FR641481A - Improvements to train control systems - Google Patents

Improvements to train control systems

Info

Publication number
FR641481A
FR641481A FR641481DA FR641481A FR 641481 A FR641481 A FR 641481A FR 641481D A FR641481D A FR 641481DA FR 641481 A FR641481 A FR 641481A
Authority
FR
France
Prior art keywords
control systems
train control
train
systems
control
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 FR641481A publication Critical patent/FR641481A/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)
FR641481D 1926-10-06 1927-09-22 Improvements to train control systems Expired FR641481A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US641481XA 1926-10-06 1926-10-06

Publications (1)

Publication Number Publication Date
FR641481A true FR641481A (en) 1928-08-04

Family

ID=22053884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR641481D Expired FR641481A (en) 1926-10-06 1927-09-22 Improvements to train control systems

Country Status (1)

Country Link
FR (1) FR641481A (en)

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