FR497543A - Improvements to railroad train control systems - Google Patents

Improvements to railroad train control systems

Info

Publication number
FR497543A
FR497543A FR497543DA FR497543A FR 497543 A FR497543 A FR 497543A FR 497543D A FR497543D A FR 497543DA FR 497543 A FR497543 A FR 497543A
Authority
FR
France
Prior art keywords
control systems
train control
railroad train
railroad
systems
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.)
Mckenzie Holland & Westinghouse Power Signal Compa
Original Assignee
Mckenzie Holland & Westinghouse Power Signal Compa
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 Mckenzie Holland & Westinghouse Power Signal Compa filed Critical Mckenzie Holland & Westinghouse Power Signal Compa
Application granted granted Critical
Publication of FR497543A publication Critical patent/FR497543A/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
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/221—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using track circuits

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR497543D 1918-08-09 1918-08-09 Improvements to railroad train control systems Expired FR497543A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR497543T 1918-08-09

Publications (1)

Publication Number Publication Date
FR497543A true FR497543A (en) 1919-12-09

Family

ID=1532860

Family Applications (1)

Application Number Title Priority Date Filing Date
FR497543D Expired FR497543A (en) 1918-08-09 1918-08-09 Improvements to railroad train control systems

Country Status (1)

Country Link
FR (1) FR497543A (en)

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