ZA737861B - 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
ZA737861B
ZA737861B ZA737861A ZA737861A ZA737861B ZA 737861 B ZA737861 B ZA 737861B ZA 737861 A ZA737861 A ZA 737861A ZA 737861 A ZA737861 A ZA 737861A ZA 737861 B ZA737861 B ZA 737861B
Authority
ZA
South Africa
Prior art keywords
relating
systems
signalling apparatus
railway signalling
railway
Prior art date
Application number
ZA737861A
Inventor
R Barnard
D Stratton
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 ZA737861B publication Critical patent/ZA737861B/en

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/16—Continuous control along the route
    • B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
    • B61L3/24—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation employing different frequencies or coded pulse groups, e.g. in combination with track circuits
    • B61L3/246—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation employing different frequencies or coded pulse groups, e.g. in combination with track circuits using coded current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
ZA737861A 1972-10-18 1973-10-09 Improvements in or relating to railway signalling apparatus and systems ZA737861B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4793872A GB1451431A (en) 1972-10-18 1972-10-18 Railway signalling apparatus and systems

Publications (1)

Publication Number Publication Date
ZA737861B true ZA737861B (en) 1974-09-25

Family

ID=10446791

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA737861A ZA737861B (en) 1972-10-18 1973-10-09 Improvements in or relating to railway signalling apparatus and systems

Country Status (5)

Country Link
AU (1) AU476241B2 (en)
ES (1) ES419765A1 (en)
GB (1) GB1451431A (en)
NL (1) NL7314277A (en)
ZA (1) ZA737861B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2431409A1 (en) * 1978-07-17 1980-02-15 Jeumont Schneider DEVICE FOR TRANSMITTING INFORMATION BY RAILS BETWEEN A RAILWAY TRACK AND A SET OF VEHICLES TRAFFICING THEREON
FR2479122A2 (en) * 1980-03-25 1981-10-02 Jeumont Schneider DEVICE FOR TRANSMITTING INFORMATION BY RAILS BETWEEN A RAILWAY PATHWAY AND A SET OF VEHICLES CIRCULATING THEREWAY
CS217737B1 (en) * 1980-04-04 1983-01-28 Oldrich Poupe Connection of the railway circuit with plural signalling sources
GB8718519D0 (en) * 1987-08-05 1987-09-09 Ml Eng Plymouth Railway signalling apparatus
NL1026709C2 (en) * 2004-07-23 2006-01-24 Holland Railconsult B V System and method for transmitting signals to a moving rail vehicle.
NL1027955C2 (en) * 2004-12-08 2006-06-09 Nedtrain Consulting B V Speed monitoring system for trains.

Also Published As

Publication number Publication date
NL7314277A (en) 1974-04-22
ES419765A1 (en) 1976-03-01
AU6185173A (en) 1975-05-01
AU476241B2 (en) 1976-09-16
GB1451431A (en) 1976-10-06

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