CH543842A - Central de télécommunication - Google Patents

Central de télécommunication

Info

Publication number
CH543842A
CH543842A CH32270A CH32270A CH543842A CH 543842 A CH543842 A CH 543842A CH 32270 A CH32270 A CH 32270A CH 32270 A CH32270 A CH 32270A CH 543842 A CH543842 A CH 543842A
Authority
CH
Switzerland
Prior art keywords
telecommunication exchange
telecommunication
exchange
Prior art date
Application number
CH32270A
Other languages
English (en)
Inventor
Teurnier Roger
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of CH543842A publication Critical patent/CH543842A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/24—Relay circuits using discharge tubes or semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Interface Circuits In Exchanges (AREA)
CH32270A 1969-01-17 1970-01-13 Central de télécommunication CH543842A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6900829A FR2031639A5 (fr) 1969-01-17 1969-01-17

Publications (1)

Publication Number Publication Date
CH543842A true CH543842A (fr) 1973-10-31

Family

ID=9027960

Family Applications (1)

Application Number Title Priority Date Filing Date
CH32270A CH543842A (fr) 1969-01-17 1970-01-13 Central de télécommunication

Country Status (8)

Country Link
US (1) US3647966A (fr)
BE (1) BE744300A (fr)
CH (1) CH543842A (fr)
DE (1) DE2001970C3 (fr)
FR (1) FR2031639A5 (fr)
GB (1) GB1298836A (fr)
NL (1) NL7000562A (fr)
SE (1) SE360795B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3846703A (en) * 1973-02-28 1974-11-05 Tocom Noise control system for transmission network
JPS5630981B2 (fr) * 1974-12-29 1981-07-18

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694749A (en) * 1950-04-18 1954-11-16 Sepco 45 B D Sebastopol Communication system
US3170037A (en) * 1960-01-25 1965-02-16 Stelma Inc Electronic relay
US3384711A (en) * 1967-02-16 1968-05-21 Vicom Corp Repeater for pulse code modulated signals

Also Published As

Publication number Publication date
FR2031639A5 (fr) 1970-11-20
BE744300A (fr) 1970-07-13
US3647966A (en) 1972-03-07
NL7000562A (fr) 1970-07-21
DE2001970A1 (de) 1970-07-23
DE2001970B2 (de) 1979-02-01
SE360795B (fr) 1973-10-01
GB1298836A (en) 1972-12-06
DE2001970C3 (de) 1979-09-20

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Legal Events

Date Code Title Description
PL Patent ceased