GB1370063A - Centrally controlled telecommunications exchange systems - Google Patents

Centrally controlled telecommunications exchange systems

Info

Publication number
GB1370063A
GB1370063A GB550872A GB550872A GB1370063A GB 1370063 A GB1370063 A GB 1370063A GB 550872 A GB550872 A GB 550872A GB 550872 A GB550872 A GB 550872A GB 1370063 A GB1370063 A GB 1370063A
Authority
GB
United Kingdom
Prior art keywords
exchange
subscribers
lines
calls
audio
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
GB550872A
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 GB1370063A publication Critical patent/GB1370063A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/54—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB550872A 1971-02-11 1972-02-07 Centrally controlled telecommunications exchange systems Expired GB1370063A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712106390 DE2106390C3 (de) 1971-02-11 1971-02-11 Schaltungsanordnung für eine zentral gesteuerte Fernmelde-, insbesondere Fernsprechnebenstellenanlage, mit angeschlossenen Impuls- und Tastwahlteilnehmerstationen

Publications (1)

Publication Number Publication Date
GB1370063A true GB1370063A (en) 1974-10-09

Family

ID=5798410

Family Applications (1)

Application Number Title Priority Date Filing Date
GB550872A Expired GB1370063A (en) 1971-02-11 1972-02-07 Centrally controlled telecommunications exchange systems

Country Status (9)

Country Link
AT (1) AT316659B (fr)
BE (1) BE779286A (fr)
CH (1) CH540615A (fr)
DE (1) DE2106390C3 (fr)
FR (1) FR2126772A5 (fr)
GB (1) GB1370063A (fr)
IT (1) IT947374B (fr)
LU (1) LU64757A1 (fr)
NL (1) NL7201849A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2500247B1 (fr) * 1981-02-13 1987-12-24 France Etat Concentrateur-distributeur optique matriciel

Also Published As

Publication number Publication date
FR2126772A5 (fr) 1972-10-06
NL7201849A (fr) 1972-08-15
LU64757A1 (fr) 1972-07-04
CH540615A (de) 1973-08-15
BE779286A (fr) 1972-08-11
DE2106390C3 (de) 1975-08-21
DE2106390A1 (de) 1972-08-24
IT947374B (it) 1973-05-21
DE2106390B2 (de) 1975-01-02
AT316659B (de) 1974-07-25

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Legal Events

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