DE69733925D1 - Photoelektrische schaltvorrichtung und schaltverfahren - Google Patents

Photoelektrische schaltvorrichtung und schaltverfahren

Info

Publication number
DE69733925D1
DE69733925D1 DE69733925T DE69733925T DE69733925D1 DE 69733925 D1 DE69733925 D1 DE 69733925D1 DE 69733925 T DE69733925 T DE 69733925T DE 69733925 T DE69733925 T DE 69733925T DE 69733925 D1 DE69733925 D1 DE 69733925D1
Authority
DE
Germany
Prior art keywords
switching
photoelectric
switching device
switching method
photoelectric switching
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 - Lifetime
Application number
DE69733925T
Other languages
English (en)
Other versions
DE69733925T2 (de
Inventor
Toshihiro Fujita
Ikkan Nishihara
Takeshi Takao
Shoji Fujii
Takaaki Douko
Tatsumi Tamon
Kimiyasu Kurita
Katsuhiro Shoji
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.)
Idec Izumi Corp
Original Assignee
Idec Izumi Corp
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
Priority claimed from JP3365896A external-priority patent/JPH09231886A/ja
Priority claimed from JP9258296A external-priority patent/JPH09282989A/ja
Application filed by Idec Izumi Corp filed Critical Idec Izumi Corp
Application granted granted Critical
Publication of DE69733925D1 publication Critical patent/DE69733925D1/de
Publication of DE69733925T2 publication Critical patent/DE69733925T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3577—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing liquids, e.g. polluted water
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
DE69733925T 1996-02-21 1997-02-19 Photoelektrische schaltvorrichtung und schaltverfahren Expired - Lifetime DE69733925T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3365896A JPH09231886A (ja) 1996-02-21 1996-02-21 光電スイッチ
JP9258296A JPH09282989A (ja) 1996-04-15 1996-04-15 光電スイッチ
PCT/JP1997/000461 WO1997031384A1 (fr) 1996-02-21 1997-02-19 Dispositif de commutation photoelectrique et procede de commutation

Publications (2)

Publication Number Publication Date
DE69733925D1 true DE69733925D1 (de) 2005-09-15
DE69733925T2 DE69733925T2 (de) 2006-06-14

Family

ID=26372389

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69733925T Expired - Lifetime DE69733925T2 (de) 1996-02-21 1997-02-19 Photoelektrische schaltvorrichtung und schaltverfahren

Country Status (7)

Country Link
US (2) USRE37926E1 (de)
EP (1) EP0822566B1 (de)
KR (1) KR100300140B1 (de)
CN (1) CN1154139C (de)
DE (1) DE69733925T2 (de)
TW (1) TW330300B (de)
WO (1) WO1997031384A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406711B (de) * 1999-02-25 2000-08-25 Joanneum Research Forschungsge Verfahren zur spektroskopischen bestimmung der konzentration von alkoholen mit 1 bis 5 kohlenstoffatomen
JP4674775B2 (ja) * 2000-01-21 2011-04-20 株式会社キーエンス 光電スイッチ
US6822181B2 (en) 2001-06-27 2004-11-23 Labatt Brewing Company Limited Container diverter
US7064329B2 (en) * 2001-08-21 2006-06-20 Franalytica, Inc. Amplifier-enhanced optical analysis system and method
WO2003065021A1 (fr) * 2002-01-29 2003-08-07 Stmicroelectronics Sa Methode et appareil pour la mesure de concentrations dans un melange comprenant de l'eau et de l'alcool isopropylique (ipa)
US20060213756A1 (en) * 2003-03-26 2006-09-28 Ken Takachi Variable hand switch
JP4243324B2 (ja) * 2007-05-15 2009-03-25 パナソニック株式会社 攪拌状態検出方法
DE102014118854A1 (de) * 2014-12-17 2016-06-23 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Vorrichtung zur Bestimmung einer die Flüssigkeitsmenge repräsentierenden Größe sowie deren Verwendung
CN106130533B (zh) * 2016-08-23 2023-06-06 惠州华阳通用电子有限公司 一种光电感应旋钮组件
CN107037761A (zh) * 2017-05-25 2017-08-11 四川汇友电气有限公司 带光纤开关的接触网开关监控装置

