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 Generale de Signalisation
Original Assignee
Compagnie Generale de Signalisation
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 Compagnie Generale de SignalisationfiledCriticalCompagnie Generale de Signalisation
Application grantedgrantedCritical
Publication of FR711258ApublicationCriticalpatent/FR711258A/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
B61L23/168—Track circuits specially adapted for section blocking using coded current
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR711258D1930-02-181931-02-13Perfectionnements dans les appareils de commande du trafic des chemins de fer
ExpiredFR711258A
(fr)