FR798227A - Signaling device for railways - Google Patents

Signaling device for railways

Info

Publication number
FR798227A
FR798227A FR798227DA FR798227A FR 798227 A FR798227 A FR 798227A FR 798227D A FR798227D A FR 798227DA FR 798227 A FR798227 A FR 798227A
Authority
FR
France
Prior art keywords
railways
signaling device
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
Maurice Robert
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 FR798227A publication Critical patent/FR798227A/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
    • B61L3/16—Continuous control along the route
    • B61L3/18—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train
    • B61L3/20—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train employing different frequencies or coded pulse groups, e.g. using currents carried by traction current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR798227D 1935-02-14 1935-02-14 Signaling device for railways Expired FR798227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR798227T 1935-02-14

Publications (1)

Publication Number Publication Date
FR798227A true FR798227A (en) 1936-05-12

Family

ID=9236112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR798227D Expired FR798227A (en) 1935-02-14 1935-02-14 Signaling device for railways

Country Status (1)

Country Link
FR (1) FR798227A (en)

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