CA966427A - Electronic telegraph transmission relay - Google Patents

Electronic telegraph transmission relay

Info

Publication number
CA966427A
CA966427A CA145,837A CA145837A CA966427A CA 966427 A CA966427 A CA 966427A CA 145837 A CA145837 A CA 145837A CA 966427 A CA966427 A CA 966427A
Authority
CA
Canada
Prior art keywords
transmission relay
telegraph transmission
electronic telegraph
electronic
relay
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
CA145,837A
Other versions
CA145837S (en
Inventor
Maurice J. Clerc
Michel Iatropoulos
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.)
ITT Canada Ltd
Original Assignee
ITT Canada Ltd
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 ITT Canada Ltd filed Critical ITT Canada Ltd
Application granted granted Critical
Publication of CA966427A publication Critical patent/CA966427A/en
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)
  • Emergency Protection Circuit Devices (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Electronic Switches (AREA)
CA145,837A 1971-07-16 1972-06-27 Electronic telegraph transmission relay Expired CA966427A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA966427A true CA966427A (en) 1975-04-22

Family

ID=9080452

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,837A Expired CA966427A (en) 1971-07-16 1972-06-27 Electronic telegraph transmission relay

Country Status (8)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2310940C3 (en) * 1973-03-05 1979-05-03 Siemens Ag, 1000 Berlin Und 8000 Muenchen Circuit arrangement for connecting telegraph subscribers to AC transmission equipment and switching systems
FR2471080A1 (en) * 1979-11-28 1981-06-12 Ibm France INTERFACE CIRCUIT CONFORMING TO EIA STANDARDS REALIZED FROM AN OPERATIONAL AMPLIFIER
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
FR91357E (en) * 1964-03-04 1968-10-23
DE1290562C2 (en) * 1965-03-23 1976-09-23 Siemens AG, 1000 Berlin und 8000 München CIRCUIT ARRANGEMENT FOR TRANSFERRING DC IMPULSES

Also Published As

Publication number Publication date
ZA724629B (en) 1973-03-28
GB1353429A (en) 1974-05-15
NL7209560A (en) 1973-01-18
FR2146091B1 (en) 1976-05-28
FR2146091A1 (en) 1973-03-02
ES404908A1 (en) 1975-06-16
DE2234501A1 (en) 1973-01-25
AU4438672A (en) 1974-01-17
IT962474B (en) 1973-12-20

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