JP4362046B2 - 線形性を改善したフォトカプラ装置 - Google Patents

線形性を改善したフォトカプラ装置 Download PDF

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Publication number
JP4362046B2
JP4362046B2 JP2003197347A JP2003197347A JP4362046B2 JP 4362046 B2 JP4362046 B2 JP 4362046B2 JP 2003197347 A JP2003197347 A JP 2003197347A JP 2003197347 A JP2003197347 A JP 2003197347A JP 4362046 B2 JP4362046 B2 JP 4362046B2
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JP
Japan
Prior art keywords
light emitting
emitting diode
photodiode
photocoupler
signal
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 - Fee Related
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JP2003197347A
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English (en)
Japanese (ja)
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JP2005038905A5 (enExample
JP2005038905A (ja
Inventor
健司 山本
寛 伊藤
Original Assignee
アバゴ・テクノロジーズ・イーシービーユー・アイピー（シンガポール）プライベート・リミテッド
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Application filed by アバゴ・テクノロジーズ・イーシービーユー・アイピー（シンガポール）プライベート・リミテッド filed Critical アバゴ・テクノロジーズ・イーシービーユー・アイピー（シンガポール）プライベート・リミテッド
Priority to JP2003197347A priority Critical patent/JP4362046B2/ja
Priority to US10/873,886 priority patent/US7449706B2/en
Priority to GB0414365A priority patent/GB2404104B/en
Publication of JP2005038905A publication Critical patent/JP2005038905A/ja
Priority to HK05105688.1A priority patent/HK1072842B/xx
Publication of JP2005038905A5 publication Critical patent/JP2005038905A5/ja
Application granted granted Critical
Publication of JP4362046B2 publication Critical patent/JP4362046B2/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/80—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water
    • H04B10/801—Optical aspects relating to the use of optical transmission for specific applications, not provided for in groups H04B10/03 - H04B10/70, e.g. optical power feeding or optical transmission through water using optical interconnects, e.g. light coupled isolators, circuit board interconnections
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F55/00—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto
    • H10F55/20—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the electric light source controls the radiation-sensitive semiconductor devices, e.g. optocouplers
    • H10F55/25—Radiation-sensitive semiconductor devices covered by groups H10F10/00, H10F19/00 or H10F30/00 being structurally associated with electric light sources and electrically or optically coupled thereto wherein the electric light source controls the radiation-sensitive semiconductor devices, e.g. optocouplers wherein the radiation-sensitive devices and the electric light source are all semiconductor devices

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Optical Communication System (AREA)
  • Electronic Switches (AREA)
  • Networks Using Active Elements (AREA)
JP2003197347A 2003-07-15 2003-07-15 線形性を改善したフォトカプラ装置 Expired - Fee Related JP4362046B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2003197347A JP4362046B2 (ja) 2003-07-15 2003-07-15 線形性を改善したフォトカプラ装置
US10/873,886 US7449706B2 (en) 2003-07-15 2004-06-22 Photocoupler with compensation circuit
GB0414365A GB2404104B (en) 2003-07-15 2004-06-28 Photocoupler with compensation circuit
HK05105688.1A HK1072842B (en) 2003-07-15 2005-07-06 Photocoupler with compensation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003197347A JP4362046B2 (ja) 2003-07-15 2003-07-15 線形性を改善したフォトカプラ装置

Publications (3)

Publication Number Publication Date
JP2005038905A JP2005038905A (ja) 2005-02-10
JP2005038905A5 JP2005038905A5 (enExample) 2006-09-14
JP4362046B2 true JP4362046B2 (ja) 2009-11-11

Family

ID=32821703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003197347A Expired - Fee Related JP4362046B2 (ja) 2003-07-15 2003-07-15 線形性を改善したフォトカプラ装置

Country Status (3)

Country Link
US (1) US7449706B2 (enExample)
JP (1) JP4362046B2 (enExample)
GB (1) GB2404104B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101223322B1 (ko) 2009-07-27 2013-01-16 대성전기공업 주식회사 접촉 및 비접촉식 차량용 룸램프 스위치 장치
FR3026552B1 (fr) * 2014-09-29 2017-12-22 Commissariat Energie Atomique Dispositif pour interface haptique a couple a vide reduit
WO2018105358A1 (ja) * 2016-12-09 2018-06-14 株式会社村田製作所 フォトカプラ
CN112271163B (zh) * 2020-10-23 2023-09-15 中国电子科技集团公司第四十四研究所 高精度线性光电耦合器结构

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4032843A (en) * 1976-06-21 1977-06-28 International Telephone And Telegraph Corporation Compensated signal isolator
DE2903327C2 (de) * 1979-01-29 1983-04-07 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Übertragung von Gleichstromsignalen zwischen galvanisch getrennten Signalleitungen
US4420841A (en) * 1981-05-29 1983-12-13 Westinghouse Electric Corp. Optically coupled bidirectional transceiver
JPS6074807A (ja) * 1983-09-30 1985-04-27 Toshiba Corp 変換回路
US4636655A (en) * 1983-11-11 1987-01-13 Kabushiki Kaisha Toshiba Circuit in which output circuit and operational amplifier equipped input circuit are electrically isolated
JPS6136981A (ja) 1984-07-30 1986-02-21 Toshiba Corp リニヤフオトカプラ
DE3442442A1 (de) 1984-11-17 1986-05-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur potentialgetrennnten signaluebertragung mittels optokopplung
JPS6225468A (ja) 1985-07-25 1987-02-03 Matsushita Electric Works Ltd フオトカプラ−
JPS62179601U (enExample) 1986-04-30 1987-11-14
JPH01309407A (ja) 1988-06-07 1989-12-13 Tdk Corp 絶縁結合回路及び絶縁結合素子
CA2064423A1 (en) 1991-04-15 1992-10-16 Alan Huang Differential-free space optical signal transmission
US5434694A (en) * 1992-03-31 1995-07-18 Yokogawa Electric Corporation Signal isolating device
US5903016A (en) 1995-06-30 1999-05-11 Siemens Components, Inc. Monolithic linear optocoupler
US5995252A (en) * 1997-03-03 1999-11-30 Elsag International N.V. Low power digital signal isolator
FR2776443B1 (fr) * 1998-03-17 2000-06-02 Sgs Thomson Microelectronics Circuit d'isolation electrique entre un bus bidirectionnel et un circuit peripherique

Also Published As

Publication number Publication date
GB2404104B (en) 2006-08-16
GB2404104A (en) 2005-01-19
US7449706B2 (en) 2008-11-11
GB0414365D0 (en) 2004-07-28
US20050012687A1 (en) 2005-01-20
HK1072842A1 (en) 2005-09-09
JP2005038905A (ja) 2005-02-10

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