FR678730A - Improvements to train control systems - Google Patents

Improvements to train control systems

Info

Publication number
FR678730A
FR678730A FR678730DA FR678730A FR 678730 A FR678730 A FR 678730A FR 678730D A FR678730D A FR 678730DA FR 678730 A FR678730 A FR 678730A
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.)
SPX Corp
Original Assignee
General Railway Signal 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 General Railway Signal Co filed Critical General Railway Signal Co
Application granted granted Critical
Publication of FR678730A publication Critical patent/FR678730A/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)
FR678730D 1928-07-18 1929-07-18 Improvements to train control systems Expired FR678730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US678730XA 1928-07-18 1928-07-18

Publications (1)

Publication Number Publication Date
FR678730A true FR678730A (en) 1930-04-03

Family

ID=22078984

Family Applications (1)

Application Number Title Priority Date Filing Date
FR678730D Expired FR678730A (en) 1928-07-18 1929-07-18 Improvements to train control systems

Country Status (1)

Country Link
FR (1) FR678730A (en)

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