DK0477300T3 - Farveovervågning - Google Patents

Farveovervågning

Info

Publication number
DK0477300T3
DK0477300T3 DK90917755.2T DK90917755T DK0477300T3 DK 0477300 T3 DK0477300 T3 DK 0477300T3 DK 90917755 T DK90917755 T DK 90917755T DK 0477300 T3 DK0477300 T3 DK 0477300T3
Authority
DK
Denmark
Prior art keywords
target
pct
light
reflected light
sensor
Prior art date
Application number
DK90917755.2T
Other languages
English (en)
Inventor
Sajad Mohammed Jawad
John Frederick Alder
Original Assignee
Secr Defence Brit
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 Secr Defence Brit filed Critical Secr Defence Brit
Application granted granted Critical
Publication of DK0477300T3 publication Critical patent/DK0477300T3/da

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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • G01J2001/1636—Arrangements with two photodetectors, the signals of which are compared one detector directly monitoring the source, e.g. also impulse time controlling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J2001/444—Compensating; Calibrating, e.g. dark current, temperature drift, noise reduction or baseline correction; Adjusting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits
    • G01J2001/4446—Type of detector
    • G01J2001/446—Photodiode
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/06—Illumination; Optics
    • G01N2201/069—Supply of sources
    • G01N2201/0695—Supply to maintain constant beam intensity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/08—Optical fibres; light guides
    • G01N2201/082—Fibres for a reference path
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/127—Calibration; base line adjustment; drift compensation
    • G01N2201/12746—Calibration values determination
    • G01N2201/12753—Calibration values determination and storage

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Eye Examination Apparatus (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Glass Compositions (AREA)
DK90917755.2T 1989-06-15 1990-06-15 Farveovervågning DK0477300T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB898913800A GB8913800D0 (en) 1989-06-15 1989-06-15 Colour monitoring

Publications (1)

Publication Number Publication Date
DK0477300T3 true DK0477300T3 (da) 1994-07-11

Family

ID=10658501

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90917755.2T DK0477300T3 (da) 1989-06-15 1990-06-15 Farveovervågning

Country Status (9)

Country Link
US (1) US5239175A (da)
EP (1) EP0477300B1 (da)
AT (1) ATE106556T1 (da)
CA (1) CA2058432A1 (da)
DE (1) DE69009475T2 (da)
DK (1) DK0477300T3 (da)
ES (1) ES2054378T3 (da)
GB (2) GB8913800D0 (da)
WO (1) WO1990015972A1 (da)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5362971A (en) * 1993-03-10 1994-11-08 Terrascope Systems, Inc. Fiber optic detection system
US5406067A (en) * 1993-08-17 1995-04-11 Tektronix, Inc. Electrically adjusted mosaic filter for use as an optical sensor in an optical measurement instrument
US5573953A (en) * 1994-09-09 1996-11-12 Quantum Group, Inc. Method for enhancing the response of a biomimetic sensor
US5859552A (en) * 1995-10-06 1999-01-12 Lsi Logic Corporation Programmable slew rate control circuit for output buffer
US6516101B1 (en) * 1997-10-09 2003-02-04 Mustek System, Inc. Image scanning device having image data correction function
JP3787456B2 (ja) * 1999-04-26 2006-06-21 キヤノン株式会社 カラー画像処理装置、カラー画像処理方法及び記憶媒体
US7248733B2 (en) * 1999-04-26 2007-07-24 Canon Kabushiki Kaisha Color-image processing apparatus and method, and storage medium
DE10025097B4 (de) * 2000-05-20 2004-04-15 Robert Bosch Gmbh Optischer Sensor und Verfahren zur Herstellung desselben
AU2003302503A1 (en) * 2002-12-04 2004-06-23 Honeywell International Inc. Compact opto-fluidic chemical sensor
US20070243107A1 (en) * 2006-04-13 2007-10-18 Chase D Bruce Hand-held gas detector and method of gas detection
US10436761B2 (en) * 2015-05-05 2019-10-08 Honeywell International Inc. Gas identification by measuring stain development at multiple specific wavelength regions with narrow band optical sensors
US20190041338A1 (en) * 2016-02-11 2019-02-07 Honeywell International Inc. Probing film that absorbs and reacts with gases, with light of different wavelengths, humidity detection, and optionally temperature detection
KR102290841B1 (ko) * 2016-02-11 2021-08-20 허니웰 인터내셔널 인코포레이티드 높은 가스 감도를 위해 다른 파장의 빛을 가지고, 가스를 흡수하고 반응하는 프로빙 필름
EP4043867A1 (en) 2016-02-11 2022-08-17 Honeywell International Inc. Method of detecting a target gas employing a probing film that absorbs and reacts with gases, with transmitted light for higher gas sensitivity

