GB1339372A - Track circuit - Google Patents

Track circuit

Info

Publication number
GB1339372A
GB1339372A GB2379572A GB2379572A GB1339372A GB 1339372 A GB1339372 A GB 1339372A GB 2379572 A GB2379572 A GB 2379572A GB 2379572 A GB2379572 A GB 2379572A GB 1339372 A GB1339372 A GB 1339372A
Authority
GB
United Kingdom
Prior art keywords
track
track circuit
entreprises
electriques
compagnie
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
GB2379572A
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 de Signaux et dEntreprises Electriques SA
Original Assignee
Compagnie de Signaux et dEntreprises Electriques 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 de Signaux et dEntreprises Electriques SA filed Critical Compagnie de Signaux et dEntreprises Electriques SA
Publication of GB1339372A publication Critical patent/GB1339372A/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)
  • Measurement Of Radiation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)

Abstract

1339372 Track circuit COMPAGNIE DE SIGNAUX ET D'ENTREPRISES ELECTRIQUES 19 May 1972 [19 May 1971] 23795/72 Heading B7N In an A.C. track circuit including supply generator E, receiver R and track relay RV, a plurality of capacitances C1-Cn of substantially the same capacity are connected across the track at predetermined intervals to stabilize both attenuation and input impedance during wide changes in track insulation.
GB2379572A 1971-05-19 1972-05-19 Track circuit Expired GB1339372A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR717118121A FR2138201B1 (en) 1971-05-19 1971-05-19

Publications (1)

Publication Number Publication Date
GB1339372A true GB1339372A (en) 1973-12-05

Family

ID=9077299

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2379572A Expired GB1339372A (en) 1971-05-19 1972-05-19 Track circuit

Country Status (5)

Country Link
AU (1) AU461163B2 (en)
DE (1) DE2224056A1 (en)
FR (1) FR2138201B1 (en)
GB (1) GB1339372A (en)
ZA (1) ZA723400B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155225A (en) * 1984-02-24 1985-09-18 Ml Eng Plymouth Track signalling circuit for electrified railways
WO2013027195A1 (en) * 2011-08-25 2013-02-28 Societe Nationale Des Chemins De Fer Francais Sncf System for the detection of a shunt on a railway track

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2568209B1 (en) * 1984-07-27 1988-07-08 Signaux Entr Electriques PERFECTED TRACK CIRCUIT FOR ALTERNATIVE CURRENT ELECTRIC RAILWAYS
DE3534708A1 (en) * 1985-09-28 1987-04-02 Ivv Ingenieurgesellschaft Fuer TRACK CIRCUIT WITH OR WITHOUT INSULATION FOR RAILWAY SYSTEMS
DE3732159A1 (en) * 1987-09-24 1989-04-13 Ivv Ingenieurgesellschaft Fuer Method and circuit arrangement for monitoring track sections in railway systems
DE102006024691A1 (en) * 2006-05-19 2007-11-22 Siemens Ag Device for detecting the occupancy or leisure state of a track section

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3450874A (en) * 1967-03-31 1969-06-17 Gen Electric Railway track circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155225A (en) * 1984-02-24 1985-09-18 Ml Eng Plymouth Track signalling circuit for electrified railways
WO2013027195A1 (en) * 2011-08-25 2013-02-28 Societe Nationale Des Chemins De Fer Francais Sncf System for the detection of a shunt on a railway track
FR2979318A1 (en) * 2011-08-25 2013-03-01 Sncf SYSTEM FOR DETECTING A SHUNT ON A RAILWAY ROUTE

Also Published As

Publication number Publication date
AU4248572A (en) 1973-11-22
AU461163B2 (en) 1975-05-15
FR2138201A1 (en) 1973-01-05
FR2138201B1 (en) 1973-05-11
ZA723400B (en) 1973-02-28
DE2224056A1 (en) 1972-11-30

Similar Documents

Publication Publication Date Title
DE3486084T2 (en) VOTING SYSTEM ON DIELECTRIC SUBSTRATES.
DE3579468D1 (en) DEVICE FOR RECEIVING SUPER HIGH FREQUENCY SIGNALS.
ES454160A1 (en) Pyrazinecarboxamides and processes for preparing same
GB1339372A (en) Track circuit
SE7608363L (en) INSERT TYPE CAR RADIO RECEIVER AND HALLER FOR THE SAME
GB1554090A (en) Inhibitors obtained from bacilli for glycoside hydrolases
GB1206811A (en) Improvements relating to track communication systems for moving trains
JPS5372410A (en) Signal transmission system
JPS52155904A (en) Response confirming system for simultaneous information
JPS5310912A (en) Two-way multiplex transmission control system
AU505145B2 (en) Coke quench car
CA938369A (en) Combined high and low frequencies for track circuit
AU511116B2 (en) Railway sleeper
JPS5376798A (en) Receiver of fire alarm system
CH608284A5 (en) Deformable component for dampners, in particular for devices for the automatic coupling of railway vehicles
JPS5315723A (en) Priority selection circuit
JPS52140225A (en) Monitor system
JPS5379407A (en) Terminal equipment for serites type interface
JPS5323407A (en) Method of designating number of composed trains
FR2334549A1 (en) Call signal assigning device - is used for address controlled signal transmission to rail vehicles and has different call signals for different track sections
JPS5355901A (en) Sequential connection control system
HU171917B (en) Circuit array suitably for track circuit receiver of electronic railway block system
JPS5218110A (en) Charge information transfer checking system
JPS5368937A (en) Data gathering system
JPS5255411A (en) Branch insertion type focusing system

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee