GB1453518A - Centrally controlled telecommunications exchange systems - Google Patents

Centrally controlled telecommunications exchange systems

Info

Publication number
GB1453518A
GB1453518A GB345574A GB345574A GB1453518A GB 1453518 A GB1453518 A GB 1453518A GB 345574 A GB345574 A GB 345574A GB 345574 A GB345574 A GB 345574A GB 1453518 A GB1453518 A GB 1453518A
Authority
GB
United Kingdom
Prior art keywords
exchange
section
free
scanner
junctors
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
GB345574A
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 GB1453518A publication Critical patent/GB1453518A/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)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB345574A 1973-01-30 1974-01-25 Centrally controlled telecommunications exchange systems Expired GB1453518A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732304415 DE2304415C3 (de) 1973-01-30 1973-01-30 Schaltungsanordnung für zentralgesteuerte Fernmeldevermittlungsanlagen mit Suchern

Publications (1)

Publication Number Publication Date
GB1453518A true GB1453518A (en) 1976-10-27

Family

ID=5870337

Family Applications (1)

Application Number Title Priority Date Filing Date
GB345574A Expired GB1453518A (en) 1973-01-30 1974-01-25 Centrally controlled telecommunications exchange systems

Country Status (11)

Country Link
AT (1) AT330248B (de)
BE (1) BE810376A (de)
CH (1) CH567852A5 (de)
DE (1) DE2304415C3 (de)
DK (1) DK140450C (de)
FR (1) FR2215770B1 (de)
GB (1) GB1453518A (de)
IT (1) IT1007089B (de)
LU (1) LU69246A1 (de)
NL (1) NL167829C (de)
SE (1) SE398951B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398543A1 (de) * 1989-05-08 1990-11-22 AT&T Corp. Gleichlaufende Mehrstufennetzwerk-Kontrollmethode

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0398543A1 (de) * 1989-05-08 1990-11-22 AT&T Corp. Gleichlaufende Mehrstufennetzwerk-Kontrollmethode

Also Published As

Publication number Publication date
NL167829C (nl) 1982-01-18
SE398951B (sv) 1978-01-23
DE2304415C3 (de) 1978-04-06
DK140450B (da) 1979-08-27
DE2304415B2 (de) 1977-08-04
FR2215770A1 (de) 1974-08-23
IT1007089B (it) 1976-10-30
AT330248B (de) 1976-06-25
LU69246A1 (de) 1974-04-10
ATA1051473A (de) 1975-09-15
CH567852A5 (de) 1975-10-15
BE810376A (fr) 1974-07-30
DE2304415A1 (de) 1974-08-15
NL167829B (nl) 1981-08-17
DK140450C (da) 1980-02-04
NL7401132A (de) 1974-08-01
FR2215770B1 (de) 1981-04-30

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Legal Events

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