FR697196A - Semi-automatic or automatic warning signal for locomotives - Google Patents

Semi-automatic or automatic warning signal for locomotives

Info

Publication number
FR697196A
FR697196A FR697196DA FR697196A FR 697196 A FR697196 A FR 697196A FR 697196D A FR697196D A FR 697196DA FR 697196 A FR697196 A FR 697196A
Authority
FR
France
Prior art keywords
automatic
locomotives
semi
warning signal
automatic warning
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
Georges De Gasenko
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 FR697196A publication Critical patent/FR697196A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • 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
    • B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/04—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling mechanically

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR697196D 1930-06-11 1930-06-11 Semi-automatic or automatic warning signal for locomotives Expired FR697196A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR697196T 1930-06-11

Publications (1)

Publication Number Publication Date
FR697196A true FR697196A (en) 1931-01-13

Family

ID=9047027

Family Applications (1)

Application Number Title Priority Date Filing Date
FR697196D Expired FR697196A (en) 1930-06-11 1930-06-11 Semi-automatic or automatic warning signal for locomotives

Country Status (1)

Country Link
FR (1) FR697196A (en)

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