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FR435784A - Signal transmission system for railways to prevent accidents - Google Patents

Signal transmission system for railways to prevent accidents

Info

Publication number
FR435784A
FR435784A FR435784DA FR435784A FR 435784 A FR435784 A FR 435784A FR 435784D A FR435784D A FR 435784DA FR 435784 A FR435784 A FR 435784A
Authority
FR
France
Prior art keywords
railways
signal transmission
transmission system
prevent accidents
accidents
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)
Inventor
Joseph Whitman Buell
Addison Griffin Du Bois
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.)
ADDISON GRIFFIN DU BOIS
Original Assignee
ADDISON GRIFFIN DU BOIS
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 ADDISON GRIFFIN DU BOIS filed Critical ADDISON GRIFFIN DU BOIS
Application granted granted Critical
Publication of FR435784A publication Critical patent/FR435784A/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)
FR435784D 1911-10-28 1911-10-28 Signal transmission system for railways to prevent accidents Expired FR435784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR435784T 1911-10-28

Publications (1)

Publication Number Publication Date
FR435784A true FR435784A (en) 1912-03-09

Family

ID=1477550

Family Applications (1)

Application Number Title Priority Date Filing Date
FR435784D Expired FR435784A (en) 1911-10-28 1911-10-28 Signal transmission system for railways to prevent accidents

Country Status (1)

Country Link
FR (1) FR435784A (en)

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