CA1040734A - Light activated semiconductor switch device - Google Patents

Light activated semiconductor switch device

Info

Publication number
CA1040734A
CA1040734A CA230,400A CA230400A CA1040734A CA 1040734 A CA1040734 A CA 1040734A CA 230400 A CA230400 A CA 230400A CA 1040734 A CA1040734 A CA 1040734A
Authority
CA
Canada
Prior art keywords
light activated
pnpn
switch
anode
cathode
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
CA230,400A
Other languages
English (en)
French (fr)
Inventor
Ichiro Ohhinata
Shinzi Okuhara
Michio Tokunaga
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
Application granted granted Critical
Publication of CA1040734A publication Critical patent/CA1040734A/en
Expired 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
    • H03K17/16—Modifications for eliminating interference voltages or currents
    • 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

  • Thyristors (AREA)
  • Thyristor Switches And Gates (AREA)
  • Electronic Switches (AREA)
CA230,400A 1974-07-19 1975-06-27 Light activated semiconductor switch device Expired CA1040734A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49082186A JPS5929006B2 (ja) 1974-07-19 1974-07-19 感光半導体スイツチ

Publications (1)

Publication Number Publication Date
CA1040734A true CA1040734A (en) 1978-10-17

Family

ID=13767397

Family Applications (1)

Application Number Title Priority Date Filing Date
CA230,400A Expired CA1040734A (en) 1974-07-19 1975-06-27 Light activated semiconductor switch device

Country Status (4)

Country Link
US (1) US4039863A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5929006B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1040734A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2529124C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS605142B2 (ja) * 1977-05-11 1985-02-08 株式会社日立製作所 半導体スイツチング装置
JPS5832539B2 (ja) * 1978-06-20 1983-07-13 日本電信電話株式会社 光スイツチ回路
US4323793A (en) * 1978-09-27 1982-04-06 Eaton Corporation Thyristor having widened region of temperature sensitivity with respect to breakover voltage
US4257091A (en) * 1978-11-21 1981-03-17 Kaufman Lance R Electrical power converter thyristor firing circuit having noise immunity
US4295058A (en) * 1979-06-07 1981-10-13 Eaton Corporation Radiant energy activated semiconductor switch
JPS5636228A (en) * 1979-08-31 1981-04-09 Fujitsu Ltd Photo coupling element
EP0027888B1 (en) * 1979-09-21 1986-04-16 Hitachi, Ltd. Semiconductor switch
US4489340A (en) * 1980-02-04 1984-12-18 Nippon Telegraph & Telephone Public Corporation PNPN Light sensitive semiconductor switch with phototransistor connected across inner base regions
NL8402544A (nl) * 1984-08-20 1986-03-17 Philips Nv Opto-elektrische signaalomzetter.
EP0268430A3 (en) * 1986-11-14 1989-04-26 Oki Electric Industry Company, Limited An optically coupled semiconductor switch and driving method adapted thereto
JPH07112150B2 (ja) * 1989-04-28 1995-11-29 株式会社東芝 光トリガースイッチング回路
US5138177A (en) * 1991-03-26 1992-08-11 At&T Bell Laboratories Solid-state relay
JP3023858B2 (ja) * 1991-03-29 2000-03-21 矢崎総業株式会社 光静電誘導サイリスタの駆動回路
US5387802A (en) * 1993-05-05 1995-02-07 Industrial Technology Research Institute High-speed electronic switch having low effective series resistance
CN1191394A (zh) * 1997-02-20 1998-08-26 杨泰和 藉前置光－电转换元件驱动的绝缘栅双极晶体管
US7902532B2 (en) * 2009-01-16 2011-03-08 General Electric Company Systems and methods involving transducer signals
US20110221275A1 (en) * 2010-03-12 2011-09-15 Al-Absi Munir A High output impedance current source

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3609413A (en) * 1969-11-03 1971-09-28 Fairchild Camera Instr Co Circuit for the protection of monolithic silicon-controlled rectifiers from false triggering
US3714443A (en) * 1971-01-22 1973-01-30 Honeywell Inc Remotely controlled light sensing apparatus
JPS5528457B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-07-08 1980-07-28

Also Published As

Publication number Publication date
DE2529124A1 (de) 1976-01-29
JPS5929006B2 (ja) 1984-07-17
JPS5111176A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-01-29
DE2529124C3 (de) 1984-07-19
US4039863A (en) 1977-08-02
AU8260575A (en) 1977-01-27
DE2529124B2 (de) 1977-01-27

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19951017