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FR335559A - Improvements in railway signals - Google Patents

Improvements in railway signals

Info

Publication number
FR335559A
FR335559A FR335559DA FR335559A FR 335559 A FR335559 A FR 335559A FR 335559D A FR335559D A FR 335559DA FR 335559 A FR335559 A FR 335559A
Authority
FR
France
Prior art keywords
railway signals
railway
signals
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
Robert Drury Peters
Hjalmar Andrew Ellingson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR335559A publication Critical patent/FR335559A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L13/00—Operation of signals from the vehicle or by the passage of the vehicle
    • B61L13/04—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors
    • B61L13/045—Operation of signals from the vehicle or by the passage of the vehicle using electrical or magnetic interaction between vehicle and track, e.g. by conductor circuits using special means or special conductors using separated rail contacts, pedals or similar

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR335559D 1903-09-25 1903-09-25 Improvements in railway signals Expired FR335559A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR335559T 1903-09-25

Publications (1)

Publication Number Publication Date
FR335559A true FR335559A (en) 1904-02-01

Family

ID=1385026

Family Applications (1)

Application Number Title Priority Date Filing Date
FR335559D Expired FR335559A (en) 1903-09-25 1903-09-25 Improvements in railway signals

Country Status (1)

Country Link
FR (1) FR335559A (en)

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