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BE766697A - Systeme de communication electronique a postes a lignes multiples - Google Patents

Systeme de communication electronique a postes a lignes multiples

Info

Publication number
BE766697A
BE766697A BE766697A BE766697A BE766697A BE 766697 A BE766697 A BE 766697A BE 766697 A BE766697 A BE 766697A BE 766697 A BE766697 A BE 766697A BE 766697 A BE766697 A BE 766697A
Authority
BE
Belgium
Prior art keywords
communication system
electronic communication
line electronic
line
electronic
Prior art date
Application number
BE766697A
Other languages
English (en)
French (fr)
Inventor
L P Fabiano Jr
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE766697A publication Critical patent/BE766697A/xx

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
    • H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
    • H04M9/007—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line wherein the key telephone sets are star-connected to a central unit by a limited number of lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Telephonic Communication Services (AREA)
BE766697A 1970-05-07 1971-05-04 Systeme de communication electronique a postes a lignes multiples BE766697A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3543570A 1970-05-07 1970-05-07

Publications (1)

Publication Number Publication Date
BE766697A true BE766697A (fr) 1971-10-01

Family

ID=21882663

Family Applications (1)

Application Number Title Priority Date Filing Date
BE766697A BE766697A (fr) 1970-05-07 1971-05-04 Systeme de communication electronique a postes a lignes multiples

Country Status (7)

Country Link
US (1) US3637939A (de)
JP (1) JPS5733745B1 (de)
BE (1) BE766697A (de)
CA (1) CA953399A (de)
DE (1) DE2122737C3 (de)
GB (1) GB1342922A (de)
SE (1) SE375215B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3764752A (en) * 1972-01-11 1973-10-09 Teltronics Inc Telephone line card system
US3787631A (en) * 1972-12-11 1974-01-22 Bell Telephone Labor Inc Time slot number compensating arrangement
CA996691A (en) * 1974-10-16 1976-09-07 Northern Electric Company Limited Tow wire, full duplex data transmission system
US3914559A (en) * 1974-11-07 1975-10-21 Bell Telephone Labor Inc Universal PBX line circuit for key and non-key service

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537906B2 (de) * 1967-10-04 1970-05-06 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Schaltungsanordnung für die Verarbeitung vorübergehender Schaltmaßnahmen eines Teilnehmers in Fernmeldevermittlungsanlagen mit zeitmultiplexer Steuerung, bei welchen jeder Verbindung zwischen zwei Teilnehmern- jeweils eine Zeile eines zentralen Umlaufspeiehers zugeordnet wird
US3519757A (en) * 1968-02-27 1970-07-07 Bell Telephone Labor Inc Electronic key telephone system

Also Published As

Publication number Publication date
GB1342922A (en) 1974-01-10
JPS5733745B1 (de) 1982-07-19
DE2122737B2 (de) 1980-06-12
US3637939A (en) 1972-01-25
CA953399A (en) 1974-08-20
SE375215B (de) 1975-04-07
DE2122737C3 (de) 1981-03-19
DE2122737A1 (de) 1971-11-25

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: WESTERN ELECTRIC CY INC.

Effective date: 19910504