CA2633253C - Apparatus and method for illuminator-independent color measurements - Google Patents

Apparatus and method for illuminator-independent color measurements Download PDF

Info

Publication number
CA2633253C
CA2633253C CA2633253A CA2633253A CA2633253C CA 2633253 C CA2633253 C CA 2633253C CA 2633253 A CA2633253 A CA 2633253A CA 2633253 A CA2633253 A CA 2633253A CA 2633253 C CA2633253 C CA 2633253C
Authority
CA
Canada
Prior art keywords
light beam
spatial regions
regions
light
spectrum
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
CA2633253A
Other languages
English (en)
French (fr)
Other versions
CA2633253A1 (en
Inventor
John F. Shakespeare
Tarja T. Shakespeare
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.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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 Honeywell International Inc filed Critical Honeywell International Inc
Publication of CA2633253A1 publication Critical patent/CA2633253A1/en
Application granted granted Critical
Publication of CA2633253C publication Critical patent/CA2633253C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • G01J3/30Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/36Investigating two or more bands of a spectrum by separate detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0205Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/0289Field-of-view determination; Aiming or pointing of a spectrometer; Adjusting alignment; Encoding angular position; Size of measurement area; Position tracking
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02Details
    • G01J3/10Arrangements of light sources specially adapted for spectrometry or colorimetry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28Investigating the spectrum
    • G01J3/42Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/52Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts
    • G01J3/524Calibration of colorimeters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/251Colorimeters; Construction thereof
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27Colour; 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
    • G01N21/274Calibration, base line adjustment, drift correction
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N21/645Specially adapted constructive features of fluorimeters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01JMEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12Generating the spectrum; Monochromators
    • G01J2003/1286Polychromator in general
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N2021/6417Spectrofluorimetric devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N2021/6417Spectrofluorimetric devices
    • G01N2021/6419Excitation at two or more wavelengths
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N2021/6417Spectrofluorimetric devices
    • G01N2021/6421Measuring at two or more wavelengths
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/62Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
    • G01N21/63Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
    • G01N21/64Fluorescence; Phosphorescence
    • G01N2021/6417Spectrofluorimetric devices
    • G01N2021/6423Spectral mapping, video display

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
CA2633253A 2005-12-15 2006-12-11 Apparatus and method for illuminator-independent color measurements Expired - Fee Related CA2633253C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/300,899 US7859668B2 (en) 2005-12-15 2005-12-15 Apparatus and method for illuminator-independent color measurements
US11/300,899 2005-12-15
PCT/US2006/046953 WO2007078609A1 (en) 2005-12-15 2006-12-11 Apparatus and method for illuminator-independent color measurements

Publications (2)

Publication Number Publication Date
CA2633253A1 CA2633253A1 (en) 2007-07-12
CA2633253C true CA2633253C (en) 2015-04-28

Family

ID=37997334

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2633253A Expired - Fee Related CA2633253C (en) 2005-12-15 2006-12-11 Apparatus and method for illuminator-independent color measurements

Country Status (6)

Country Link
US (1) US7859668B2 (enExample)
EP (1) EP1960749B1 (enExample)
JP (1) JP2009520184A (enExample)
CN (1) CN101375142B (enExample)
CA (1) CA2633253C (enExample)
WO (1) WO2007078609A1 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8017927B2 (en) * 2005-12-16 2011-09-13 Honeywell International Inc. Apparatus, system, and method for print quality measurements using multiple adjustable sensors
US7688447B2 (en) 2005-12-29 2010-03-30 Honeywell International Inc. Color sensor
US7573575B2 (en) 2005-12-29 2009-08-11 Honeywell International Inc. System and method for color measurements or other spectral measurements of a material
US7592608B2 (en) * 2008-01-22 2009-09-22 Honeywell International Inc. Apparatus and method for measuring and/or controlling ultraviolet-activated materials in a paper-making process
US8049892B2 (en) * 2008-01-22 2011-11-01 Honeywell International Inc. Apparatus and method for camera-based color measurements
US8184294B2 (en) * 2009-03-09 2012-05-22 Honeywell International Inc. Apparatus and method for measuring haze of sheet materials or other materials
WO2011052044A1 (ja) * 2009-10-27 2011-05-05 キヤノン株式会社 色処理装置および色処理方法
US8401809B2 (en) 2010-07-12 2013-03-19 Honeywell International Inc. System and method for adjusting an on-line appearance sensor system
US9557268B2 (en) * 2011-03-01 2017-01-31 Gauge Scientific, Llc Analyte detector and method
US8836944B2 (en) * 2012-09-27 2014-09-16 Uchicago Argonne, Llc Spatially resolved imaging of opto-electrical property variations
FR3101144B1 (fr) 2019-09-23 2021-10-15 Odesyo Système et procédé de contrôle de la couleur d’un article en déplacement

