FR539222A - Device to prevent train collisions - Google Patents

Device to prevent train collisions

Info

Publication number
FR539222A
FR539222A FR539222DA FR539222A FR 539222 A FR539222 A FR 539222A FR 539222D A FR539222D A FR 539222DA FR 539222 A FR539222 A FR 539222A
Authority
FR
France
Prior art keywords
prevent train
train collisions
collisions
prevent
train
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
Leopold Berger
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 FR539222A publication Critical patent/FR539222A/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
    • B61L3/185—Continuous control along the route using electric current passing between devices along the route and devices on the vehicle or train using separate conductors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR539222D 1921-07-08 1921-08-10 Device to prevent train collisions Expired FR539222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS539222X 1921-07-08

Publications (1)

Publication Number Publication Date
FR539222A true FR539222A (en) 1922-06-23

Family

ID=5453476

Family Applications (1)

Application Number Title Priority Date Filing Date
FR539222D Expired FR539222A (en) 1921-07-08 1921-08-10 Device to prevent train collisions

Country Status (1)

Country Link
FR (1) FR539222A (en)

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