FR68717E - Control and signaling device for railway tracks - Google Patents

Control and signaling device for railway tracks

Info

Publication number
FR68717E
FR68717E FR68717DA FR68717E FR 68717 E FR68717 E FR 68717E FR 68717D A FR68717D A FR 68717DA FR 68717 E FR68717 E FR 68717E
Authority
FR
France
Prior art keywords
control
signaling device
railway tracks
railway
tracks
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 Helmert
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR68717E publication Critical patent/FR68717E/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
    • B61L7/10—Circuitry for light signals, e.g. for supervision, back-signalling
    • B61L7/103—Electric control of the setting of signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR68717D 1955-08-03 1955-08-03 Control and signaling device for railway tracks Expired FR68717E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR68717T 1955-08-03

Publications (1)

Publication Number Publication Date
FR68717E true FR68717E (en) 1958-06-09

Family

ID=8700704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR68717D Expired FR68717E (en) 1955-08-03 1955-08-03 Control and signaling device for railway tracks

Country Status (1)

Country Link
FR (1) FR68717E (en)

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