FR728074A - Signals for level crossings - Google Patents

Signals for level crossings

Info

Publication number
FR728074A
FR728074A FR728074DA FR728074A FR 728074 A FR728074 A FR 728074A FR 728074D A FR728074D A FR 728074DA FR 728074 A FR728074 A FR 728074A
Authority
FR
France
Prior art keywords
signals
level crossings
crossings
level
Prior art date
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.)
Expired
Application number
Other languages
French (fr)
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.)
Compagnie Generale de Signalisation
Original Assignee
Compagnie Generale de Signalisation
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 Compagnie Generale de Signalisation filed Critical Compagnie Generale de Signalisation
Application granted granted Critical
Publication of FR728074A publication Critical patent/FR728074A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • 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
    • B61L29/286—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 using conductor circuits controlled by the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR728074D 1930-12-11 1931-12-10 Signals for level crossings Expired FR728074A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US728074XA 1930-12-11 1930-12-11

Publications (1)

Publication Number Publication Date
FR728074A true FR728074A (en) 1932-06-29

Family

ID=22109867

Family Applications (1)

Application Number Title Priority Date Filing Date
FR728074D Expired FR728074A (en) 1930-12-11 1931-12-10 Signals for level crossings

Country Status (1)

Country Link
FR (1) FR728074A (en)

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