GB560936A - Improvements in or relating to automatic telecommunication exchange systems - Google Patents

Improvements in or relating to automatic telecommunication exchange systems

Info

Publication number
GB560936A
GB560936A GB14804/42A GB1480442A GB560936A GB 560936 A GB560936 A GB 560936A GB 14804/42 A GB14804/42 A GB 14804/42A GB 1480442 A GB1480442 A GB 1480442A GB 560936 A GB560936 A GB 560936A
Authority
GB
United Kingdom
Prior art keywords
relay
junction
impulse
resistance
selector
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
GB14804/42A
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
Priority to FR957473D priority Critical patent/FR957473A/fr
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB14804/42A priority patent/GB560936A/en
Publication of GB560936A publication Critical patent/GB560936A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/32—Signalling arrangements; Manipulation of signalling currents using trains of DC pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
GB14804/42A 1942-10-22 1942-10-22 Improvements in or relating to automatic telecommunication exchange systems Expired GB560936A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR957473D FR957473A (cg-RX-API-DMAC10.html) 1942-10-22
GB14804/42A GB560936A (en) 1942-10-22 1942-10-22 Improvements in or relating to automatic telecommunication exchange systems

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2376771X 1942-10-22
GB14804/42A GB560936A (en) 1942-10-22 1942-10-22 Improvements in or relating to automatic telecommunication exchange systems

Publications (1)

Publication Number Publication Date
GB560936A true GB560936A (en) 1944-04-27

Family

ID=26250810

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14804/42A Expired GB560936A (en) 1942-10-22 1942-10-22 Improvements in or relating to automatic telecommunication exchange systems

Country Status (2)

Country Link
FR (1) FR957473A (cg-RX-API-DMAC10.html)
GB (1) GB560936A (cg-RX-API-DMAC10.html)

Also Published As

Publication number Publication date
FR957473A (cg-RX-API-DMAC10.html) 1950-02-20

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