JP5847373B2 - 分光光度計によって画像支持面上のトナー画像のカラー解析を行うためのシステム及び方法 - Google Patents
分光光度計によって画像支持面上のトナー画像のカラー解析を行うためのシステム及び方法 Download PDFInfo
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- JP5847373B2 JP5847373B2 JP2009234253A JP2009234253A JP5847373B2 JP 5847373 B2 JP5847373 B2 JP 5847373B2 JP 2009234253 A JP2009234253 A JP 2009234253A JP 2009234253 A JP2009234253 A JP 2009234253A JP 5847373 B2 JP5847373 B2 JP 5847373B2
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- 238000007639 printing Methods 0.000 description 10
- 238000012546 transfer Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 6
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Classifications
-
- 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
- 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
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference 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
- G01J3/50—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
- G01J3/50—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
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- 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)
- Color Electrophotography (AREA)
Description
(実施例)
301:照射装置
302:画像支持面
302A:トナー画像
304:屈折率分布型レンズ
306:線形可変フィルタ
308:線形センサ
Claims (4)
- 分光光度計によって画像支持面上のトナー画像のカラー解析を行うシステムであって、
前記システムが、
前記画像支持面に隣接して配置され、前記画像支持面上の前記トナー画像に対して光線を照射するように構成されている照射装置と、
前記画像支持面に隣接して配置され、前記画像支持面上の前記トナー画像から反射する光を受光するように構成されている、複数の画素を線形に配列した画素列を含む線形センサと、
前記画像支持面から反射する前記光線の光路上に配置され、前記画像支持面と線形可変フィルタの間に配置されている屈折率分布型レンズと、
前記画像支持面から反射する前記光線の前記光路上に配置され、前記線形センサと前記屈折率分布型レンズとの間に配置されると共に、通過帯域の中心波長が一端から他端まで線形的に変化する線形可変フィルタと、
を含み、
前記屈折率分布型レンズと前記線形可変フィルタとの間にはコリメートレンズが配置されておらず、前記線形可変フィルタと前記線形センサとは、前記線形可変フィルタの通過帯域特性を実効的に拡大する効果を保持するとともに、間隙によって生じた残余誤差がシステムの画質に関して許容範囲にあるように選択された大きさの間隙を隔てて離間されている、
システム。 - 前記線形センサが全幅アレイの画像センサである、請求項1に記載のシステム。
- 分光光度計によって画像支持面上のトナー画像のカラー解析を行う方法であって、
前記画像支持面に隣接して配置されている照射装置に、前記画像支持面上の前記トナー画像に対して光線を照射させ、
前記画像支持面に隣接して配置されている、複数の画素を線形に配列した画素列を含む線形センサに、前記画像支持面上の前記トナー画像から反射する光を、屈折率分布型レンズと、通過帯域の中心波長が一端から他端まで線形的に変化する線形可変フィルタと、を介して受光させ、
前記屈折率分布型レンズが、前記画像支持面から反射する前記光線の光路上でありかつ前記画像支持面と前記線形可変フィルタの間の位置に配置されており、
前記線形可変フィルタが、前記画像支持面から反射する前記光線の前記光路上でありかつ前記線形センサと前記屈折率分布型レンズとの間の位置に配置されており、
前記画像支持面から反射する前記光線の前記光路において、前記屈折率分布型レンズと前記線形可変フィルタとの間にコリメートレンズを配置せず、前記線形可変フィルタと前記線形センサとは、前記線形可変フィルタの通過帯域特性を実効的に拡大する効果を保持するとともに、間隙によって生じた残余誤差がシステムの画質に関して許容範囲にあるように選択された大きさの間隙を隔てて離間されている、
方法。 - 前記線形センサが全幅アレイの画像センサである、請求項3に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/249,200 | 2008-10-10 | ||
US12/249,200 US8203769B2 (en) | 2008-10-10 | 2008-10-10 | In-line linear variable filter based spectrophotometer |
Publications (2)
Publication Number | Publication Date |
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JP2010091567A JP2010091567A (ja) | 2010-04-22 |
JP5847373B2 true JP5847373B2 (ja) | 2016-01-20 |
Family
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JP2009234253A Expired - Fee Related JP5847373B2 (ja) | 2008-10-10 | 2009-10-08 | 分光光度計によって画像支持面上のトナー画像のカラー解析を行うためのシステム及び方法 |
Country Status (2)
Country | Link |
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US (1) | US8203769B2 (ja) |
JP (1) | JP5847373B2 (ja) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
