FR841983A - Automatic and semi-automatic signaling device for railways - Google Patents

Automatic and semi-automatic signaling device for railways

Info

Publication number
FR841983A
FR841983A FR841983DA FR841983A FR 841983 A FR841983 A FR 841983A FR 841983D A FR841983D A FR 841983DA FR 841983 A FR841983 A FR 841983A
Authority
FR
France
Prior art keywords
automatic
railways
semi
signaling device
automatic signaling
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)
Inventor
Roger Maurice Favard
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 filed Critical
Application granted granted Critical
Publication of FR841983A publication Critical patent/FR841983A/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
    • B61L29/284—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 rail-contacts, rail microphones, or the like, controlled by the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR841983D 1938-08-11 1938-08-11 Automatic and semi-automatic signaling device for railways Expired FR841983A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR841983T 1938-08-11

Publications (1)

Publication Number Publication Date
FR841983A true FR841983A (en) 1939-06-02

Family

ID=9310982

Family Applications (1)

Application Number Title Priority Date Filing Date
FR841983D Expired FR841983A (en) 1938-08-11 1938-08-11 Automatic and semi-automatic signaling device for railways

Country Status (1)

Country Link
FR (1) FR841983A (en)

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