HK55186A - Railway signalling receiver - Google Patents

Railway signalling receiver Download PDF

Info

Publication number
HK55186A
HK55186A HK551/86A HK55186A HK55186A HK 55186 A HK55186 A HK 55186A HK 551/86 A HK551/86 A HK 551/86A HK 55186 A HK55186 A HK 55186A HK 55186 A HK55186 A HK 55186A
Authority
HK
Hong Kong
Prior art keywords
signal
receiver
sensed
technique
transform
Prior art date
Application number
HK551/86A
Other languages
English (en)
Inventor
John Cook Andrew
David Negus Paul
Original Assignee
Westinghouse Brake And Signal Company Limited
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 Westinghouse Brake And Signal Company Limited filed Critical Westinghouse Brake And Signal Company Limited
Publication of HK55186A publication Critical patent/HK55186A/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/141—Discrete Fourier transforms
    • 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 trains
    • B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
    • B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
    • B61L23/16—Track circuits specially adapted for section blocking
    • B61L23/166—Track circuits specially adapted for section blocking using alternating current
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Discrete Mathematics (AREA)
  • Algebra (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
HK551/86A 1981-12-22 1986-07-24 Railway signalling receiver HK55186A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8138634 1981-12-22
GB8223767 1982-08-18

Publications (1)

Publication Number Publication Date
HK55186A true HK55186A (en) 1986-08-01

Family

ID=26281601

Family Applications (1)

Application Number Title Priority Date Filing Date
HK551/86A HK55186A (en) 1981-12-22 1986-07-24 Railway signalling receiver

Country Status (12)

Country Link
US (1) US4516249A (cs)
EP (1) EP0082687B1 (cs)
AU (1) AU555221B2 (cs)
BR (1) BR8207434A (cs)
CA (1) CA1197309A (cs)
DE (1) DE3279121D1 (cs)
ES (1) ES518404A0 (cs)
GB (1) GB2114342B (cs)
HK (1) HK55186A (cs)
IN (1) IN158693B (cs)
NZ (1) NZ202853A (cs)
ZW (1) ZW26382A1 (cs)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0133005B1 (en) * 1983-07-29 1991-02-27 Westinghouse Brake And Signal Holdings Limited Safe operation proving of a controlled system
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
GB2176321B (en) * 1985-06-03 1988-09-21 Westinghouse Brake & Signal Apparatus for performing a fast fourier transform
GB2180377B (en) * 1985-09-16 1989-02-15 Westinghouse Brake & Signal Method and apparatus for identifying the components of a signal
GB2193588B (en) * 1986-08-04 1990-07-25 Gec General Signal Ltd Track circuit signalling arrangement
EP0276332A1 (fr) * 1986-12-30 1988-08-03 S.A. Acec Transport Procédé et dispositif pour décoder un signal-code
NL8800199A (nl) * 1987-02-09 1988-09-01 Gen Signal Corp Digitale vitale snelheidsdecodeur.
IT1225716B (it) * 1988-10-26 1990-11-22 Esacontrol Spa Dispositivo per la protezione dei rele' di binario dai disturbi elettrici
US5140614A (en) * 1990-12-28 1992-08-18 Industrial Technology, Inc. Method and apparatus for detecting digital carrier signals on telephone cables
US5666382A (en) * 1994-02-28 1997-09-09 Abb Daimler-Benz Transportation (North America) Inc. Method and apparatus for communicating in the presence of power and propulsion system interference
US5479440A (en) * 1994-04-15 1995-12-26 Gas Research Institute Apparatus and method for impulsive noise cancellation
US20040208239A1 (en) * 2003-04-21 2004-10-21 Lars Karlsson Method and apparatus for the intelligent and automatic gathering of sudden short duration communications signals
CZ2005497A3 (cs) * 2005-08-05 2006-12-13 Azd Praha S. R. O. Zpusob fázove citlivého vyhodnocení konduktivníhoproudu kolejového obvodu
US20090173841A1 (en) * 2008-01-09 2009-07-09 Ajith Kuttannair Kumar Methods and systems for detecting cab signals
EP3792141A1 (en) * 2019-09-13 2021-03-17 Nabtesco Corporation Railway condition monitoring device

