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
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 des Freins et Signaux Westinghouse SAfiledCriticalCompagnie des Freins et Signaux Westinghouse SA
Application grantedgrantedCritical
Publication of FR937550ApublicationCriticalpatent/FR937550A/en
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 vehicle trains
B61L23/08—Control, warning, or like safety means along the route or between vehicles or vehicle trains for controlling traffic in one direction only
B61L23/14—Control, warning, or like safety means along the route or between vehicles or vehicle 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
FR937550D1943-08-211946-08-26
Improvements to code transmitters for signaling systems for railways and the like
ExpiredFR937550A
(en)