ZA796773B - Safety coding process for track circuits - Google Patents

Safety coding process for track circuits

Info

Publication number
ZA796773B
ZA796773B ZA00796773A ZA796773A ZA796773B ZA 796773 B ZA796773 B ZA 796773B ZA 00796773 A ZA00796773 A ZA 00796773A ZA 796773 A ZA796773 A ZA 796773A ZA 796773 B ZA796773 B ZA 796773B
Authority
ZA
South Africa
Prior art keywords
modulation
frequency
track
track circuits
check
Prior art date
Application number
ZA00796773A
Other languages
English (en)
Inventor
C Bilet
M Guillard
D Hedoin
Original Assignee
Signaux Entr Electriques
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 Signaux Entr Electriques filed Critical Signaux Entr Electriques
Publication of ZA796773B publication Critical patent/ZA796773B/xx

Links

Classifications

    • 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 vehicle train, e.g. to release brake, 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
    • 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 vehicle trains
    • B61L23/08—Control, warning, or like safety means along the route or between vehicles or vehicle trains for controlling traffic in one direction only
    • B61L23/14—Control, warning, or like safety means along the route or between vehicles or vehicle 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
ZA00796773A 1978-12-22 1979-12-13 Safety coding process for track circuits ZA796773B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7836270A FR2449575A1 (fr) 1978-12-22 1978-12-22 Procede de codage de securite pour circuits de voie

Publications (1)

Publication Number Publication Date
ZA796773B true ZA796773B (en) 1980-12-31

Family

ID=9216501

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00796773A ZA796773B (en) 1978-12-22 1979-12-13 Safety coding process for track circuits

Country Status (10)

Country Link
US (1) US4349170A (fr)
EP (1) EP0013521B1 (fr)
JP (1) JPS5590153A (fr)
AT (1) ATE7007T1 (fr)
AU (1) AU533947B2 (fr)
BR (1) BR7908505A (fr)
DE (1) DE2966897D1 (fr)
ES (1) ES487572A1 (fr)
FR (1) FR2449575A1 (fr)
ZA (1) ZA796773B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3040080C1 (de) * 1980-10-24 1987-11-12 Standard Elektrik Lorenz Ag, 7000 Stuttgart Einrichtung zur signaltechnisch sicheren Datenuebertragung zwischen einer Trasse und auf dieser gefuehrten Fahrzeugen
IN161526B (fr) * 1983-07-29 1987-12-19 Westinghouse Brake & Signal
GB8320509D0 (en) * 1983-07-29 1983-09-01 Westinghouse Brake & Signal Proving safe operation
GB8413324D0 (en) * 1984-05-24 1984-06-27 Westinghouse Brake & Signal Vehicle protection system
IT1225716B (it) * 1988-10-26 1990-11-22 Esacontrol Spa Dispositivo per la protezione dei rele' di binario dai disturbi elettrici
FR2639306B1 (fr) * 1988-11-18 1990-12-21 Alsthom Gec Systeme de transmission d'information d'initialisation, entre des installations fixes et des trains

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB883279A (en) * 1958-08-06 1961-11-29 Ass Elect Ind Improvements relating to a.c. electric supply arrangements
US3268727A (en) * 1964-03-25 1966-08-23 Gibbs & Hill Inc Computer control for transit system
US3551889A (en) * 1967-05-11 1970-12-29 Westinghouse Electric Corp Remote signaling of control signals
US3748466A (en) * 1971-06-14 1973-07-24 Gen Signal Corp Vehicle control system
US3794833A (en) * 1972-05-25 1974-02-26 Westinghouse Air Brake Co Train speed control system
US3970271A (en) * 1975-03-27 1976-07-20 General Signal Corporation Dual frequency track circuit
US4002314A (en) * 1975-07-07 1977-01-11 Westinghouse Electric Corporation Train vehicle speed control signal providing apparatus
JPS52101512A (en) * 1976-02-20 1977-08-25 Hitachi Ltd Device for controlling operation of vehicle
DE2640756C2 (de) * 1976-09-10 1982-11-04 Standard Elektrik Lorenz Ag, 7000 Stuttgart Einrichtung zur gesicherten Datenübertragung bei spurgebundenen Fahrzeugen

Also Published As

Publication number Publication date
AU533947B2 (en) 1983-12-22
AU5407179A (en) 1980-06-26
EP0013521A1 (fr) 1980-07-23
JPS6329457B2 (fr) 1988-06-14
ATE7007T1 (de) 1984-04-15
FR2449575A1 (fr) 1980-09-19
BR7908505A (pt) 1980-07-22
JPS5590153A (en) 1980-07-08
US4349170A (en) 1982-09-14
ES487572A1 (es) 1980-06-16
EP0013521B1 (fr) 1984-04-11
DE2966897D1 (en) 1984-05-17
FR2449575B1 (fr) 1983-01-28

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