Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie des Freins et Signaux Westinghouse SA
Original Assignee
Compagnie des Freins et Signaux Westinghouse SA
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Filing date
Publication date
Application filed by Compagnie des Freins et Signaux Westinghouse SAfiledCriticalCompagnie des Freins et Signaux Westinghouse SA
Application grantedgrantedCritical
Publication of FR842670ApublicationCriticalpatent/FR842670A/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
B61L13/042—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 isolated rail sections
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR842670D1938-02-181938-02-18Perfectionnements aux systèmes de protection pour chemins de fer
ExpiredFR842670A
(fr)