FR67620E - Improvements to railway signaling and the like - Google Patents

Improvements to railway signaling and the like

Info

Publication number
FR67620E
FR67620E FR67620DA FR67620E FR 67620 E FR67620 E FR 67620E FR 67620D A FR67620D A FR 67620DA FR 67620 E FR67620 E FR 67620E
Authority
FR
France
Prior art keywords
railway signaling
railway
signaling
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.)
Telecommunications Radioelectriques et Telephoniques SA TRT
Original Assignee
Telecommunications Radioelectriques et Telephoniques SA TRT
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 Telecommunications Radioelectriques et Telephoniques SA TRT filed Critical Telecommunications Radioelectriques et Telephoniques SA TRT
Application granted granted Critical
Publication of FR67620E publication Critical patent/FR67620E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
    • B61L23/16—Track circuits specially adapted for section blocking
    • B61L23/168—Track circuits specially adapted for section blocking using coded current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR67620D 1955-02-24 1955-02-24 Improvements to railway signaling and the like Expired FR67620E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR67620T 1955-02-24

Publications (1)

Publication Number Publication Date
FR67620E true FR67620E (en) 1958-03-14

Family

ID=8699791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR67620D Expired FR67620E (en) 1955-02-24 1955-02-24 Improvements to railway signaling and the like

Country Status (1)

Country Link
FR (1) FR67620E (en)

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