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.)
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Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
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Filing date
Publication date
Application filed by Union Switch and Signal IncfiledCriticalUnion Switch and Signal Inc
Application grantedgrantedCritical
Publication of FR391165ApublicationCriticalpatent/FR391165A/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
B61L3/08—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 electrically
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR391165D1908-06-121908-06-12Perfectionnements apportés aux appareils automatiques destinés à régler la vitesse des trains et véhicules analogues
ExpiredFR391165A
(fr)