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910701A (en) * 1973-07-30 1975-10-07 George R Henderson Method and apparatus for measuring light reflectance absorption and or transmission
SE415397B (sv) * 1978-06-02 1980-09-29 Asea Ab Fiberoptiskt metdon
SE428061B (sv) * 1981-09-15 1983-05-30 Asea Ab Fiberoptisk metapparatur
EP0109686B1 (en) * 1982-11-22 1989-10-11 Hitachi Maxell Ltd. Color sensor
JPS59188517A (ja) * 1983-04-11 1984-10-25 Fanuc Ltd サ−ボ制御系の絶対位置検出方式
NL8400380A (nl) * 1984-02-07 1985-09-02 Optische Ind De Oude Delft Nv Inrichting voor het detecteren van kleurverschillen.
GB8420614D0 (en) * 1984-08-14 1984-09-19 Unvala Ltd Colour measuring apparatus
US4845647A (en) * 1985-01-24 1989-07-04 Accufiber, Inc. Method and apparatus for determining temperature in a blackbody radiation sensing system
US4760250A (en) * 1986-09-29 1988-07-26 Spectramed, Inc. Optoelectronics system for measuring environmental properties having plural feedback detectors
NL191070C (nl) * 1987-06-25 1995-01-02 Exploitatiemaatschappij H J Va Inrichting voor het bepalen van de kleur van produkten, in het bijzonder tuinbouwprodukten.
FI77736C (fi) * 1987-06-25 1989-04-10 Valtion Teknillinen Foerfarande foer reglering av straolkaella och reglerbar straolkaella.
JP3175935B2 (ja) * 1987-09-30 2001-06-11 株式会社東芝 光ファイバ応用センサ
DE3879896D1 (de) * 1987-12-03 1993-05-06 Siemens Ag Farbsensoranordnung fuer die erkennung von gegenstaenden mit farbigen oberflaechen.

Also Published As

Publication number Publication date
CA2058432A1 (en) 1990-12-16
US5239175A (en) 1993-08-24
GB2250815B (en) 1993-04-28
GB2250815A (en) 1992-06-17
DE69009475D1 (de) 1994-07-07
GB8913800D0 (en) 1989-08-02
GB9124684D0 (en) 1992-02-19
EP0477300A1 (en) 1992-04-01
ATE106556T1 (de) 1994-06-15
EP0477300B1 (en) 1994-06-01
WO1990015972A1 (en) 1990-12-27
DE69009475T2 (de) 1994-09-29
ES2054378T3 (es) 1994-08-01

Similar Documents

Publication Publication Date Title
DK0477300T3 (da) Farveovervågning
ATE195388T1 (de) Vorrichtung zur funktionsprüfung von rauchmeldern
JPS56130608A (en) Range finding system
EP1562038A3 (en) Method for laser induced fluorescence attenuation spectroscopy
ATE68051T1 (de) Temperaturmessung.
CA2038170A1 (en) Chemical luminescence-detecting apparatus
DE3683097D1 (de) Einrichtung zur optischen truebungsmessung von gasen.
DK587587D0 (da) Apparat til farvekontrol af genstande
KR900017550A (ko) 간 기능 검사장치
JP2002171519A (ja) 赤外線カラー画像形成装置
KR870005241A (ko) 색변화를 유도하는 파라메타의 정밀측정을 위한 색채정량화 장치
JPS5539049A (en) Detection and detector of optical attenuation
TR199700900T1 (xx) Hedeflerin bulgulanmas� i�in d�zenek.
GB2234061A (en) Water monitor
JPS57196137A (en) Measuring device for photo luminescence intensity
JPS57147039A (en) Data discriminating device for photometer
JPS6488696A (en) Method and device for reading optical recording
JPS542700A (en) Optical fire detector
RU13095U1 (ru) Устройство бесконтактного контроля нестационарности микрообъектов
SE9301313D0 (sv) Avstaembar fluoroscensanordning med avstaembar detektion
SE9103427D0 (sv) Foerfarande vid kvantifiering av en substans med hjaelp av fluorescens
RU97111589A (ru) Способ контроля горения
JPS57120674A (en) Detection of etching
SU1017933A1 (ru) Атомно-флуоресцентный анализатор
SU1376005A1 (ru) Анализатор частиц