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE415397B (sv) * 1978-06-02 1980-09-29 Asea Ab Fiberoptiskt metdon
JPS5641239A (en) 1979-09-13 1981-04-17 Hitachi Cable Ltd Flame-retardant composition
US4463261A (en) 1981-05-07 1984-07-31 National Research Development Corporation Analysis apparatus
GB2110819B (en) 1981-05-07 1985-02-06 Nat Res Dev Analysis apparatus
JPS58143242A (ja) 1982-02-19 1983-08-25 Fujitsu Ltd 漏洩ガス検出装置
SE431260B (sv) * 1982-06-02 1984-01-23 Asea Ab Fiberoptiskt metdon for metning av elektriska och magnetiska storheter
US5222810A (en) * 1982-08-06 1993-06-29 Kleinerman Marcos Y Fiber optic systems for sensing temperature and other physical variables
DE3334264A1 (de) 1982-09-25 1984-04-05 Showa Denko K.K., Tokyo Verfahren und messgeraet zum messen der methan-konzentration in einem gasgemisch
JPS6134424A (ja) 1984-07-27 1986-02-18 Mitsubishi Heavy Ind Ltd 透明容器内の充填液位検出装置
JPS62286317A (ja) 1986-06-04 1987-12-12 Omron Tateisi Electronics Co 光電スイツチ
US4947036A (en) * 1986-10-03 1990-08-07 Conax Buffalo Corporation Self-monitoring optical sensor having a ratiometric output signal
JP2574780B2 (ja) * 1986-12-26 1997-01-22 オムロン株式会社 反射型光電スイッチ
US4823008A (en) * 1987-11-05 1989-04-18 Process Automation Business, Inc. Apparatus and methods employing infrared absorption means to measure the moisture content of heavy grades of paper
JPH062348Y2 (ja) 1988-02-15 1994-01-19 オムロン株式会社 反射型光電スイッチ
JPH01262441A (ja) 1988-04-13 1989-10-19 Miyawaki:Kk 蒸気配管内の空気検出方法及び装置並びに蒸気配管用空気検出ユニット
JP2648765B2 (ja) * 1988-04-30 1997-09-03 チノン株式会社 光電スイッチの受光信号回路
JPH0756958B2 (ja) 1988-07-08 1995-06-14 松下電器産業株式会社 二重積分型ノイズシェーパ
JPH02126437A (ja) * 1988-07-08 1990-05-15 Sharp Corp 光メモリ素子並びにその製造装置
JPH0220936A (ja) 1988-07-08 1990-01-24 Fujitsu Ltd 多重／分離回路
JPH084750Y2 (ja) * 1989-03-24 1996-02-07 オムロン株式会社 反射型光電スイッチ
US5112124A (en) * 1990-04-19 1992-05-12 Worcester Polytechnic Institute Method and apparatus for measuring the concentration of absorbing substances
JPH0830680B2 (ja) 1990-10-15 1996-03-27 アンリツ株式会社 ガス検出装置
JPH04204354A (ja) 1990-11-30 1992-07-24 Meiwa Seishi Genryo Kk 紙選別装置
JPH055651A (ja) * 1991-06-28 1993-01-14 Shimadzu Corp 光電スイツチ
JP3059262B2 (ja) 1991-10-08 2000-07-04 日本酸素株式会社 ガス中の微量水分分析装置
MY108958A (en) * 1992-10-05 1996-11-30 Shell Int Research An apparatus for fuel quality monitoring
JPH06164690A (ja) * 1992-11-26 1994-06-10 Fujitsu Ltd 送受話器分離型電話機
JP3414804B2 (ja) 1993-10-13 2003-06-09 木内 健博 無機薬品含有水溶液の濃度検出装置
JPH07294428A (ja) * 1994-04-26 1995-11-10 Shimadzu Corp 燃料油種識別方法
US5903006A (en) * 1996-05-31 1999-05-11 Norihiro Kiuchi Liquid concentration detecting apparatus

Also Published As

Publication number Publication date
DE69733925T2 (de) 2006-06-14
CN1180445A (zh) 1998-04-29
TW330300B (en) 1998-04-21
WO1997031384A1 (fr) 1997-08-28
EP0822566A4 (de) 2001-02-07
USRE37926E1 (en) 2002-12-10
EP0822566A1 (de) 1998-02-04
EP0822566B1 (de) 2005-08-10
KR100300140B1 (ko) 2001-10-27
KR19980703891A (ko) 1998-12-05
US6043504A (en) 2000-03-28
CN1154139C (zh) 2004-06-16

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Legal Events

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