GB514991A - Improvements in or relating to electric signalling systems - Google Patents

Improvements in or relating to electric signalling systems

Info

Publication number
GB514991A
GB514991A GB8417/38A GB841738A GB514991A GB 514991 A GB514991 A GB 514991A GB 8417/38 A GB8417/38 A GB 8417/38A GB 841738 A GB841738 A GB 841738A GB 514991 A GB514991 A GB 514991A
Authority
GB
United Kingdom
Prior art keywords
station
sub
control
line
operated
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
GB8417/38A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB8417/38A priority Critical patent/GB514991A/en
Priority to FR851500D priority patent/FR851500A/fr
Priority to NL92502A priority patent/NL66639C/xx
Publication of GB514991A publication Critical patent/GB514991A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
GB8417/38A 1938-03-18 1938-03-18 Improvements in or relating to electric signalling systems Expired GB514991A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB8417/38A GB514991A (en) 1938-03-18 1938-03-18 Improvements in or relating to electric signalling systems
FR851500D FR851500A (fr) 1938-03-18 1939-03-11 Systèmes de signalisation électrique
NL92502A NL66639C (enExample) 1938-03-18 1939-03-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8417/38A GB514991A (en) 1938-03-18 1938-03-18 Improvements in or relating to electric signalling systems

Publications (1)

Publication Number Publication Date
GB514991A true GB514991A (en) 1939-11-23

Family

ID=9852122

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8417/38A Expired GB514991A (en) 1938-03-18 1938-03-18 Improvements in or relating to electric signalling systems

Country Status (3)

Country Link
FR (1) FR851500A (enExample)
GB (1) GB514991A (enExample)
NL (1) NL66639C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445759A (en) * 1944-03-31 1948-07-27 Standard Telephones Cables Ltd Electric signaling system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2445759A (en) * 1944-03-31 1948-07-27 Standard Telephones Cables Ltd Electric signaling system

Also Published As

Publication number Publication date
FR851500A (fr) 1940-01-09
NL66639C (enExample) 1950-11-15

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