ZA718433B - Electrical signalling for railways - Google Patents

Electrical signalling for railways

Info

Publication number
ZA718433B
ZA718433B ZA718433A ZA718433A ZA718433B ZA 718433 B ZA718433 B ZA 718433B ZA 718433 A ZA718433 A ZA 718433A ZA 718433 A ZA718433 A ZA 718433A ZA 718433 B ZA718433 B ZA 718433B
Authority
ZA
South Africa
Prior art keywords
railways
electrical signalling
signalling
electrical
Prior art date
Application number
ZA718433A
Inventor
G Miller
Original Assignee
Ml Eng 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 Ml Eng Ltd filed Critical Ml Eng Ltd
Publication of ZA718433B publication Critical patent/ZA718433B/en

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
    • 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)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
ZA718433A 1970-12-21 1971-12-15 Electrical signalling for railways ZA718433B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB6062670 1970-12-21

Publications (1)

Publication Number Publication Date
ZA718433B true ZA718433B (en) 1972-09-27

Family

ID=10485834

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA718433A ZA718433B (en) 1970-12-21 1971-12-15 Electrical signalling for railways

Country Status (4)

Country Link
AU (1) AU465109B2 (en)
FR (1) FR2118946B1 (en)
GB (1) GB1349651A (en)
ZA (1) ZA718433B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK492180A (en) * 1979-11-28 1981-05-29 Licentia Gmbh DEVICE FOR CLAR ALARMING OF RAILWAY
FR2539372A1 (en) * 1983-01-13 1984-07-20 Alsthom Atlantique MODULATION SYSTEMS FOR RAILWAY CIRCUITS
GB2400222B (en) * 2003-04-01 2005-11-30 Trevor Edwin Clegg Railway train detection system
WO2008052643A2 (en) * 2006-10-30 2008-05-08 Siemens Schweiz Ag Method and device for evaluation of measurement data in railway track circuits

Also Published As

Publication number Publication date
FR2118946A1 (en) 1972-08-04
FR2118946B1 (en) 1977-01-28
GB1349651A (en) 1974-04-10
AU465109B2 (en) 1975-09-18
AU3703671A (en) 1973-06-21

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