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AU463306B2 - Improvements in or relating to railway signalling apparatus and systems - Google Patents
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AU463306B2 - Improvements in or relating to railway signalling apparatus and systems - Google Patents

Improvements in or relating to railway signalling apparatus and systems

Info

Publication number
AU463306B2
AU463306B2 AU39134/72A AU3913472A AU463306B2 AU 463306 B2 AU463306 B2 AU 463306B2 AU 39134/72 A AU39134/72 A AU 39134/72A AU 3913472 A AU3913472 A AU 3913472A AU 463306 B2 AU463306 B2 AU 463306B2
Authority
AU
Australia
Prior art keywords
relating
systems
signalling apparatus
railway signalling
railway
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
AU39134/72A
Other versions
AU3913472A (en
Inventor
IAN FOSTER and DAVID HUGH STRATTON GEOFFREY
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.)
GEC General Signal Ltd
Original Assignee
GEC General Signal Ltd
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 GEC General Signal Ltd filed Critical GEC General Signal Ltd
Publication of AU3913472A publication Critical patent/AU3913472A/en
Application granted granted Critical
Publication of AU463306B2 publication Critical patent/AU463306B2/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)
  • Train Traffic Observation, Control, And Security (AREA)
AU39134/72A 1971-02-23 1972-02-18 Improvements in or relating to railway signalling apparatus and systems Expired AU463306B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB523971 1971-02-23
GBGB5239/71 1971-02-23

Publications (2)

Publication Number Publication Date
AU3913472A AU3913472A (en) 1973-08-23
AU463306B2 true AU463306B2 (en) 1975-07-02

Family

ID=9792332

Family Applications (1)

Application Number Title Priority Date Filing Date
AU39134/72A Expired AU463306B2 (en) 1971-02-23 1972-02-18 Improvements in or relating to railway signalling apparatus and systems

Country Status (4)

Country Link
AU (1) AU463306B2 (en)
GB (1) GB1326885A (en)
NL (1) NL7202017A (en)
ZA (1) ZA72991B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304377A (en) * 1977-06-08 1981-12-08 Compagnie De Signaux Et D'entreprises Electriques Electrical block separating joints for railway signaling systems
DE2951124C2 (en) 1979-12-19 1986-02-20 Standard Elektrik Lorenz Ag, 7000 Stuttgart Electrical separation joint for track circuits fed with alternating current in railway systems

Also Published As

Publication number Publication date
AU3913472A (en) 1973-08-23
NL7202017A (en) 1972-08-25
ZA72991B (en) 1972-10-25
GB1326885A (en) 1973-08-15

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