FR2146091B1 - - Google Patents

Info

Publication number
FR2146091B1
FR2146091B1 FR7126051A FR7126051A FR2146091B1 FR 2146091 B1 FR2146091 B1 FR 2146091B1 FR 7126051 A FR7126051 A FR 7126051A FR 7126051 A FR7126051 A FR 7126051A FR 2146091 B1 FR2146091 B1 FR 2146091B1
Authority
FR
France
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
FR7126051A
Other languages
French (fr)
Other versions
FR2146091A1 (it
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.)
Constr Telephoniques
Original Assignee
Constr Telephoniques
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 Constr Telephoniques filed Critical Constr Telephoniques
Priority to FR7126051A priority Critical patent/FR2146091B1/fr
Priority to CA145,837A priority patent/CA966427A/en
Priority to ZA724629A priority patent/ZA724629B/xx
Priority to IT26681/72A priority patent/IT962474B/it
Priority to AU44386/72A priority patent/AU466037B2/en
Priority to NL7209560A priority patent/NL7209560A/xx
Priority to GB3273272A priority patent/GB1353429A/en
Priority to DE2234501A priority patent/DE2234501A1/de
Priority to ES404908A priority patent/ES404908A1/es
Publication of FR2146091A1 publication Critical patent/FR2146091A1/fr
Application granted granted Critical
Publication of FR2146091B1 publication Critical patent/FR2146091B1/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
    • H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
    • 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
    • H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
    • H03K17/665—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only
    • H03K17/666—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to one load terminal only the output circuit comprising more than one controlled bipolar transistor
    • 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
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
    • H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
    • 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
    • H04L25/26—Circuits with optical sensing means, i.e. using opto-couplers for isolation

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)
  • Electronic Switches (AREA)
  • Emergency Protection Circuit Devices (AREA)
FR7126051A 1971-07-16 1971-07-16 Expired FR2146091B1 (it)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7126051A FR2146091B1 (it) 1971-07-16 1971-07-16
CA145,837A CA966427A (en) 1971-07-16 1972-06-27 Electronic telegraph transmission relay
ZA724629A ZA724629B (en) 1971-07-16 1972-07-05 Electronic telegraph tramission relay
IT26681/72A IT962474B (it) 1971-07-16 1972-07-06 Rele telegrafico elettronico di emissione
AU44386/72A AU466037B2 (en) 1972-07-10 Electronic telegraph transmission relay
NL7209560A NL7209560A (it) 1971-07-16 1972-07-10
GB3273272A GB1353429A (en) 1971-07-16 1972-07-13 Electronic telegraph transmission relay
DE2234501A DE2234501A1 (de) 1971-07-16 1972-07-13 Schaltungsanordnung fuer ein elektronisches telegrafenrelais
ES404908A ES404908A1 (es) 1971-07-16 1972-07-15 Un rele electronico para la transmision telegrafica.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7126051A FR2146091B1 (it) 1971-07-16 1971-07-16

Publications (2)

Publication Number Publication Date
FR2146091A1 FR2146091A1 (it) 1973-03-02
FR2146091B1 true FR2146091B1 (it) 1976-05-28

Family

ID=9080452

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7126051A Expired FR2146091B1 (it) 1971-07-16 1971-07-16

Country Status (8)

Country Link
CA (1) CA966427A (it)
DE (1) DE2234501A1 (it)
ES (1) ES404908A1 (it)
FR (1) FR2146091B1 (it)
GB (1) GB1353429A (it)
IT (1) IT962474B (it)
NL (1) NL7209560A (it)
ZA (1) ZA724629B (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2310940C3 (de) * 1973-03-05 1979-05-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Schaltungsanordnung zum Anschließen von Telegrafieteilnehmern an Wechselstrom-Übertragungseinrichtungen und Vermittlungsanlagen
FR2471080A1 (fr) * 1979-11-28 1981-06-12 Ibm France Circuit d'interface conforme aux normes eia realise a partir d'un amplificateur operationnel
AU2012101415B4 (en) * 2012-09-13 2012-12-06 Gerard Lighting Holdings Pty Ltd Overvoltage Protection Circuit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE626083A (it) * 1964-03-04
DE1290562C2 (de) * 1965-03-23 1976-09-23 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zum uebertragen von gleichstromimpulsen

Also Published As

Publication number Publication date
AU4438672A (en) 1974-01-17
NL7209560A (it) 1973-01-18
ZA724629B (en) 1973-03-28
IT962474B (it) 1973-12-20
ES404908A1 (es) 1975-06-16
CA966427A (en) 1975-04-22
FR2146091A1 (it) 1973-03-02
GB1353429A (en) 1974-05-15
DE2234501A1 (de) 1973-01-25

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Legal Events

Date Code Title Description
ST Notification of lapse