BR0201888A - EspectrofotÈmetro insensìvel a deslocamento e orientação angular e azimutal, para sistemas de controle de cor de impressora colorida - Google Patents

EspectrofotÈmetro insensìvel a deslocamento e orientação angular e azimutal, para sistemas de controle de cor de impressora colorida

Info

Publication number
BR0201888A
BR0201888A BR0201888-8A BR0201888A BR0201888A BR 0201888 A BR0201888 A BR 0201888A BR 0201888 A BR0201888 A BR 0201888A BR 0201888 A BR0201888 A BR 0201888A
Authority
BR
Brazil
Prior art keywords
color
spectrophotometer
test area
angle
control systems
Prior art date
Application number
BR0201888-8A
Other languages
English (en)
Inventor
Fred F Hubble
Tonya L Love
Daniel A Robbins
Original Assignee
Xerox 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
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of BR0201888A publication Critical patent/BR0201888A/pt

Links

Classifications

    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0208—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using focussing or collimating elements, e.g. lenses or mirrors; performing aberration correction
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/501—Colorimeters using spectrally-selective light sources, e.g. LEDs
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/504—Goniometric colour measurements, for example measurements of metallic or flake based paints
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/52—Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/52—Measurement of colour; Colour measuring devices, e.g. colorimeters using colour charts
    • G01J3/524—Calibration of colorimeters
    • 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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/46—Measurement of colour; Colour measuring devices, e.g. colorimeters
    • G01J3/50—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • G01J3/513—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters having fixed filter-detector pairs

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

"ESPECTROFOTÈMETRO INSENSìVEL A DESLOCAMENTO E ORIENTAçãO ANGULAR F AZIMUTAL, PARA SISTEMAS DE CONTROLE DE COR DE IMPRESSORA COLORIDA". A invenção refere-se a um espectrofotómetro a cores, aperfeiçoado e de baixo custo, especialmente adequado para um sistema de controle de cor de impressora colorida em linha, no qual diversos LEDs (diodos emissores de luz) de espectros diferentes iluminam perpendicularmente em seq³ência uma área de teste de cor comum e iluminada de forma substancialmente circular, que podem estar espaçados variavelmente e orientados variavelmente em relação ao espectrofotómetro, através de um sistema de lentes central comum, e também a iluminação refletida da mesma pode ser medida a 45 graus de inclinação com a mesma mediante a tomada da média das saídas de fotodetectores espaçados em torno desta área de teste de cor iluminada circularmente, a fim de prover sensibilidade reduzida à orientação angular ou azimutal variável da área de teste de cor em relação ao espectrofotómetro, e cujos fotodetectores podem ser assim iluminados por um sistema ótico de 1:1 para insensibilidade espacial.
BR0201888-8A 2001-05-22 2002-05-21 EspectrofotÈmetro insensìvel a deslocamento e orientação angular e azimutal, para sistemas de controle de cor de impressora colorida BR0201888A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/862,945 US6633382B2 (en) 2001-05-22 2001-05-22 Angular, azimuthal and displacement insensitive spectrophotometer for color printer color control systems

Publications (1)

Publication Number Publication Date
BR0201888A true BR0201888A (pt) 2003-04-22

Family

ID=25339810

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0201888-8A BR0201888A (pt) 2001-05-22 2002-05-21 EspectrofotÈmetro insensìvel a deslocamento e orientação angular e azimutal, para sistemas de controle de cor de impressora colorida

Country Status (7)

Country Link
US (3) US6633382B2 (pt)
EP (1) EP1262749B1 (pt)
JP (1) JP2002365139A (pt)
BR (1) BR0201888A (pt)
CA (1) CA2373648C (pt)
DE (1) DE60216664T2 (pt)
MX (1) MXPA02005094A (pt)

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US20030142314A1 (en) 2003-07-31
US20020191189A1 (en) 2002-12-19
MXPA02005094A (es) 2003-02-24
DE60216664T2 (de) 2007-04-05
US6633382B2 (en) 2003-10-14
JP2002365139A (ja) 2002-12-18
CA2373648C (en) 2005-03-22
US6603551B2 (en) 2003-08-05
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EP1262749A2 (en) 2002-12-04
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