FR703242A - Improvements in railway traffic control devices - Google Patents

Improvements in railway traffic control devices

Info

Publication number
FR703242A
FR703242A FR703242DA FR703242A FR 703242 A FR703242 A FR 703242A FR 703242D A FR703242D A FR 703242DA FR 703242 A FR703242 A FR 703242A
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 FR703242A publication Critical patent/FR703242A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry
    • B61L7/081—Direct line wire control

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR703242D 1929-09-30 1930-09-30 Improvements in railway traffic control devices Expired FR703242A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US703242XA 1929-09-30 1929-09-30

Publications (1)

Publication Number Publication Date
FR703242A true FR703242A (en) 1931-04-27

Family

ID=22094598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR703242D Expired FR703242A (en) 1929-09-30 1930-09-30 Improvements in railway traffic control devices

Country Status (1)

Country Link
FR (1) FR703242A (en)

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