FR91390E - Improvements to railway signaling systems - Google Patents

Improvements to railway signaling systems

Info

Publication number
FR91390E
FR91390E FR88268A FR88268A FR91390E FR 91390 E FR91390 E FR 91390E FR 88268 A FR88268 A FR 88268A FR 88268 A FR88268 A FR 88268A FR 91390 E FR91390 E FR 91390E
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
FR88268A
Other languages
French (fr)
Inventor
Hans Fricke
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
Priority claimed from DE1964ST021696 external-priority patent/DE1455427C3/en
Priority claimed from DE1965ST024801 external-priority patent/DE1530411B2/en
Application filed by International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR91390E publication Critical patent/FR91390E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00—Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18—Railway track circuits
    • B61L1/181—Details
    • B61L1/187—Use of alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
FR88268A 1964-02-15 1966-12-21 Improvements to railway signaling systems Expired FR91390E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1964ST021696 DE1455427C3 (en) 1964-02-15 1964-02-15 Insulation-free track circuits for railway safety systems
DE1965ST024801 DE1530411B2 (en) 1965-12-23 1965-12-23 INSULATION-FREE TRACK CIRCUIT FOR TRACK CONNECTIONS IN RAILWAY SYSTEMS

Publications (1)

Publication Number Publication Date
FR91390E true FR91390E (en) 1968-05-31

Family

ID=8622763

Family Applications (1)

Application Number Title Priority Date Filing Date
FR88268A Expired FR91390E (en) 1964-02-15 1966-12-21 Improvements to railway signaling systems

Country Status (1)

Country Link
FR (1) FR91390E (en)

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