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Compagnie Generale de Signalisation
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Compagnie Generale de Signalisation
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Application filed by Compagnie Generale de SignalisationfiledCriticalCompagnie Generale de Signalisation
Application grantedgrantedCritical
Publication of FR647606ApublicationCriticalpatent/FR647606A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L1/00—Devices along the route controlled by interaction with the vehicle or train
B61L1/18—Railway track circuits
B61L1/181—Details
B61L1/187—Use of alternating current
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Engineering & Computer Science
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Automation & Control Theory
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Mechanical Engineering
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FR647606D1927-01-281928-01-23Perfectionnements aux systèmes de signalisation à courant alternatif pour chemins de fer et analogues
ExpiredFR647606A
(fr)