Family Cites Families (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006358A (en) 1975-06-12 1977-02-01 Measurex Corporation Method and apparatus for measuring the amount of moisture that is associated with a web of moving material
US4288691A (en) 1977-12-19 1981-09-08 Jersey Nuclear-Avco Isotopes, Inc. Laser pulse shaping
US4376946A (en) 1980-11-28 1983-03-15 Bell Telephone Laboratories, Incorporated Superluminescent LED with efficient coupling to optical waveguide
US4439038A (en) * 1981-03-03 1984-03-27 Sentrol Systems Ltd. Method and apparatus for measuring and controlling the color of a moving web
DE3148076A1 (de) 1981-12-04 1983-06-09 Salvat Editores, S.A., Barcelona Anordnung zum messen und steuern der farbdichte eines drucks
US4565444A (en) * 1982-11-01 1986-01-21 Sentrol Systems Ltd. Electronically scanned spectrometer color, brightness and opacity measurement and control system
US4592043A (en) 1983-07-08 1986-05-27 At&T Bell Laboratories Wavelength division multiplexing optical communications systems
US4699510A (en) * 1984-11-07 1987-10-13 Measurex Corporation Color sensor
US4634928A (en) 1985-04-19 1987-01-06 Trw Inc. Superluminescent light-emitting diode and related method
US4883963A (en) 1986-04-28 1989-11-28 Bran+Luebbe Gmbh Optical analysis method and apparatus having programmable rapid random wavelength access
US4786817A (en) 1986-08-29 1988-11-22 Measurex Corporation System and method for measurement of traveling webs
US4856014A (en) 1986-12-31 1989-08-08 Trw Inc. Angled stripe superluminescent diode
US4928013A (en) 1987-02-17 1990-05-22 Measurex Corporation Temperature insensitive moisture sensor
US4807630A (en) 1987-10-09 1989-02-28 Advanced Medical Systems, Inc. Apparatus and method for use in pulse oximeters
US4800885A (en) 1987-12-02 1989-01-31 The Boc Group, Inc. Blood constituent monitoring apparatus and methods with frequency division multiplexing
US5122974A (en) 1989-02-06 1992-06-16 Nim, Inc. Phase modulated spectrophotometry
JPH0315742A (ja) 1989-03-23 1991-01-24 Anritsu Corp ガス検出装置
US5313187A (en) 1989-10-11 1994-05-17 Bell Sports, Inc. Battery-powered flashing superluminescent light emitting diode safety warning light
US5047652A (en) 1990-04-16 1991-09-10 International Paper Company System for on-line measurement of color, opacity and reflectance of a translucent moving web
US5137364A (en) 1991-01-31 1992-08-11 Mccarthy Cornelius J Optical spectral analysis apparatus
US5338361A (en) 1991-11-04 1994-08-16 Measurex Corporation Multiple coat measurement and control apparatus and method
US5235192A (en) 1991-12-09 1993-08-10 Measurex Corporation Sensor and method for measurment of select components of a material based on detection of radiation after interaction with the material
JPH06317472A (ja) * 1993-04-30 1994-11-15 Shimadzu Corp 蛍光光度計
US5400258A (en) 1993-09-03 1995-03-21 Measurex Corporation Automatic cross-directional control zone alignment for sheetmaking systems
DE69424559T2 (de) 1993-10-28 2001-01-18 Perretta Graphics Corp., Poughkeepsie Verfahren zum regeln der farbdichte
DE19503763C2 (de) 1995-02-04 1996-11-28 Honeywell Ag Vorrichtung zur Farbmessung
US5774213A (en) 1995-04-21 1998-06-30 Trebino; Rick P. Techniques for measuring difference of an optical property at two wavelengths by modulating two sources to have opposite-phase components at a common frequency
DE19515499C2 (de) 1995-04-27 1997-03-06 Heidelberger Druckmasch Ag Verfahren zur simultanen Mehrfarbregelung beim Drucken
US6058201A (en) 1995-05-04 2000-05-02 Web Printing Controls Co., Inc. Dynamic reflective density measuring and control system for a web printing press
US5821536A (en) 1995-06-07 1998-10-13 Pettit; John W. Solid state infrared gauge
US5642192A (en) 1995-06-12 1997-06-24 Measurex Corporation Dual spectrometer color sensor
US5642189A (en) 1995-06-12 1997-06-24 Measurex Corporation Color sensor simulating standard source illuminant
US5963333A (en) 1996-09-12 1999-10-05 Color Savvy Systems Limited Color sensor
