GB1521273A - Communications system - Google Patents

Communications system

Info

Publication number
GB1521273A
GB1521273A GB40408/75A GB4040875A GB1521273A GB 1521273 A GB1521273 A GB 1521273A GB 40408/75 A GB40408/75 A GB 40408/75A GB 4040875 A GB4040875 A GB 4040875A GB 1521273 A GB1521273 A GB 1521273A
Authority
GB
United Kingdom
Prior art keywords
memory
station
remote station
master station
words
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
GB40408/75A
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 Corp
Original Assignee
General Signal Corp
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 Signal Corp filed Critical General Signal Corp
Publication of GB1521273A publication Critical patent/GB1521273A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C25/00Arrangements for preventing or correcting errors; Monitoring arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L7/00Remote control of local operating means for points, signals, or track-mounted scotch-blocks
    • B61L7/06Remote control of local operating means for points, signals, or track-mounted scotch-blocks using electrical transmission
    • B61L7/08Circuitry
    • B61L7/088Common line wire control using series of coded pulses
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Communication Control (AREA)
  • Selective Calling Equipment (AREA)
GB40408/75A 1974-10-21 1975-10-02 Communications system Expired GB1521273A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US51684974A 1974-10-21 1974-10-21

Publications (1)

Publication Number Publication Date
GB1521273A true GB1521273A (en) 1978-08-16

Family

ID=24057348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40408/75A Expired GB1521273A (en) 1974-10-21 1975-10-02 Communications system

Country Status (8)

Country Link
AU (1) AU501571B2 (nl)
BR (1) BR7506856A (nl)
CA (1) CA1045722A (nl)
FR (1) FR2289088A1 (nl)
GB (1) GB1521273A (nl)
IT (1) IT1049193B (nl)
NL (1) NL7512269A (nl)
ZA (1) ZA756385B (nl)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142175A (en) * 1983-06-16 1985-01-09 Hitachi Ltd Data transmission system
GB2184583A (en) * 1985-12-24 1987-06-24 Edi Engineering Limited Control system
GB2186404A (en) * 1986-02-06 1987-08-12 Notifier Co Security system with signal accuracy checking
GB2189335A (en) * 1986-04-19 1987-10-21 Edward Dorian Bailey Electric signalling system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574190B1 (fr) * 1984-11-30 1987-05-15 Inst Francais Du Petrole Procede pour controler la memorisation de donnees recues par un systeme d'enregistrement sismique et dispositif pour sa mise en oeuvre
WO1989008354A1 (en) * 1988-03-03 1989-09-08 Siemens Aktiengesellschaft Process for controlling and/or monitoring and circuit arrangement for implementing the process
EP0400166A1 (de) * 1989-05-30 1990-12-05 Siemens Aktiengesellschaft Verfahren zur Störungsortung in einer Einrichtung zur Überwachung und/oder Steuerung
CN114894852B (zh) * 2022-03-11 2024-06-14 东北大学 一种PtSnx-rGO-SnO2纳米复合材料及其制备方法和应用

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2142175A (en) * 1983-06-16 1985-01-09 Hitachi Ltd Data transmission system
GB2184583A (en) * 1985-12-24 1987-06-24 Edi Engineering Limited Control system
GB2186404A (en) * 1986-02-06 1987-08-12 Notifier Co Security system with signal accuracy checking
GB2189335A (en) * 1986-04-19 1987-10-21 Edward Dorian Bailey Electric signalling system

Also Published As

Publication number Publication date
AU8591075A (en) 1977-04-28
IT1049193B (it) 1981-01-20
CA1045722A (en) 1979-01-02
ZA756385B (en) 1976-09-29
AU501571B2 (en) 1979-06-21
FR2289088A1 (fr) 1976-05-21
BR7506856A (pt) 1976-08-17
NL7512269A (nl) 1976-04-23
FR2289088B1 (nl) 1980-08-08

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Legal Events

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