FR669335A - Improvements to systems for stopping trains - Google Patents

Improvements to systems for stopping trains

Info

Publication number
FR669335A
FR669335A FR669335DA FR669335A FR 669335 A FR669335 A FR 669335A FR 669335D A FR669335D A FR 669335DA FR 669335 A FR669335 A FR 669335A
Authority
FR
France
Prior art keywords
systems
stopping trains
trains
stopping
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)
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.)
Associated Telephone and Telegraph Co
Original Assignee
Associated Telephone and Telegraph Co
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 Associated Telephone and Telegraph Co filed Critical Associated Telephone and Telegraph Co
Application granted granted Critical
Publication of FR669335A publication Critical patent/FR669335A/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
    • B61L3/12—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 magnetic or electrostatic induction; using radio waves
    • B61L3/121—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 magnetic or electrostatic induction; using radio waves using magnetic induction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR669335D 1928-02-09 1929-02-08 Improvements to systems for stopping trains Expired FR669335A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB669335X 1928-02-09

Publications (1)

Publication Number Publication Date
FR669335A true FR669335A (en) 1929-11-14

Family

ID=10491575

Family Applications (1)

Application Number Title Priority Date Filing Date
FR669335D Expired FR669335A (en) 1928-02-09 1929-02-08 Improvements to systems for stopping trains

Country Status (1)

Country Link
FR (1) FR669335A (en)

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