DE69128306D1 - Vorrichtung zur Detektion eines Flüssigkeitsgehalts - Google Patents

Vorrichtung zur Detektion eines Flüssigkeitsgehalts

Info

Publication number
DE69128306D1
DE69128306D1 DE69128306T DE69128306T DE69128306D1 DE 69128306 D1 DE69128306 D1 DE 69128306D1 DE 69128306 T DE69128306 T DE 69128306T DE 69128306 T DE69128306 T DE 69128306T DE 69128306 D1 DE69128306 D1 DE 69128306D1
Authority
DE
Germany
Prior art keywords
detection
liquid content
content
liquid
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
Application number
DE69128306T
Other languages
English (en)
Other versions
DE69128306T2 (de
Inventor
Hiroyoshi Suzuki
Kenji Ogawa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 JP17448090A external-priority patent/JPH0464040A/ja
Priority claimed from JP17945890A external-priority patent/JPH0466845A/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE69128306D1 publication Critical patent/DE69128306D1/de
Publication of DE69128306T2 publication Critical patent/DE69128306T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/4133—Refractometers, e.g. differential
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/10—Combined modulation, e.g. rate modulation and amplitude modulation
    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/4133—Refractometers, e.g. differential
    • G01N2021/414—Correcting temperature effect in refractometers
    • 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
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G01N21/431—Dip refractometers, e.g. using optical fibres
DE69128306T 1990-07-03 1991-07-03 Vorrichtung zur Detektion eines Flüssigkeitsgehalts Expired - Fee Related DE69128306T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP17448090A JPH0464040A (ja) 1990-07-03 1990-07-03 含有率検出装置及び方法
JP17945890A JPH0466845A (ja) 1990-07-09 1990-07-09 含有率検出装置

Publications (2)

Publication Number Publication Date
DE69128306D1 true DE69128306D1 (de) 1998-01-15
DE69128306T2 DE69128306T2 (de) 1998-04-09

Family

ID=26496072

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69128306T Expired - Fee Related DE69128306T2 (de) 1990-07-03 1991-07-03 Vorrichtung zur Detektion eines Flüssigkeitsgehalts

Country Status (3)

Country Link
US (1) US5157452A (de)
EP (1) EP0464793B1 (de)
DE (1) DE69128306T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870185A (en) * 1996-10-21 1999-02-09 C.F.C. Technology, Inc. Apparatus and method for fluid analysis
US6700389B2 (en) * 2001-08-17 2004-03-02 Delphi Technologies, Inc. Temperature compensation of an inductive sensor
JP2006228776A (ja) * 2005-02-15 2006-08-31 Advantest Corp 荷電粒子ビーム露光装置及び荷電粒子ビーム露光方法
US7042230B1 (en) * 2005-02-28 2006-05-09 Alain Izadnegahdar Multi-parameter sensing system
JP4906583B2 (ja) * 2007-05-15 2012-03-28 株式会社日本自動車部品総合研究所 燃料性状検出装置
BRPI0703260B1 (pt) * 2007-08-06 2018-11-21 Universidade Estadual De Campinas - Unicamp sistema de sensoriamento óptico para combustíveis líquidos
US20110166771A1 (en) * 2008-10-29 2011-07-07 Mitsubishi Electric Corporation Fuel control system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588713A (en) * 1968-09-04 1971-06-28 Bendix Corp Multiplier circuit
US3546441A (en) * 1969-01-21 1970-12-08 Audn Corp Locomotive engine performance system including the multiplication of analog and digital signals
DE2642891A1 (de) * 1976-09-21 1978-03-23 Schmidt & Haensch Franz Vorrichtung zur messung des optischen brechungsindexes von fluessigen und gasfoermigen medien
NL191373C (nl) * 1980-07-15 1995-06-16 Tno Inrichting voor het sturen van de brandstoftoevoer aan een verbrandingsmotor.
US4640616A (en) * 1984-12-06 1987-02-03 The Cambridge Instrument Company Plc Automatic refractometer
US4749274A (en) * 1986-01-24 1988-06-07 Toyota Jidosha Kabushiki Kaisha Apparatus for detecting fuel mixture ratio
JPS6471350A (en) * 1987-09-11 1989-03-16 Matsushita Electric Ind Co Ltd Signal transmitter
US5015091A (en) * 1988-04-13 1991-05-14 Mitsubishi Denki K.K. Device for detecting alcoholic content
JPH027648A (ja) * 1988-06-24 1990-01-11 Nec Data Terminal Ltd バーコード入力装置付き電話機

Also Published As

Publication number Publication date
DE69128306T2 (de) 1998-04-09
EP0464793B1 (de) 1997-12-03
US5157452A (en) 1992-10-20
EP0464793A2 (de) 1992-01-08
EP0464793A3 (en) 1992-09-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee