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JACQUES FISCHER
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JACQUES FISCHER
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Application filed by JACQUES FISCHERfiledCriticalJACQUES FISCHER
Application grantedgrantedCritical
Publication of FR362286ApublicationCriticalpatent/FR362286A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
B61L23/16—Track circuits specially adapted for section blocking
B61L23/163—Track circuits specially adapted for section blocking using direct current
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR362286D1906-01-091906-01-09Signaux automatiques pour chemin de fer
ExpiredFR362286A
(fr)