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268727A (en) * 1964-03-25 1966-08-23 Gibbs & Hill Inc Computer control for transit system
US3581279A (en) * 1969-06-09 1971-05-25 Computer Modem Corp Signal transmission method and system
FR2188920A5 (cs) * 1972-06-15 1974-01-18 Trt Telecom Radio Electr
US3871302A (en) * 1973-09-26 1975-03-18 Consolidation Coal Co Trolley control system
US3958781A (en) * 1975-01-29 1976-05-25 Westinghouse Electric Corporation Train vehicle protection apparatus including signal block occupancy determination
DE2723570C3 (de) * 1977-05-25 1980-09-04 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Signalempfänger
US4245325A (en) * 1978-02-24 1981-01-13 Nippon Telegraph And Telephone Public Corporation Digital multifrequency signalling receiver
JPS55112056A (en) * 1979-02-21 1980-08-29 Nec Corp Digital process type receiver for orthogonal multiple signal
US4298985A (en) * 1979-12-31 1981-11-03 The United States Of America As Represented By The Secretary Of The Army Digital filter bank detector
US4352475A (en) * 1980-05-23 1982-10-05 General Signal Corp. Audio frequency track circuit for rapid transit applications with signal modulation security

Also Published As

Publication number Publication date
BR8207434A (pt) 1983-10-18
US4516249A (en) 1985-05-07
EP0082687B1 (en) 1988-10-19
GB2114342B (en) 1985-10-02
ZW26382A1 (en) 1983-04-06
IN158693B (cs) 1987-01-03
AU555221B2 (en) 1986-09-18
GB2114342A (en) 1983-08-17
EP0082687A2 (en) 1983-06-29
DE3279121D1 (cs) 1988-11-24
CA1197309A (en) 1985-11-26
ES8400953A1 (es) 1983-12-01
EP0082687A3 (en) 1984-10-10
NZ202853A (en) 1986-02-21
AU9182182A (en) 1983-06-30
ES518404A0 (es) 1983-12-01

Similar Documents

Publication Publication Date Title
HK55186A (en) Railway signalling receiver
CA1070390A (en) Method and apparatus for transmitting intelligence over a carrier wave
ES8406011A1 (es) Un desmodulador para desmodular una senal alternativa modulada por frecuencia o por tiempo
CA2197365A1 (en) Method and Apparatus for Detecting Railway Activity
ATE102560T1 (de) Verbesserungen in eisenbahnmeldeanlagen.
CA2158212A1 (en) Reduced Harmonic Switching Mode Apparatus and Method for Railroad Vehicle Signaling
ATE16576T1 (de) Schaltung zum feststellen der unsymmetrie des bahnstroms in einem gleisstromkreis.
GB981031A (en) Improvements in electrical interrogator-responder signalling systems
EP0199342A3 (en) Vehicle detecting method and system which can communicate with vehicles
GB980721A (en) Improvements in interrogator-responder signalling systems
DE3068434D1 (en) Method and system for detecting landslip(s) on railways
WO1999058388A3 (de) Anordnung zum übertragen eines sendesignals von einem sender zu einem schienenfahrzeug zur ortung und informationsübermittlung
ATE51118T1 (de) Verfahren und einrichtung zur umwandlung eines elektrischen signals in eine proportionale frequenz.
ATE105796T1 (de) Einrichtung zur gleisfreimeldung im eisenbahnwesen.
FR2360453A1 (fr) Systeme marqueur electronique pour voies ferrees
EP0144538A3 (en) A trigonometric transform function generator
AU5008496A (en) Method and device for analysing radio navigation signals
JP3197932B2 (ja) 列車制御用通信装置
GB1276948A (en) A method of transmitting information along railway tracks and apparatus for use therein
GB1527399A (en) Locating non-linear junctions between metallic materials and/or semi-conductive materials
GB1066355A (en) Jointless track circuit
EP0387092A3 (en) Traffic monitoring equipment
ES8800465A1 (es) Aparato para la realizacion de una transformada rapida de fourier sobre muestras de tiempo real de una senal recibida
JP3118067B2 (ja) 列車位置検知装置
CA2241520A1 (en) Train proximity detector

Legal Events

Date Code Title Description
PE Patent expired