JPS5437461A - Optical coupling switch circuit - Google Patents

Optical coupling switch circuit

Info

Publication number
JPS5437461A
JPS5437461A JP10262577A JP10262577A JPS5437461A JP S5437461 A JPS5437461 A JP S5437461A JP 10262577 A JP10262577 A JP 10262577A JP 10262577 A JP10262577 A JP 10262577A JP S5437461 A JPS5437461 A JP S5437461A
Authority
JP
Japan
Prior art keywords
switch circuit
optical coupling
coupling switch
scr
ignition
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.)
Pending
Application number
JP10262577A
Other languages
Japanese (ja)
Inventor
Junjiro Kitano
Shinji Okuhara
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10262577A priority Critical patent/JPS5437461A/en
Publication of JPS5437461A publication Critical patent/JPS5437461A/en
Pending legal-status Critical Current

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
    • H03K17/78—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
    • H03K17/79—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 semiconductor switches with more than two PN-junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region

Landscapes

  • Thyristor Switches And Gates (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE:To give both ignition and turn-off to SCR by providing the variable resistance element such as the photo transistor or the like between the gate and cathode of SCR along with two units of the luminous elements opposing to SCR.
JP10262577A 1977-08-29 1977-08-29 Optical coupling switch circuit Pending JPS5437461A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10262577A JPS5437461A (en) 1977-08-29 1977-08-29 Optical coupling switch circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10262577A JPS5437461A (en) 1977-08-29 1977-08-29 Optical coupling switch circuit

Publications (1)

Publication Number Publication Date
JPS5437461A true JPS5437461A (en) 1979-03-19

Family

ID=14332413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10262577A Pending JPS5437461A (en) 1977-08-29 1977-08-29 Optical coupling switch circuit

Country Status (1)

Country Link
JP (1) JPS5437461A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55151376A (en) * 1979-05-15 1980-11-25 Mitsubishi Electric Corp Semiconductor device
JPS5656169A (en) * 1979-08-31 1981-05-18 Bbc Brown Boveri & Cie Method of extinguishing thyristor and semiconductor device executed with same method
JPS57183128A (en) * 1981-05-06 1982-11-11 Hitachi Ltd Optically driven electronic switch
JPS58188932A (en) * 1982-04-28 1983-11-04 Toshiba Corp Priority controlling circuit of solid-state relay
US4719551A (en) * 1985-06-29 1988-01-12 Zaidan Hojin Handotai Kenkyu Sinkokai Optically controlled power converting apparatus
EP0268430A2 (en) * 1986-11-14 1988-05-25 Oki Electric Industry Company, Limited An optically coupled semiconductor switch and driving method adapted thereto
JPH01158821A (en) * 1987-12-15 1989-06-21 Matsushita Electric Works Ltd Latching type semiconductor relay
US5017991A (en) * 1984-03-22 1991-05-21 Jun-Ichi Nishizawa Light quenchable thyristor device
US5059788A (en) * 1989-03-07 1991-10-22 Nec Corporation Optical logic device with PNPN detection and laser diode output

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55151376A (en) * 1979-05-15 1980-11-25 Mitsubishi Electric Corp Semiconductor device
JPS5656169A (en) * 1979-08-31 1981-05-18 Bbc Brown Boveri & Cie Method of extinguishing thyristor and semiconductor device executed with same method
JPH0124376B2 (en) * 1979-08-31 1989-05-11 Asea Buraun Boeri Ag
JPS57183128A (en) * 1981-05-06 1982-11-11 Hitachi Ltd Optically driven electronic switch
JPS58188932A (en) * 1982-04-28 1983-11-04 Toshiba Corp Priority controlling circuit of solid-state relay
US5017991A (en) * 1984-03-22 1991-05-21 Jun-Ichi Nishizawa Light quenchable thyristor device
US4719551A (en) * 1985-06-29 1988-01-12 Zaidan Hojin Handotai Kenkyu Sinkokai Optically controlled power converting apparatus
EP0268430A2 (en) * 1986-11-14 1988-05-25 Oki Electric Industry Company, Limited An optically coupled semiconductor switch and driving method adapted thereto
EP0268430A3 (en) * 1986-11-14 1989-04-26 Oki Electric Industry Company, Limited An optically coupled semiconductor switch and driving method adapted thereto
JPH01158821A (en) * 1987-12-15 1989-06-21 Matsushita Electric Works Ltd Latching type semiconductor relay
US5059788A (en) * 1989-03-07 1991-10-22 Nec Corporation Optical logic device with PNPN detection and laser diode output

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