ES8202296A1 - Un aparato de rele electronico perfeccionado para conmutar la corriente de una via de ferrocarril. - Google Patents

Un aparato de rele electronico perfeccionado para conmutar la corriente de una via de ferrocarril.

Info

Publication number
ES8202296A1
ES8202296A1 ES495972A ES495972A ES8202296A1 ES 8202296 A1 ES8202296 A1 ES 8202296A1 ES 495972 A ES495972 A ES 495972A ES 495972 A ES495972 A ES 495972A ES 8202296 A1 ES8202296 A1 ES 8202296A1
Authority
ES
Spain
Prior art keywords
signaling
circuits
track
inputs
current
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
ES495972A
Other languages
English (en)
Other versions
ES495972A0 (es
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.)
SPX Corp
Original Assignee
General Signal Corp
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 General Signal Corp filed Critical General Signal Corp
Publication of ES495972A0 publication Critical patent/ES495972A0/es
Publication of ES8202296A1 publication Critical patent/ES8202296A1/es
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
    • B61L1/188—Use of coded current
    • 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
    • B61L1/20—Safety arrangements for preventing or indicating malfunction of the device, e.g. by leakage current, by lightning

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Relay Circuits (AREA)
  • Electronic Switches (AREA)

Abstract

RELE ELECTRONICO QUE CONMUTA IMPULSOS DE CORRIENTE CODIFICADOS A VIAS DE FERROCARRIL PARA FINES DE SEÑALIZACION. CONSTA DE DOS CIRCUITOS DE SEÑALIZACION (16, 18), TENIENDO CDA UNO DE ELLOS UN TERMINAL DE ENTRADA (P, N); DICHOS CIRCUITOS TIENEN TAMBIEN DOS DISPOSITIVOS DE SEÑALIZACION (30, 30''), UNIDIRECCIONALMENGE CONDUCTIVOS, TALES COMO DIODOS EMISORES DE LUZ, QUE SON CONDUCTIVOS EN SENTIDO DIRECTO; CADA CIRCUITO DE SEÑALIZACION DEFINE UNA TRAYECRORIA PARA LA CORRIENTE A TRAVES DEL DISPOSITIVO DE SEÑALIZACION DEL MISMIO, LA CUAL SHUNTA AL DISPOSITIVO DE SEÑALIZACION DEL OTRO CIRCUITO Y ENCLAVA AL OTRO DISPOSITIVO.
ES495972A 1979-10-17 1980-10-16 Un aparato de rele electronico perfeccionado para conmutar la corriente de una via de ferrocarril. Expired ES8202296A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/085,838 US4320880A (en) 1979-10-17 1979-10-17 Electronic track current switching relay system

Publications (2)

Publication Number Publication Date
ES495972A0 ES495972A0 (es) 1982-01-16
ES8202296A1 true ES8202296A1 (es) 1982-01-16

Family

ID=22194275

Family Applications (1)

Application Number Title Priority Date Filing Date
ES495972A Expired ES8202296A1 (es) 1979-10-17 1980-10-16 Un aparato de rele electronico perfeccionado para conmutar la corriente de una via de ferrocarril.

Country Status (5)

Country Link
US (1) US4320880A (es)
CA (1) CA1148642A (es)
ES (1) ES8202296A1 (es)
IT (1) IT1209272B (es)
ZA (1) ZA806095B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8419373D0 (en) * 1984-07-30 1984-09-05 Westinghouse Brake & Signal Power control circuit
US4645148A (en) * 1985-05-16 1987-02-24 American Standard Inc. Fail-safe voltage-limiting circuit for an audio frequency overlay track circuit
US5783923A (en) * 1995-12-06 1998-07-21 William L. Wise Method and apparatus for multiple-input, multiple output feedback control of variable load systems
US6494409B1 (en) 2002-02-06 2002-12-17 Union Switch & Signal, Inc. Railway code following apparatus
CN101320654B (zh) * 2008-05-23 2011-08-31 淮南矿业(集团)有限责任公司 电压阶跃轨道继电器
FR2938656B1 (fr) * 2008-11-18 2011-08-26 Thales Sa Systeme a securite intrinseque et module de test, notamment pour une utilisation dans un systeme de signalisation ferroviaire

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1525162A (fr) * 1967-03-17 1968-05-17 Jeumont Schneider Circuit électronique de voie pour signalisation ferroviaire
US3868075A (en) * 1972-07-28 1975-02-25 Westinghouse Air Brake Co Jointless coded track circuits for railroad signal systems

Also Published As

Publication number Publication date
ES495972A0 (es) 1982-01-16
CA1148642A (en) 1983-06-21
US4320880A (en) 1982-03-23
IT8025333A0 (it) 1980-10-14
IT1209272B (it) 1989-07-16
ZA806095B (en) 1981-09-30

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Legal Events

Date Code Title Description
MM4A Patent lapsed

Effective date: 19960401