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FR951347A - Improvements to railway signaling systems - Google Patents

Improvements to railway signaling systems

Info

Publication number
FR951347A
FR951347A FR951347DA FR951347A FR 951347 A FR951347 A FR 951347A FR 951347D A FR951347D A FR 951347DA FR 951347 A FR951347 A FR 951347A
Authority
FR
France
Prior art keywords
signaling systems
railway signaling
railway
systems
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.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
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 Union Switch and Signal Inc filed Critical Union Switch and Signal Inc
Application granted granted Critical
Publication of FR951347A publication Critical patent/FR951347A/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)
FR951347D 1941-03-27 1947-08-06 Improvements to railway signaling systems Expired FR951347A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US951347XA 1941-03-27 1941-03-27

Publications (1)

Publication Number Publication Date
FR951347A true FR951347A (en) 1949-10-21

Family

ID=22250000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR951347D Expired FR951347A (en) 1941-03-27 1947-08-06 Improvements to railway signaling systems

Country Status (1)

Country Link
FR (1) FR951347A (en)

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