BR0201882A - EspectrofotÈmetro de análise simultânea de várias cores - Google Patents

EspectrofotÈmetro de análise simultânea de várias cores

Info

Publication number
BR0201882A
BR0201882A BR0201882A BR0201882A BR0201882A BR 0201882 A BR0201882 A BR 0201882A BR 0201882 A BR0201882 A BR 0201882A BR 0201882 A BR0201882 A BR 0201882A BR 0201882 A BR0201882 A BR 0201882A
Authority
BR
Brazil
Prior art keywords
color
spectrophotometer
different
several
sets
Prior art date
Application number
BR0201882A
Other languages
English (en)
Inventor
Jagdish C Tandon
Lalit K Mestha
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
Priority claimed from US09/862,247 external-priority patent/US6621576B2/en
Priority claimed from US09/888,791 external-priority patent/US6567170B2/en
Application filed by Xerox Corp filed Critical Xerox Corp
Publication of BR0201882A publication Critical patent/BR0201882A/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
    • G01J3/51—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using colour filters
    • 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
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/603—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer
    • H04N1/6033—Colour correction or control controlled by characteristics of the picture signal generator or the picture reproducer using test pattern analysis
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/00025—Machine control, e.g. regulating different parts of the machine
    • G03G2215/00029—Image density detection
    • G03G2215/00063—Colour

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

"ESPECTROFOTÈMETRO DE ANáLISE SIMULTâNEA DE VáRIAS CORES". Um espectrofotómetro de cor de baixo custo ainda que de alta velocidade, especialmente adequado para sistemas de controle de cor de impressora colorida on-line pode ser simultaneamente iluminado e substancialmente simultaneamente ter as cores analisadas de forma separada. Números reduzidos de folhas de impressão, com vários conjuntos de várias pequenas placas de teste de cor diferentes adjacentes, podem ser utilizadas. As imagens refletidas das várias diferentes placas de teste de cor podem ser simultaneamente focadas em áreas diferentes de um chip fotodetector para expor conjuntos de vários foto-locais que respondem às cores de forma diferente para proporcionar vários sinais de cor separados para cada imagem da placa de teste de cor diferente.
BR0201882A 2001-05-22 2002-05-21 EspectrofotÈmetro de análise simultânea de várias cores BR0201882A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/862,247 US6621576B2 (en) 2001-05-22 2001-05-22 Color imager bar based spectrophotometer for color printer color control system
US09/888,791 US6567170B2 (en) 2001-06-25 2001-06-25 Simultaneous plural colors analysis spectrophotometer

Publications (1)

Publication Number Publication Date
BR0201882A true BR0201882A (pt) 2003-03-11

Family

ID=27127680

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0201882A BR0201882A (pt) 2001-05-22 2002-05-21 EspectrofotÈmetro de análise simultânea de várias cores

Country Status (4)

Country Link
EP (1) EP1260878B1 (pt)
JP (1) JP4031824B2 (pt)
BR (1) BR0201882A (pt)
DE (1) DE60231072D1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10156804B4 (de) * 2001-11-20 2011-03-17 Quidel Corp., San Diego Optische Meßvorrichtung für Teststreifen
US6938977B2 (en) * 2003-07-25 2005-09-06 Xerox Corporation Method for improved characterization of single-pass bi-directional printers
US6975949B2 (en) * 2004-04-27 2005-12-13 Xerox Corporation Full width array scanning spectrophotometer
US7583863B2 (en) * 2004-05-10 2009-09-01 Avago Technologies General Ip (Singapore) Pte. Ltd. Method and system for wavelength-dependent imaging and detection using a hybrid filter
JP4669889B2 (ja) * 2008-04-24 2011-04-13 倉敷紡績株式会社 分光測色装置及び分光測色方法
JP5570798B2 (ja) 2009-12-15 2014-08-13 オリンパス株式会社 光走査型内視鏡装置
JP2013007610A (ja) 2011-06-23 2013-01-10 Canon Inc 測色器及び画像形成装置
JP2013086502A (ja) * 2011-10-24 2013-05-13 Sinfonia Technology Co Ltd カラープリンタ
EP3807606B1 (en) * 2018-06-14 2024-03-06 ams International AG Integrated sensor modules for detection of chemical substances
WO2021091534A1 (en) 2019-11-05 2021-05-14 Hewlett-Packard Development Company, L.P. Printer colour deviation detection
IT202100021215A1 (it) * 2021-08-05 2023-02-05 Digital Impact S R L Dispositivo di calibratura per stampanti

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4752822A (en) * 1983-03-08 1988-06-21 Canon Kabushiki Kaisha Color halftone image processing apparatus producing various screen angles and having an adaptive color image data conversion look-up table and a small-capacity masking memory
EP0266186B1 (en) * 1986-10-29 1993-09-29 Canon Kabushiki Kaisha Colour image reading apparatus or colour image forming apparatus
US5377000A (en) * 1993-04-29 1994-12-27 Color And Appearance Technology, Inc. Portable appearance measuring apparatus
DE4434168B4 (de) * 1994-09-24 2004-12-30 Byk-Gardner Gmbh Vorrichtung und Verfahren zur Messung und Auswertung von spektralen Strahlungen und insbesondere zur Messung und Auswertung von Farbeigenschaften
US5699450A (en) * 1995-02-28 1997-12-16 Xerox Corporation Detector array method and apparatus for real time in situ color control in printers and copiers
US5642197A (en) * 1995-09-27 1997-06-24 Xerox Corporation System and method for enhancing color seperation utilizing multiple pass scanner in a single pass color scanner
US5903712A (en) * 1995-10-05 1999-05-11 Goss Graphic Systems, Inc. Ink separation device for printing press ink feed control
JP3546914B2 (ja) * 1996-10-18 2004-07-28 富士ゼロックス株式会社 光学測定方法、光学測定装置および画像形成装置
US6407830B1 (en) * 1999-02-05 2002-06-18 Hewlett-Packard Co. Sensor assemblies for color optical image scanners optical scanner and methods of scanning color images

Also Published As

Publication number Publication date
EP1260878A2 (en) 2002-11-27
JP4031824B2 (ja) 2008-01-09
JP2003014545A (ja) 2003-01-15
EP1260878A3 (en) 2006-04-12
DE60231072D1 (de) 2009-03-19
EP1260878B1 (en) 2009-02-04

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Legal Events

Date Code Title Description
B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

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B09B Patent application refused [chapter 9.2 patent gazette]

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