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.)
Alcatel Lucent Deutschland AG
C Lorenz AG
Original Assignee
Standard Elektrik Lorenz AG
C Lorenz AG
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Filing date
Publication date
Application filed by Standard Elektrik Lorenz AG, C Lorenz AGfiledCriticalStandard Elektrik Lorenz AG
Application grantedgrantedCritical
Publication of FR53219EpublicationCriticalpatent/FR53219E/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
B61L29/32—Timing, e.g. advance warning of approaching train
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR53219D1943-11-301943-11-30Installation d'annonce des trains
ExpiredFR53219E
(fr)