois etre franchi après son remplacement par un signal spécial de sécurité
Block-système à signal avancé permissif doublant un signal d'arret absolu, ce dernier pouvant toutefois etre franchi après son remplacement par un signal spécial de sécurité