FR662085A - Improvements to control systems for railways - Google Patents

Improvements to control systems for railways

Info

Publication number
FR662085A
FR662085A FR662085DA FR662085A FR 662085 A FR662085 A FR 662085A FR 662085D A FR662085D A FR 662085DA FR 662085 A FR662085 A FR 662085A
Authority
FR
France
Prior art keywords
railways
control systems
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 FR662085A publication Critical patent/FR662085A/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)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
FR662085D 1927-10-22 1928-10-12 Improvements to control systems for railways Expired FR662085A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US299304XA 1927-10-22 1927-10-22

Publications (1)

Publication Number Publication Date
FR662085A true FR662085A (en) 1929-08-02

Family

ID=21851622

Family Applications (1)

Application Number Title Priority Date Filing Date
FR662085D Expired FR662085A (en) 1927-10-22 1928-10-12 Improvements to control systems for railways

Country Status (2)

Country Link
FR (1) FR662085A (en)
GB (1) GB299304A (en)

Also Published As

Publication number Publication date
GB299304A (en) 1929-08-01

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