FR644868A - Improvements in railway traffic control devices - Google Patents

Improvements in railway traffic control devices

Info

Publication number
FR644868A
FR644868A FR644868DA FR644868A FR 644868 A FR644868 A FR 644868A FR 644868D A FR644868D A FR 644868DA FR 644868 A FR644868 A FR 644868A
Authority
FR
France
Prior art keywords
control devices
traffic control
railway traffic
railway
devices
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.)
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 FR644868A publication Critical patent/FR644868A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08Circuitry
    • B61L7/088Common line wire control using series of coded pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR644868D 1927-11-23 1927-11-23 Improvements in railway traffic control devices Expired FR644868A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR644868T 1927-11-23

Publications (1)

Publication Number Publication Date
FR644868A true FR644868A (en) 1928-10-16

Family

ID=9000391

Family Applications (1)

Application Number Title Priority Date Filing Date
FR644868D Expired FR644868A (en) 1927-11-23 1927-11-23 Improvements in railway traffic control devices

Country Status (1)

Country Link
FR (1) FR644868A (en)

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