FR945593A - Improvements to signaling devices for railways - Google Patents

Improvements to signaling devices for railways

Info

Publication number
FR945593A
FR945593A FR945593DA FR945593A FR 945593 A FR945593 A FR 945593A FR 945593D A FR945593D A FR 945593DA FR 945593 A FR945593 A FR 945593A
Authority
FR
France
Prior art keywords
railways
signaling devices
signaling
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 des Freins et Signaux Westinghouse SA
Original Assignee
Compagnie des Freins et Signaux Westinghouse SA
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 des Freins et Signaux Westinghouse SA filed Critical Compagnie des Freins et Signaux Westinghouse SA
Application granted granted Critical
Publication of FR945593A publication Critical patent/FR945593A/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
    • B61L23/166—Track circuits specially adapted for section blocking using alternating current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR945593D 1946-03-01 1947-04-23 Improvements to signaling devices for railways Expired FR945593A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB945593X 1946-03-01

Publications (1)

Publication Number Publication Date
FR945593A true FR945593A (en) 1949-05-09

Family

ID=10767124

Family Applications (1)

Application Number Title Priority Date Filing Date
FR945593D Expired FR945593A (en) 1946-03-01 1947-04-23 Improvements to signaling devices for railways

Country Status (1)

Country Link
FR (1) FR945593A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE941620C (en) * 1953-05-03 1956-04-12 Lorenz C Ag Circuit arrangement for tension effects through insulated rail and rail current closer
DE942693C (en) * 1950-02-26 1956-05-03 Lorenz C Ag Circuit arrangement for evaluating an alternating voltage according to size, frequency and phase against a comparison voltage, in particular a track voltage for track vacancy detection in railway safety systems

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE942693C (en) * 1950-02-26 1956-05-03 Lorenz C Ag Circuit arrangement for evaluating an alternating voltage according to size, frequency and phase against a comparison voltage, in particular a track voltage for track vacancy detection in railway safety systems
DE941620C (en) * 1953-05-03 1956-04-12 Lorenz C Ag Circuit arrangement for tension effects through insulated rail and rail current closer

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