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US8254000B2 (en) * | 2008-10-22 | 2012-08-28 | Xerox Corporation | Matching printer custom target colors using in-line spectrophotometer |
US8368002B2 (en) * | 2009-10-15 | 2013-02-05 | Xerox Corporation | In-line image sensor in combination with linear variable filter based spectrophotometer |
US8462386B2 (en) * | 2009-10-28 | 2013-06-11 | Xerox Corporation | Minimizing spectrophotometer impact on spot color accuracy |
CN102466520B (zh) | 2010-11-11 | 2014-12-17 | 香港纺织及成衣研发中心 | 多光谱成像颜色测量系统及其成像信号处理方法 |
US8587832B2 (en) | 2011-06-10 | 2013-11-19 | Xerox Corporation | Dual color matching feedback control method and system for hiding infrared markings and other information |
JP5542756B2 (ja) * | 2011-08-31 | 2014-07-09 | キヤノンファインテック株式会社 | 画像読取装置及び画像形成装置 |
JP5987573B2 (ja) | 2012-09-12 | 2016-09-07 | セイコーエプソン株式会社 | 光学モジュール、電子機器、及び駆動方法 |
US9885655B2 (en) | 2012-11-13 | 2018-02-06 | Viavi Solutions Inc. | Spectrometer with a relay lightpipe |
KR102171418B1 (ko) | 2012-11-13 | 2020-10-29 | 비아비 솔루션즈 아이엔씨. | 휴대용 분광계 |
CN103698010B (zh) * | 2013-12-31 | 2016-05-04 | 中国科学院光电研究院 | 一种微型化线性渐变滤光片型成像光谱仪 |
CN109520618B (zh) * | 2014-01-31 | 2021-02-26 | 唯亚威通讯技术有限公司 | 光学滤波器和分光计 |
DE102014014983A1 (de) | 2014-10-07 | 2016-04-07 | Technische Universität Dresden | Optisches Filterelement für spektroskopische Einrichtungen zur Umwandlung von spektralen Informationen in Ortsinformationen |
JP2016118468A (ja) * | 2014-12-22 | 2016-06-30 | セイコーエプソン株式会社 | 測色装置および印刷装置 |
CN104568826A (zh) * | 2015-01-22 | 2015-04-29 | 天津大学 | 一种基于线性渐变滤光片的微型固化近红外光谱仪 |
WO2016161463A1 (en) * | 2015-04-03 | 2016-10-06 | David Markus | Method and apparatus for an imaging lens |
US9578209B2 (en) | 2015-04-28 | 2017-02-21 | Xerox Corporation | Dual-use full-width array and methods for usage thereof |
US9869590B2 (en) | 2015-05-29 | 2018-01-16 | Xerox Corporation | Spatially-resolved FWA spectrophotometer using micropatterned optical filters |
US9702689B2 (en) * | 2015-06-18 | 2017-07-11 | Xerox Corporation | Use of a full width array imaging sensor to measure real time film thicknesses on film manufacturing equipment |
US10048127B2 (en) | 2015-08-05 | 2018-08-14 | Viavi Solutions Inc. | Optical filter and spectrometer |
GB2559957A (en) | 2017-02-15 | 2018-08-29 | Univ Of The West Of Scotland | Infrared spectrophotometer |
GB201702478D0 (en) | 2017-02-15 | 2017-03-29 | Univ Of The West Of Scotland | Apparatus and methods for depositing variable interference filters |
US11175222B2 (en) | 2017-11-15 | 2021-11-16 | The Board Of Trustees Of The University Of Illinois | Integrated spectroscopic analysis system with low vertical height for measuring liquid or solid assays |
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JPH0785034B2 (ja) * | 1986-05-15 | 1995-09-13 | ミノルタ株式会社 | 分光測定センサ |
JPS63255627A (ja) * | 1987-04-11 | 1988-10-21 | Minolta Camera Co Ltd | 分光測光装置 |
JPH05167847A (ja) * | 1991-12-11 | 1993-07-02 | Minolta Camera Co Ltd | 画像読取装置 |
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2008
- 2008-10-10 US US12/249,200 patent/US8203769B2/en active Active
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US20100092083A1 (en) | 2010-04-15 |
JP2010091567A (ja) | 2010-04-22 |
US8203769B2 (en) | 2012-06-19 |
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