GB1367442A - Telephone exchange with multiparty communication facilities - Google Patents

Telephone exchange with multiparty communication facilities

Info

Publication number
GB1367442A
GB1367442A GB741173A GB741173A GB1367442A GB 1367442 A GB1367442 A GB 1367442A GB 741173 A GB741173 A GB 741173A GB 741173 A GB741173 A GB 741173A GB 1367442 A GB1367442 A GB 1367442A
Authority
GB
United Kingdom
Prior art keywords
line
junctor
posted
connection
field
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
GB741173A
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1367442A publication Critical patent/GB1367442A/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
    • H04Q3/545—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker in which the logic circuitry controlling the exchange is centralised using a stored programme

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
GB741173A 1972-02-29 1973-02-15 Telephone exchange with multiparty communication facilities Expired GB1367442A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7207616A FR2174442A5 (fr) 1972-02-29 1972-02-29

Publications (1)

Publication Number Publication Date
GB1367442A true GB1367442A (en) 1974-09-18

Family

ID=9094640

Family Applications (1)

Application Number Title Priority Date Filing Date
GB741173A Expired GB1367442A (en) 1972-02-29 1973-02-15 Telephone exchange with multiparty communication facilities

Country Status (9)

Country Link
JP (1) JPS5517557B2 (fr)
BE (1) BE795093A (fr)
CA (1) CA1028041A (fr)
CH (1) CH546525A (fr)
DE (1) DE2308813C3 (fr)
ES (1) ES412109A1 (fr)
FR (1) FR2174442A5 (fr)
GB (1) GB1367442A (fr)
IT (1) IT979179B (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2635884C3 (de) * 1976-08-10 1986-07-31 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung zum Herstellen und Verändern von Verbindungen in rechnergesteuerten Fernmeldevermittlungsanlagen, insbesondere Nebenstellenanlagen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1487932A1 (de) * 1951-01-28 1969-03-13 Siemens Ag Schaltungsanordnung fuer Fernmeldeanlagen,insbesondere Fernsprechnebenstellenanlagen,mit markiert einstellbaren Koppelfeldern
DE1512036C2 (de) * 1966-08-04 1981-07-23 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung für eine Vermittlungsanlage mit taktweiser Steuerung

Also Published As

Publication number Publication date
DE2308813C3 (de) 1984-03-29
ES412109A1 (es) 1976-01-01
FR2174442A5 (fr) 1973-10-12
IT979179B (it) 1974-09-30
DE2308813A1 (de) 1973-09-13
CA1028041A (fr) 1978-03-14
DE2308813B2 (de) 1974-08-29
JPS5517557B2 (fr) 1980-05-12
CH546525A (de) 1974-02-28
BE795093A (fr) 1973-05-29
JPS48102509A (fr) 1973-12-22

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Legal Events

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