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.)
OTIS AUTOMATIC TRAIN CONTROL
Original Assignee
OTIS AUTOMATIC TRAIN CONTROL
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 OTIS AUTOMATIC TRAIN CONTROLfiledCriticalOTIS AUTOMATIC TRAIN CONTROL
Application grantedgrantedCritical
Publication of FR582831ApublicationCriticalpatent/FR582831A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR582831D1923-05-011924-04-30Perfectionnements aux appareils de sécurité pour chemins de fer
ExpiredFR582831A
(fr)