FR506541A - Improvements in railway signaling systems with alternating currents - Google Patents

Improvements in railway signaling systems with alternating currents

Info

Publication number
FR506541A
FR506541A FR506541A FR506541DA FR506541A FR 506541 A FR506541 A FR 506541A FR 506541 A FR506541 A FR 506541A FR 506541D A FR506541D A FR 506541DA FR 506541 A FR506541 A FR 506541A
Authority
FR
France
Prior art keywords
alternating currents
signaling systems
railway signaling
railway
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
FR506541A
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.)
Compagnie Generale de Signalisation
Original Assignee
Compagnie Generale de Signalisation
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 Compagnie Generale de Signalisation filed Critical Compagnie Generale de Signalisation
Application granted granted Critical
Publication of FR506541A publication Critical patent/FR506541A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
FR506541A 1918-12-10 1919-11-25 Improvements in railway signaling systems with alternating currents Expired FR506541A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB506541X 1918-12-10

Publications (1)

Publication Number Publication Date
FR506541A true FR506541A (en) 1920-08-24

Family

ID=10456811

Family Applications (1)

Application Number Title Priority Date Filing Date
FR506541A Expired FR506541A (en) 1918-12-10 1919-11-25 Improvements in railway signaling systems with alternating currents

Country Status (1)

Country Link
FR (1) FR506541A (en)

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