HK28777A - Improvements in switching networks for telecommunications exhanges - Google Patents

Improvements in switching networks for telecommunications exhanges

Info

Publication number
HK28777A
HK28777A HK287/77A HK28777A HK28777A HK 28777 A HK28777 A HK 28777A HK 287/77 A HK287/77 A HK 287/77A HK 28777 A HK28777 A HK 28777A HK 28777 A HK28777 A HK 28777A
Authority
HK
Hong Kong
Prior art keywords
exhanges
telecommunications
switching networks
networks
switching
Prior art date
Application number
HK287/77A
Inventor
J L Ch Grimbly
Original Assignee
Plessey Co Ltd
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 Plessey Co Ltd filed Critical Plessey Co Ltd
Publication of HK28777A publication Critical patent/HK28777A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0008Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012Selecting 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)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
HK287/77A 1974-04-26 1977-06-09 Improvements in switching networks for telecommunications exhanges HK28777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1831074A GB1433648A (en) 1974-04-26 1974-04-26 Switching networks for telecommunications exchanges

Publications (1)

Publication Number Publication Date
HK28777A true HK28777A (en) 1977-06-17

Family

ID=10110300

Family Applications (1)

Application Number Title Priority Date Filing Date
HK287/77A HK28777A (en) 1974-04-26 1977-06-09 Improvements in switching networks for telecommunications exhanges

Country Status (4)

Country Link
FR (1) FR2269262B1 (en)
GB (1) GB1433648A (en)
HK (1) HK28777A (en)
ZA (1) ZA752336B (en)

Also Published As

Publication number Publication date
GB1433648A (en) 1976-04-28
ZA752336B (en) 1976-03-31
FR2269262A1 (en) 1975-11-21
FR2269262B1 (en) 1982-03-26

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