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.)
ARTHUR BERARD
LEON DARDEAU
MAURICE DETROYAT
Original Assignee
ARTHUR BERARD
LEON DARDEAU
MAURICE DETROYAT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ARTHUR BERARD, LEON DARDEAU, MAURICE DETROYATfiledCriticalARTHUR BERARD
Application grantedgrantedCritical
Publication of FR4664EpublicationCriticalpatent/FR4664E/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
B61L13/045—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
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR4664D1904-02-131905-04-01Système de signaux automatiques à courant intermittent pour chemins de fer et tramways
ExpiredFR4664E
(fr)