GB1360000A - Signalling systems - Google Patents

Signalling systems

Info

Publication number
GB1360000A
GB1360000A GB5414870A GB5414870A GB1360000A GB 1360000 A GB1360000 A GB 1360000A GB 5414870 A GB5414870 A GB 5414870A GB 5414870 A GB5414870 A GB 5414870A GB 1360000 A GB1360000 A GB 1360000A
Authority
GB
United Kingdom
Prior art keywords
oscillator
carrier
frequency
nov
signals
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
GB5414870A
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.)
British Railways Board
Original Assignee
British Railways Board
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 British Railways Board filed Critical British Railways Board
Priority to GB5414870A priority Critical patent/GB1360000A/en
Priority to ZA717485A priority patent/ZA717485B/xx
Priority to IT30918/71A priority patent/IT941120B/it
Priority to AU35558/71A priority patent/AU3555871A/en
Priority to FR7140552A priority patent/FR2114609A5/fr
Priority to SE7114505A priority patent/SE378495B/xx
Priority to AT977771A priority patent/AT317304B/de
Priority to CH1644071A priority patent/CH543144A/it
Priority to DE19712156393 priority patent/DE2156393B2/de
Publication of GB1360000A publication Critical patent/GB1360000A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00—Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06—Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08—Circuitry
    • B61L7/083—Common line wire control using currents of different amplitudes, polarities, frequencies, or the like
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
    • G08C15/02—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division
    • G08C15/04—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path simultaneously, i.e. using frequency division the signals being modulated on carrier frequencies

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Amplitude Modulation (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Selective Calling Equipment (AREA)
GB5414870A 1970-11-13 1970-11-13 Signalling systems Expired GB1360000A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GB5414870A GB1360000A (en) 1970-11-13 1970-11-13 Signalling systems
ZA717485A ZA717485B (en) 1970-11-13 1971-11-08 Improvements relating to signalling systems
IT30918/71A IT941120B (it) 1970-11-13 1971-11-10 Sistema di segnalazione in parti colare sistema a linguetta riso nante
AU35558/71A AU3555871A (en) 1970-11-13 1971-11-10 Signalling systems
FR7140552A FR2114609A5 (OSRAM) 1970-11-13 1971-11-12
SE7114505A SE378495B (OSRAM) 1970-11-13 1971-11-12
AT977771A AT317304B (de) 1970-11-13 1971-11-12 Zeichenübertragungssystem
CH1644071A CH543144A (it) 1970-11-13 1971-11-12 Appareil de signalisation
DE19712156393 DE2156393B2 (de) 1970-11-13 1971-11-12 Schaltungsanordnung zum fernsteuern von eisenbahnsicherungseinrichtungen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5414870A GB1360000A (en) 1970-11-13 1970-11-13 Signalling systems

Publications (1)

Publication Number Publication Date
GB1360000A true GB1360000A (en) 1974-07-17

Family

ID=10470080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5414870A Expired GB1360000A (en) 1970-11-13 1970-11-13 Signalling systems

Country Status (9)

Country Link
AT (1) AT317304B (OSRAM)
AU (1) AU3555871A (OSRAM)
CH (1) CH543144A (OSRAM)
DE (1) DE2156393B2 (OSRAM)
FR (1) FR2114609A5 (OSRAM)
GB (1) GB1360000A (OSRAM)
IT (1) IT941120B (OSRAM)
SE (1) SE378495B (OSRAM)
ZA (1) ZA717485B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226160A (en) * 1988-10-21 1990-06-20 Fuji Heavy Ind Ltd Diagnosis system for motor vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2180301C1 (ru) * 2001-06-29 2002-03-10 Московский государственный университет путей сообщения Устройство обеспечения безопасности на станции путем наложения дополнительных ограничений на прием и отправление поезда

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226160A (en) * 1988-10-21 1990-06-20 Fuji Heavy Ind Ltd Diagnosis system for motor vehicle
GB2226160B (en) * 1988-10-21 1993-08-04 Fuji Heavy Ind Ltd Diagnosis system for motor vehicle

Also Published As

Publication number Publication date
IT941120B (it) 1973-03-01
CH543144A (it) 1973-10-15
DE2156393A1 (de) 1972-06-22
SE378495B (OSRAM) 1975-09-01
FR2114609A5 (OSRAM) 1972-06-30
ZA717485B (en) 1972-07-26
AT317304B (de) 1974-08-26
AU3555871A (en) 1973-05-17
DE2156393B2 (de) 1976-04-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee