FR677996A - Perfectionnements aux systèmes d'arrêt des trains - Google Patents

Perfectionnements aux systèmes d'arrêt des trains

Info

Publication number
FR677996A
FR677996A FR677996DA FR677996A FR 677996 A FR677996 A FR 677996A FR 677996D A FR677996D A FR 677996DA FR 677996 A FR677996 A FR 677996A
Authority
FR
France
Prior art keywords
train stopping
stopping systems
systems
train
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
English (en)
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 FR677996A publication Critical patent/FR677996A/fr
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)
FR677996D 1928-07-16 1929-07-08 Perfectionnements aux systèmes d'arrêt des trains Expired FR677996A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US677996XA 1928-07-16 1928-07-16

Publications (1)

Publication Number Publication Date
FR677996A true FR677996A (fr) 1930-03-17

Family

ID=22078487

Family Applications (1)

Application Number Title Priority Date Filing Date
FR677996D Expired FR677996A (fr) 1928-07-16 1929-07-08 Perfectionnements aux systèmes d'arrêt des trains

Country Status (1)

Country Link
FR (1) FR677996A (fr)

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