FR487585A - Safety installation to avoid train collisions - Google Patents

Safety installation to avoid train collisions

Info

Publication number
FR487585A
FR487585A FR487585DA FR487585A FR 487585 A FR487585 A FR 487585A FR 487585D A FR487585D A FR 487585DA FR 487585 A FR487585 A FR 487585A
Authority
FR
France
Prior art keywords
safety installation
avoid train
train collisions
collisions
avoid
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
Alexis Marchand
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR487585A publication Critical patent/FR487585A/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
    • B61L3/08—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 electrically
    • B61L3/10—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 electrically using current passing between devices along the route and devices on the vehicle or train

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR487585D 1917-11-14 1917-11-14 Safety installation to avoid train collisions Expired FR487585A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR487585T 1917-11-14

Publications (1)

Publication Number Publication Date
FR487585A true FR487585A (en) 1918-07-12

Family

ID=1524047

Family Applications (1)

Application Number Title Priority Date Filing Date
FR487585D Expired FR487585A (en) 1917-11-14 1917-11-14 Safety installation to avoid train collisions

Country Status (1)

Country Link
FR (1) FR487585A (en)

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