FR2214620A1 - - Google Patents

Info

Publication number
FR2214620A1
FR2214620A1 FR7301831A FR7301831A FR2214620A1 FR 2214620 A1 FR2214620 A1 FR 2214620A1 FR 7301831 A FR7301831 A FR 7301831A FR 7301831 A FR7301831 A FR 7301831A FR 2214620 A1 FR2214620 A1 FR 2214620A1
Authority
FR
France
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.)
Granted
Application number
FR7301831A
Other versions
FR2214620B1 (fr
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.)
Jeumont Schneider SA
Original Assignee
Jeumont Schneider 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 Jeumont Schneider SA filed Critical Jeumont Schneider SA
Priority to FR7301831A priority Critical patent/FR2214620B1/fr
Priority to ZA00740045A priority patent/ZA7445B/xx
Priority to AU64224/74A priority patent/AU489950B2/en
Priority to ES422136A priority patent/ES422136A1/es
Priority to TR18000A priority patent/TR18000A/xx
Priority to BE1005651A priority patent/BE809847A/fr
Priority to CA190,625A priority patent/CA1006958A/fr
Priority to JP49008462A priority patent/JPS49126004A/ja
Publication of FR2214620A1 publication Critical patent/FR2214620A1/fr
Application granted granted Critical
Publication of FR2214620B1 publication Critical patent/FR2214620B1/fr
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)
FR7301831A 1973-01-19 1973-01-19 Expired FR2214620B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7301831A FR2214620B1 (fr) 1973-01-19 1973-01-19
ZA00740045A ZA7445B (en) 1973-01-19 1974-01-03 Gapless track circuit using high-voltage pulses
AU64224/74A AU489950B2 (en) 1973-01-19 1974-01-04 Gapless track circuit using high-voltage pulses
ES422136A ES422136A1 (es) 1973-01-19 1974-01-09 Circuito de via sin juntas aislantes y con impulsos de ten-sion elevada.
TR18000A TR18000A (tr) 1973-01-19 1974-01-15 Izole edici contasiz yuesek gerilim empuelsiyonlu oyol devresi
BE1005651A BE809847A (fr) 1973-01-19 1974-01-17 Circuit de voie sans joints isolants et a impulsions de tensionelevee
CA190,625A CA1006958A (fr) 1973-01-19 1974-01-18 Circuit de voie sans joints isolants et a impulsions de tension elevee
JP49008462A JPS49126004A (fr) 1973-01-19 1974-01-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7301831A FR2214620B1 (fr) 1973-01-19 1973-01-19

Publications (2)

Publication Number Publication Date
FR2214620A1 true FR2214620A1 (fr) 1974-08-19
FR2214620B1 FR2214620B1 (fr) 1975-04-04

Family

ID=9113530

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7301831A Expired FR2214620B1 (fr) 1973-01-19 1973-01-19

Country Status (7)

Country Link
JP (1) JPS49126004A (fr)
BE (1) BE809847A (fr)
CA (1) CA1006958A (fr)
ES (1) ES422136A1 (fr)
FR (1) FR2214620B1 (fr)
TR (1) TR18000A (fr)
ZA (1) ZA7445B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2591980A1 (fr) * 1985-12-23 1987-06-26 Jeumont Schneider Dispositif d'extraction du signal impulsionnel parmi des signaux parasites dans un recepteur d'un circuit de voie ferroviaire
EP0288564A1 (fr) * 1986-10-03 1988-11-02 The Nippon Signal Co. Ltd. Detecteur de vehicules sur une piste

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1138645A (fr) * 1955-12-17 1957-06-17 Forges Ateliers Const Electr Circuits de voie sans joints isolants
FR1448077A (fr) * 1965-05-05 1966-08-05 Jeumont Schneider Circuits de voie sans joints isolants
US3345512A (en) * 1965-05-06 1967-10-03 Westinghouse Air Brake Co Audio frequency overlay detector track circuit for electric propulsion territory

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1138645A (fr) * 1955-12-17 1957-06-17 Forges Ateliers Const Electr Circuits de voie sans joints isolants
FR1448077A (fr) * 1965-05-05 1966-08-05 Jeumont Schneider Circuits de voie sans joints isolants
US3345512A (en) * 1965-05-06 1967-10-03 Westinghouse Air Brake Co Audio frequency overlay detector track circuit for electric propulsion territory

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2591980A1 (fr) * 1985-12-23 1987-06-26 Jeumont Schneider Dispositif d'extraction du signal impulsionnel parmi des signaux parasites dans un recepteur d'un circuit de voie ferroviaire
EP0288564A1 (fr) * 1986-10-03 1988-11-02 The Nippon Signal Co. Ltd. Detecteur de vehicules sur une piste
EP0288564A4 (fr) * 1986-10-03 1989-06-21 Nippon Signal Co Ltd Detecteur de vehicules sur une piste.

Also Published As

Publication number Publication date
JPS49126004A (fr) 1974-12-03
BE809847A (fr) 1974-05-16
TR18000A (tr) 1976-08-20
AU6422474A (en) 1975-07-10
ES422136A1 (es) 1976-07-16
ZA7445B (en) 1975-01-29
FR2214620B1 (fr) 1975-04-04
CA1006958A (fr) 1977-03-15

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Legal Events

Date Code Title Description
ST Notification of lapse