US5795394A (en) 1997-06-02 1998-08-18 Honeywell-Measurex Coating weight measuring and control apparatus
US6070093A (en) * 1997-12-02 2000-05-30 Abbott Laboratories Multiplex sensor and method of use
US6272440B1 (en) * 1997-12-11 2001-08-07 Metso Paper Automation, Inc. Method and apparatus for measuring color and/or composition
US6263291B1 (en) * 1997-12-11 2001-07-17 Metso Paper Automation Inc. Method and apparatus for measuring color and/or composition
US6080278A (en) 1998-01-27 2000-06-27 Honeywell-Measurex Corporation Fast CD and MD control in a sheetmaking machine
US6296189B1 (en) * 1998-08-26 2001-10-02 Spectra Science Corporation. Methods and apparatus employing multi-spectral imaging for the remote identification and sorting of objects
DE19912500A1 (de) 1999-03-19 2000-09-21 Voith Sulzer Papiertech Patent Verfahren und Vorrichtung zum Bestimmen von Eigenschaften einer laufenden Materialbahn
US6556305B1 (en) 2000-02-17 2003-04-29 Veeco Instruments, Inc. Pulsed source scanning interferometer
JP2003522578A (ja) * 2000-02-18 2003-07-29 アーゴス インク 不均質組織における空間的に平均された励起−発光マップの生成
US6499402B1 (en) 2000-05-17 2002-12-31 Web Printing Controls Co., Inc. System for dynamically monitoring and controlling a web printing press
FI20001970A7 (fi) 2000-09-06 2002-04-15 Metso Paper Automation Oy Paperin tai kartongin mittaus
US6633382B2 (en) 2001-05-22 2003-10-14 Xerox Corporation Angular, azimuthal and displacement insensitive spectrophotometer for color printer color control systems
JP4673509B2 (ja) * 2001-06-29 2011-04-20 株式会社東芝 発光検出装置
US6584435B2 (en) 2001-08-30 2003-06-24 Xerox Corporation Systems and methods for determining spectra using dynamic karhunen-loeve algorithms with measurements from led color sensor
US7473897B2 (en) 2001-09-12 2009-01-06 Tecan Trading Ag System, method, and computer program for conducting optical transmission measurements and evaluating determined measuring variables
US20030058441A1 (en) * 2001-09-20 2003-03-27 Metso Paper Automation Oy, Method and apparatus for optical measurements
US6835173B2 (en) 2001-10-05 2004-12-28 Scimed Life Systems, Inc. Robotic endoscope
WO2003033266A1 (en) 2001-10-15 2003-04-24 Toppan Printing Co., Ltd. Printing method, printed matter, and printing controller
US7294838B2 (en) 2001-10-30 2007-11-13 Rae Todd A Traversing measurement system for a dryer and associated method
US6763322B2 (en) 2002-01-09 2004-07-13 General Electric Company Method for enhancement in screening throughput
US6805899B2 (en) 2002-01-30 2004-10-19 Honeywell International Inc. Multi-measurement/sensor coating consolidation detection method and system
US6724473B2 (en) 2002-03-27 2004-04-20 Kla-Tencor Technologies Corporation Method and system using exposure control to inspect a surface
JP2005536835A (ja) 2002-06-26 2005-12-02 イノベーションズ イン オプティクス, インコーポレイテッド 高輝度照射システム
US6866367B2 (en) 2002-12-20 2005-03-15 Eastman Kodak Company Ink jet printing system using a fiber optic data link
US7017492B2 (en) 2003-03-10 2006-03-28 Quad/Tech, Inc. Coordinating the functioning of a color control system and a defect detection system for a printing press
US6949734B2 (en) 2003-04-22 2005-09-27 Itt Manufacturing Enterprises, Inc. Active remote sensing using a spectral lock-in technique
US7009170B2 (en) 2003-06-26 2006-03-07 Itt Manufacturing Enterprises, Inc. Active remote sensing using a simultaneous spectral sampling technique
WO2005082007A2 (en) * 2004-02-25 2005-09-09 B & W Tek, Inc. Fourier transform spectrometer apparatus multi-element mems
US7291856B2 (en) 2005-04-28 2007-11-06 Honeywell International Inc. Sensor and methods for measuring select components in moving sheet products
US8017927B2 (en) 2005-12-16 2011-09-13 Honeywell International Inc. Apparatus, system, and method for print quality measurements using multiple adjustable sensors
US7688447B2 (en) 2005-12-29 2010-03-30 Honeywell International Inc. Color sensor
US7573575B2 (en) 2005-12-29 2009-08-11 Honeywell International Inc. System and method for color measurements or other spectral measurements of a material

