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.)
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel GmbH
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Filing date
Publication date
Application filed by O&K Orenstein and Koppel GmbHfiledCriticalO&K Orenstein and Koppel GmbH
Application grantedgrantedCritical
Publication of FR813444ApublicationCriticalpatent/FR813444A/fr
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L29/00—Safety means for rail/road crossing traffic
B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
B61L29/288—Wiring diagram of the signal control circuits
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR813444D1935-11-131936-11-12Dispositif de signalisation automatique pour les passages à niveau à une seule voie
ExpiredFR813444A
(fr)