GB1433648A - Switching networks for telecommunications exchanges - Google Patents

Switching networks for telecommunications exchanges

Info

Publication number
GB1433648A
GB1433648A GB1831074A GB1831074A GB1433648A GB 1433648 A GB1433648 A GB 1433648A GB 1831074 A GB1831074 A GB 1831074A GB 1831074 A GB1831074 A GB 1831074A GB 1433648 A GB1433648 A GB 1433648A
Authority
GB
United Kingdom
Prior art keywords
wire
converters
blocks
switches
trunks
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
GB1831074A
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.)
GE Healthcare UK Ltd
Original Assignee
GE Healthcare UK 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 GE Healthcare UK Ltd filed Critical GE Healthcare UK Ltd
Priority to GB1831074A priority Critical patent/GB1433648A/en
Priority to ZA00752336A priority patent/ZA752336B/xx
Priority to FR7512939A priority patent/FR2269262B1/fr
Publication of GB1433648A publication Critical patent/GB1433648A/en
Priority to HK287/77A priority patent/HK28777A/xx
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)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
GB1831074A 1974-04-26 1974-04-26 Switching networks for telecommunications exchanges Expired GB1433648A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB1831074A GB1433648A (en) 1974-04-26 1974-04-26 Switching networks for telecommunications exchanges
ZA00752336A ZA752336B (en) 1974-04-26 1975-04-11 Improvements in switching networks for telecommunications exchanges
FR7512939A FR2269262B1 (enExample) 1974-04-26 1975-04-25
HK287/77A HK28777A (en) 1974-04-26 1977-06-09 Improvements in switching networks for telecommunications exhanges

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
GB1433648A true GB1433648A (en) 1976-04-28

Family

ID=10110300

Family Applications (1)

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

Country Status (4)

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

Also Published As

Publication number Publication date
HK28777A (en) 1977-06-17
FR2269262B1 (enExample) 1982-03-26
FR2269262A1 (enExample) 1975-11-21
ZA752336B (en) 1976-03-31

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Legal Events

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