Also Published As

Publication number Publication date
US7859668B2 (en) 2010-12-28
EP1960749B1 (en) 2011-09-28
CN101375142A (zh) 2009-02-25
JP2009520184A (ja) 2009-05-21
WO2007078609A1 (en) 2007-07-12
US20070139735A1 (en) 2007-06-21
CA2633253A1 (en) 2007-07-12
CN101375142B (zh) 2011-06-08
EP1960749A1 (en) 2008-08-27

Similar Documents

Publication Publication Date Title
EP1784624B1 (en) Calibration for spectroscopic analysis
US5771094A (en) Film measurement system with improved calibration
JP6042961B2 (ja) 測色ユニット
CA2633253C (en) Apparatus and method for illuminator-independent color measurements
US8288739B2 (en) Method and apparatus for measuring optical property of fluorescent sample
KR101078135B1 (ko) 광원 스펙트럼 분석용 분광기의 전 영역 교정 장치 및 그 장치에서 정보 획득 방법
CA2584529A1 (en) Reflectometer and associated light source for use in a chemical analyzer
US20070086009A1 (en) Process for the colour measurement of printed samples including brighteners
US8334522B2 (en) Method for the quantitative determination of the concentration of fluorophores of a substance in a sample and apparatus for carrying out the same
JP2025063227A (ja) 内蔵光源を有する回路板
Zwinkels et al. Instrumentation, standards, and procedures used at the National Research Council of Canada for high-accuracy fluorescence measurements
US20120307240A1 (en) Spectrophotometer and method for determining performance thereof
CN219977741U (zh) 一种镜头检测装置
WO2024223535A1 (en) Temperature-robust calibration path optical design
JP5184842B2 (ja) 着色膜厚測定方法及び装置
KR100961138B1 (ko) 분광분석기
Leloup et al. BRDF and gloss measurements
JP2005321349A (ja) 材質判断装置
CN114486754B (zh) 基于归一化系数消除光源起伏对物体色度测量影响的方法
Nadal et al. 0: 45 Surface Color
JP2005221307A (ja) 色度計
CN117309323A (zh) 一种镜头检测装置及检测方法
KR20250174922A (ko) 온도 강건성 교정 경로 광학 설계
WO2024223507A1 (en) Temperature-robust calibration path optical design
KR20250174921A (ko) 온도 강건성 교정 경로 광학 설계

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20210831

MKLA Lapsed

Effective date: 20191211