GB1144995A - Improvements in or relating to telecommunications for the interconnection of two-wire and four-wire lines - Google Patents

Improvements in or relating to telecommunications for the interconnection of two-wire and four-wire lines

Info

Publication number
GB1144995A
GB1144995A GB371168A GB371168A GB1144995A GB 1144995 A GB1144995 A GB 1144995A GB 371168 A GB371168 A GB 371168A GB 371168 A GB371168 A GB 371168A GB 1144995 A GB1144995 A GB 1144995A
Authority
GB
United Kingdom
Prior art keywords
wire
interconnection
lines
telecommunications
relating
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
GB371168A
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB1144995A publication Critical patent/GB1144995A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
GB371168A 1967-01-25 1968-01-24 Improvements in or relating to telecommunications for the interconnection of two-wire and four-wire lines Expired GB1144995A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967S0107987 DE1298148B (de) 1967-01-25 1967-01-25 Schaltungsanordnung fuer Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, mit Zweidraht- und Vierdrahtleitungen

Publications (1)

Publication Number Publication Date
GB1144995A true GB1144995A (en) 1969-03-12

Family

ID=7528499

Family Applications (1)

Application Number Title Priority Date Filing Date
GB371168A Expired GB1144995A (en) 1967-01-25 1968-01-24 Improvements in or relating to telecommunications for the interconnection of two-wire and four-wire lines

Country Status (5)

Country Link
BE (1) BE709862A (ja)
DE (1) DE1298148B (ja)
FR (1) FR1551684A (ja)
GB (1) GB1144995A (ja)
SE (1) SE348909B (ja)

Also Published As

Publication number Publication date
FR1551684A (ja) 1968-12-27
SE348909B (ja) 1972-09-11
DE1298148B (de) 1969-06-26
BE709862A (ja) 1968-07-25

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