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Societe Francaise Radio Electrique
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Societe Francaise Radio Electrique
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Publication date
Application filed by Societe Francaise Radio ElectriquefiledCriticalSociete Francaise Radio Electrique
Application grantedgrantedCritical
Publication of FR798518ApublicationCriticalpatent/FR798518A/fr
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
B61L13/047—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 controlling inductively or magnetically
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR798518D1935-02-191935-02-19Système d'annonce automatique des véhicules sur voie ferrée
ExpiredFR798518A
(fr)