FR75644E - Improvements to automatic telecommunication systems - Google Patents

Improvements to automatic telecommunication systems

Info

Publication number
FR75644E
FR75644E FR793439A FR793439A FR75644E FR 75644 E FR75644 E FR 75644E FR 793439 A FR793439 A FR 793439A FR 793439 A FR793439 A FR 793439A FR 75644 E FR75644 E FR 75644E
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
FR793439A
Other languages
French (fr)
Inventor
Stephane Marcel Clement Simon
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
Priority to FR793439A priority Critical patent/FR75644E/en
Application granted granted Critical
Publication of FR75644E publication Critical patent/FR75644E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • 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
    • H04Q3/00—Selecting arrangements
    • 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)
FR793439A 1952-07-01 1959-04-28 Improvements to automatic telecommunication systems Expired FR75644E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR793439A FR75644E (en) 1952-07-01 1959-04-28 Improvements to automatic telecommunication systems

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB2912510X 1952-07-01
BE3081419X 1958-04-28
FR793439A FR75644E (en) 1952-07-01 1959-04-28 Improvements to automatic telecommunication systems

Publications (1)

Publication Number Publication Date
FR75644E true FR75644E (en) 1961-07-21

Family

ID=32474720

Family Applications (1)

Application Number Title Priority Date Filing Date
FR793439A Expired FR75644E (en) 1952-07-01 1959-04-28 Improvements to automatic telecommunication systems

Country Status (1)

Country Link
FR (1) FR75644E (en)

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