FR1105450A - Perfectionnements aux systèmes automatiques de télécommunication - Google Patents

Perfectionnements aux systèmes automatiques de télécommunication

Info

Publication number
FR1105450A
FR1105450A FR1105450DA FR1105450A FR 1105450 A FR1105450 A FR 1105450A FR 1105450D A FR1105450D A FR 1105450DA FR 1105450 A FR1105450 A FR 1105450A
Authority
FR
France
Prior art keywords
telecommunication systems
automatic telecommunication
automatic
systems
telecommunication
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
Other languages
English (en)
Inventor
Martinus Den Hertog
Constantinus De Zeeuw
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 Standard Electric Corp
Original Assignee
International Standard Electric 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 Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR1105450A publication Critical patent/FR1105450A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)
FR1105450D 1952-07-01 1953-07-01 Perfectionnements aux systèmes automatiques de télécommunication Expired FR1105450A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2912510X 1952-07-01
GB16594/52A GB779521A (en) 1952-07-01 1953-06-26 Improvements in or relating to telecommunication exchange systems
BE3081419X 1958-04-28

Publications (1)

Publication Number Publication Date
FR1105450A true FR1105450A (fr) 1955-12-02

Family

ID=32474722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1105450D Expired FR1105450A (fr) 1952-07-01 1953-07-01 Perfectionnements aux systèmes automatiques de télécommunication

Country Status (2)

Country Link
FR (1) FR1105450A (fr)
GB (1) GB779521A (fr)

Also Published As

Publication number Publication date
GB779521A (en) 1957-07-24

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