GB836434A - Electronic track circuit for railroads - Google Patents

Electronic track circuit for railroads

Info

Publication number
GB836434A
GB836434A GB30149/56A GB3014956A GB836434A GB 836434 A GB836434 A GB 836434A GB 30149/56 A GB30149/56 A GB 30149/56A GB 3014956 A GB3014956 A GB 3014956A GB 836434 A GB836434 A GB 836434A
Authority
GB
United Kingdom
Prior art keywords
relay
points
contacts
circuit
track
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
GB30149/56A
Other languages
English (en)
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 Technologies Inc
Original Assignee
General Railway Signal Co
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 Railway Signal Co filed Critical General Railway Signal Co
Publication of GB836434A publication Critical patent/GB836434A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L21/00Station blocking between signal boxes in one yard
    • B61L21/06Vehicle-on-line indication; Monitoring locking and release of the route
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L1/00Devices along the route controlled by interaction with the vehicle or train
    • B61L1/18Railway track circuits
    • B61L1/181Details
    • B61L1/187Use of alternating current
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L19/00Arrangements for interlocking between points and signals by means of a single interlocking device, e.g. central control
    • B61L19/06Interlocking devices having electrical operation
    • B61L19/14Interlocking devices having electrical operation with electrical locks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00Safety means for rail/road crossing traffic
    • B61L29/24Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/28Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
    • B61L29/286Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated using conductor circuits controlled by the vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Near-Field Transmission Systems (AREA)
GB30149/56A 1955-10-05 1956-10-03 Electronic track circuit for railroads Expired GB836434A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US538552A US2896068A (en) 1955-10-05 1955-10-05 Electronic track circuit for railroads

Publications (1)

Publication Number Publication Date
GB836434A true GB836434A (en) 1960-06-01

Family

ID=24147381

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30149/56A Expired GB836434A (en) 1955-10-05 1956-10-03 Electronic track circuit for railroads

Country Status (5)

Country Link
US (1) US2896068A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1111237B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES226658A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1172040A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB836434A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208449A (en) * 1987-08-05 1989-03-30 M L Engineering Track indicator apparatus

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3025393A (en) * 1957-07-16 1962-03-13 Gen Railway Signal Co Highway crossing signal control system
US3046392A (en) * 1958-03-03 1962-07-24 Westinghouse Air Brake Co Control circuits
US3183350A (en) * 1959-10-30 1965-05-11 Gen Signal Corp System for detecting hot elements on railway vehicles
US3378682A (en) * 1966-08-09 1968-04-16 Westinghouse Air Brake Co Railroad switch lock release circuits
DE102004057459A1 (de) * 2004-11-25 2006-06-01 Siemens Ag Bahnübergangssicherungssystem
CN110466566B (zh) * 2019-07-25 2022-04-05 北京全路通信信号研究设计院集团有限公司 一种基于列车追踪关系筛选车头前方空闲的方法和系统
CN114620093B (zh) * 2022-01-29 2024-04-30 中铁九局集团电务工程有限公司 一种25hz相敏轨道电路防错配线方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1379592A (en) * 1921-05-24 Assigkktob to latjeence b
US1094894A (en) * 1910-10-11 1914-04-28 Union Switch & Signal Co Block-signal system.
US1152448A (en) * 1912-06-07 1915-09-07 Union Switch & Signal Co Railway signaling.
USRE20317E (en) * 1931-01-21 1937-03-30 Nonlinear circuit
US2069870A (en) * 1933-06-29 1937-02-09 Union Switch & Signal Co Track shunting apparatus
US2105930A (en) * 1935-01-22 1938-01-18 Gen Railway Signal Co Signaling system for railroads
US2347833A (en) * 1942-09-05 1944-05-02 Union Switch & Signal Co Railway traffic controlling apparatus
US2537298A (en) * 1945-10-30 1951-01-09 Union Switch & Signal Co Traffic controlling apparatus
US2549146A (en) * 1946-07-03 1951-04-17 Union Switch & Signal Co Traffic detecting means for protecting operation of railway track switches and the like
US2604581A (en) * 1949-08-10 1952-07-22 Gen Railway Signal Co Switch control for trailable track switches
DE918991C (de) * 1950-04-28 1954-10-11 Lorenz C Ag Gleisstromkreis fuer Eisenbahnsicherungsanlagen

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2208449A (en) * 1987-08-05 1989-03-30 M L Engineering Track indicator apparatus
GB2208449B (en) * 1987-08-05 1992-03-18 M L Engineering Track indicator apparatus

Also Published As

Publication number Publication date
ES226658A1 (es) 1956-06-01
DE1111237B (de) 1961-07-20
US2896068A (en) 1959-07-21
FR1172040A (fr) 1959-02-04
DE1111237C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1962-02-01

Similar Documents

Publication Publication Date Title
US2827515A (en) Automatic telephone alarm system
GB836434A (en) Electronic track circuit for railroads
US2554056A (en) Multiple frequency intermittent inductive cab signal and automatic train control system
US3021506A (en) Communication system
US2277469A (en) Receiving apparatus for train communication systems
GB1101882A (en) Improvements relating to circuit arrangements for detecting the presence of a vehicleon a route
US2342315A (en) Train detecting and reporting apparatus
US2896069A (en) Dragging equipment detecting system for railroads
US1686434A (en) Intermittent inductive train control
US2398572A (en) Remote-control system
CA1044793A (en) Shunt enhancement logic circuit
US2125240A (en) Track circuit for railroads
US2279184A (en) Receiving apparatus for communication systems
US2277478A (en) Railway traffic controlling apparatus
US2160669A (en) Train control system
US1710500A (en) Railway cab signaling and train-control system
US2342314A (en) Train detecting and reporting apparatus
US2131735A (en) Continuous inductive train control system
US2998514A (en) Regulating apparatus
US2279971A (en) Railway traffic controlling apparatus
US2272107A (en) Railway traffic controlling apparatus
US2332213A (en) Control apparatus
SU115932A1 (ru) Устройство непрерывной рельсовой цепи автоблокировки
GB1253289A (en) Railway signalling
US2068934A (en) Automatic control system for locomotive whistles