WO2003038383A1 - Procede et dispositif permettant de detecter la teinte et la densite d'une feuille multicolore - Google Patents

Procede et dispositif permettant de detecter la teinte et la densite d'une feuille multicolore Download PDF

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Publication number
WO2003038383A1
WO2003038383A1 PCT/JP2002/011271 JP0211271W WO03038383A1 WO 2003038383 A1 WO2003038383 A1 WO 2003038383A1 JP 0211271 W JP0211271 W JP 0211271W WO 03038383 A1 WO03038383 A1 WO 03038383A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
electric signals
density
reflection
sheet
Prior art date
Application number
PCT/JP2002/011271
Other languages
English (en)
French (fr)
Inventor
Ryosuke Takahara
Original Assignee
Webtech Co., Ltd.
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 JP2001333842A external-priority patent/JP2003139702A/ja
Priority claimed from JP2001335790A external-priority patent/JP2003136684A/ja
Application filed by Webtech Co., Ltd. filed Critical Webtech Co., Ltd.
Publication of WO2003038383A1 publication Critical patent/WO2003038383A1/ja

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
    • G01J3/46—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
    • G01J3/502—Measurement of colour; Colour measuring devices, e.g. colorimeters using electric radiation detectors using a dispersive element, e.g. grating, prism

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
PCT/JP2002/011271 2001-10-31 2002-10-30 Procede et dispositif permettant de detecter la teinte et la densite d'une feuille multicolore WO2003038383A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2001333842A JP2003139702A (ja) 2001-10-31 2001-10-31 印刷シ−ト上の多色刷り画像濃度検出装置
JP2001-333842 2001-10-31
JP2001335790A JP2003136684A (ja) 2001-10-31 2001-10-31 多色刷りオフセット印刷方法
JP2001-335790 2001-10-31

Publications (1)

Publication Number Publication Date
WO2003038383A1 true WO2003038383A1 (fr) 2003-05-08

Family

ID=26624231

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/011271 WO2003038383A1 (fr) 2001-10-31 2002-10-30 Procede et dispositif permettant de detecter la teinte et la densite d'une feuille multicolore

Country Status (1)

Country Link
WO (1) WO2003038383A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8363217B2 (en) 2009-11-04 2013-01-29 Ricoh Company, Ltd. Spectrometric measurement apparatus, image evaluation apparatus, and image forming apparatus
US9068893B2 (en) 2009-03-30 2015-06-30 Ricoh Company, Ltd. Spectral characteristic obtaining apparatus, image evaluation apparatus and image forming apparatus
US9197761B2 (en) 2013-08-15 2015-11-24 Ricoh Company, Ltd. Spectral characteristic acquisition apparatus, image evaluation apparatus, and image forming apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000304614A (ja) * 1999-04-26 2000-11-02 Yokogawa Electric Corp 分光装置
JP2000356552A (ja) * 1999-06-11 2000-12-26 Kawatetsu Techno Res Corp 印刷面の色彩・濃度測定方法および装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000304614A (ja) * 1999-04-26 2000-11-02 Yokogawa Electric Corp 分光装置
JP2000356552A (ja) * 1999-06-11 2000-12-26 Kawatetsu Techno Res Corp 印刷面の色彩・濃度測定方法および装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9068893B2 (en) 2009-03-30 2015-06-30 Ricoh Company, Ltd. Spectral characteristic obtaining apparatus, image evaluation apparatus and image forming apparatus
US9222833B2 (en) 2009-03-30 2015-12-29 Ricoh Company, Ltd. Spectral characteristic obtaining apparatus, image evaluation apparatus and image forming apparatus
US8363217B2 (en) 2009-11-04 2013-01-29 Ricoh Company, Ltd. Spectrometric measurement apparatus, image evaluation apparatus, and image forming apparatus
US9197761B2 (en) 2013-08-15 2015-11-24 Ricoh Company, Ltd. Spectral characteristic acquisition apparatus, image evaluation apparatus, and image forming apparatus

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