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.)
MICHAL GAWINSKI
ROMAN CHALUPNIK
Original Assignee
MICHAL GAWINSKI
ROMAN CHALUPNIK
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Filing date
Publication date
Application filed by MICHAL GAWINSKI, ROMAN CHALUPNIKfiledCriticalMICHAL GAWINSKI
Application grantedgrantedCritical
Publication of FR425768ApublicationCriticalpatent/FR425768A/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
B61L3/16—Continuous control along the route
B61L3/18—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train
B61L3/185—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train using separate conductors
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR425768D1911-02-071911-02-07Dispositif pour empecher les collisions des trains
ExpiredFR425768A
(fr)