GB1439187A - Centrally controlled telecommunications exchange systems - Google Patents

Centrally controlled telecommunications exchange systems

Info

Publication number
GB1439187A
GB1439187A GB4246173A GB4246173A GB1439187A GB 1439187 A GB1439187 A GB 1439187A GB 4246173 A GB4246173 A GB 4246173A GB 4246173 A GB4246173 A GB 4246173A GB 1439187 A GB1439187 A GB 1439187A
Authority
GB
United Kingdom
Prior art keywords
exchange systems
centrally controlled
telecommunications exchange
controlled telecommunications
centrally
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
GB4246173A
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 Corp
Original Assignee
Siemens Corp
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 Corp filed Critical Siemens Corp
Publication of GB1439187A publication Critical patent/GB1439187A/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)
  • Telephonic Communication Services (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
GB4246173A 1972-09-29 1973-09-10 Centrally controlled telecommunications exchange systems Expired GB1439187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722247830 DE2247830C2 (de) 1972-09-29 1972-09-29 Schaltungsanordnung für zentral gesteuerte Fernmeldevermittlungsanlagen mit Koppelfeldern und Wegesuchern

Publications (1)

Publication Number Publication Date
GB1439187A true GB1439187A (en) 1976-06-09

Family

ID=5857760

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4246173A Expired GB1439187A (en) 1972-09-29 1973-09-10 Centrally controlled telecommunications exchange systems

Country Status (10)

Country Link
AT (1) AT330849B (enrdf_load_stackoverflow)
BE (1) BE805476A (enrdf_load_stackoverflow)
CH (1) CH577773A5 (enrdf_load_stackoverflow)
DE (1) DE2247830C2 (enrdf_load_stackoverflow)
DK (1) DK140779B (enrdf_load_stackoverflow)
FR (1) FR2201600B1 (enrdf_load_stackoverflow)
GB (1) GB1439187A (enrdf_load_stackoverflow)
IT (1) IT993473B (enrdf_load_stackoverflow)
LU (1) LU68514A1 (enrdf_load_stackoverflow)
NL (1) NL7313424A (enrdf_load_stackoverflow)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084771B (de) * 1959-07-01 1960-07-07 Siemens Ag Verfahren und Schaltungsanordnung zur Pruefung von Leitungen eines Vermittlungssystems, insbesondere fuer Fernsprechzwecke

Also Published As

Publication number Publication date
ATA811573A (de) 1975-10-15
FR2201600B1 (enrdf_load_stackoverflow) 1979-07-27
DK140779C (enrdf_load_stackoverflow) 1980-04-14
DE2247830A1 (enrdf_load_stackoverflow) 1974-03-28
BE805476A (fr) 1974-03-28
DE2247830B1 (de) 1974-03-28
IT993473B (it) 1975-09-30
NL7313424A (enrdf_load_stackoverflow) 1974-04-02
FR2201600A1 (enrdf_load_stackoverflow) 1974-04-26
DK140779B (da) 1979-11-12
LU68514A1 (enrdf_load_stackoverflow) 1973-12-10
AT330849B (de) 1976-07-26
DE2247830C2 (de) 1985-06-27
CH577773A5 (enrdf_load_stackoverflow) 1976-07-15

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Legal Events

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