JP2007535864A5 - - Google Patents

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Publication number
JP2007535864A5
JP2007535864A5 JP2007510792A JP2007510792A JP2007535864A5 JP 2007535864 A5 JP2007535864 A5 JP 2007535864A5 JP 2007510792 A JP2007510792 A JP 2007510792A JP 2007510792 A JP2007510792 A JP 2007510792A JP 2007535864 A5 JP2007535864 A5 JP 2007535864A5
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JP
Japan
Prior art keywords
image data
monochromatic
processing
image
halftone screening
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.)
Granted
Application number
JP2007510792A
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English (en)
Japanese (ja)
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JP2007535864A (ja
JP4679575B2 (ja
Filing date
Publication date
Priority claimed from US10/836,762 external-priority patent/US7839537B2/en
Application filed filed Critical
Publication of JP2007535864A publication Critical patent/JP2007535864A/ja
Publication of JP2007535864A5 publication Critical patent/JP2007535864A5/ja
Application granted granted Critical
Publication of JP4679575B2 publication Critical patent/JP4679575B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2007510792A 2004-04-30 2005-04-18 単色画像データを表す複合画像データを生成する装置 Expired - Fee Related JP4679575B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/836,762 US7839537B2 (en) 2004-04-30 2004-04-30 Method and apparatus for multi-color printing using a rosette or diamond halftone screen for one or more of the colors
PCT/US2005/013148 WO2005112430A1 (en) 2004-04-30 2005-04-18 Multi-color printing using a halftone screen

Related Child Applications (2)

Application Number Title Priority Date Filing Date
JP2010114987A Division JP4827980B2 (ja) 2004-04-30 2010-05-19 多色画像を印刷する方法
JP2010114986A Division JP4827979B2 (ja) 2004-04-30 2010-05-19 多色画像を印刷する方法

Publications (3)

Publication Number Publication Date
JP2007535864A JP2007535864A (ja) 2007-12-06
JP2007535864A5 true JP2007535864A5 (enExample) 2008-05-29
JP4679575B2 JP4679575B2 (ja) 2011-04-27

Family

ID=34966216

Family Applications (3)

Application Number Title Priority Date Filing Date
JP2007510792A Expired - Fee Related JP4679575B2 (ja) 2004-04-30 2005-04-18 単色画像データを表す複合画像データを生成する装置
JP2010114986A Expired - Fee Related JP4827979B2 (ja) 2004-04-30 2010-05-19 多色画像を印刷する方法
JP2010114987A Expired - Fee Related JP4827980B2 (ja) 2004-04-30 2010-05-19 多色画像を印刷する方法

Family Applications After (2)

Application Number Title Priority Date Filing Date
JP2010114986A Expired - Fee Related JP4827979B2 (ja) 2004-04-30 2010-05-19 多色画像を印刷する方法
JP2010114987A Expired - Fee Related JP4827980B2 (ja) 2004-04-30 2010-05-19 多色画像を印刷する方法

Country Status (5)

Country Link
US (1) US7839537B2 (enExample)
EP (1) EP1743477B1 (enExample)
JP (3) JP4679575B2 (enExample)
IL (1) IL178358A0 (enExample)
WO (1) WO2005112430A1 (enExample)

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US8085438B2 (en) * 2007-04-23 2011-12-27 Ecole Polytechnique Federale De Lausanne (EPPL) Printing color images visible under UV light on security documents and valuable articles
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US8547614B2 (en) * 2010-11-30 2013-10-01 Xerox Corporation 3-colorant dot-off-dot (DOD) periodic halftone geometry
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US10477068B2 (en) * 2016-03-18 2019-11-12 Ricoh Company, Ltd. Image processing apparatus for primary color and spot halftoning
JP6822154B2 (ja) * 2016-03-18 2021-01-27 株式会社リコー 画像処理装置、画像処理方法、および画像処理プログラム
US11305550B2 (en) 2019-02-27 2022-04-19 Ricoh Company, Ltd. Ink deposition uniformity compensation mechanism
US11216710B1 (en) 2020-08-18 2022-01-04 Ricoh Company, Ltd. Iterative uniformity compensation mechanism
US11758074B2 (en) 2021-03-05 2023-09-12 Ricoh Company, Ltd. Color uniformity compensation mechanism
US11570311B2 (en) 2021-03-05 2023-01-31 Ricoh Company, Ltd. Defective nozzle correction mechanism using missing neighbor threshold lowering function
US11539857B2 (en) 2021-03-05 2022-12-27 Ricoh Company, Ltd. Uniformity compensation mechanism using missing neighbor thresholds
US11368592B1 (en) 2021-03-05 2022-06-21 Ricoh Company, Ltd. Defective nozzle compensation mechanism
US11734536B2 (en) * 2021-03-05 2023-08-22 Ricoh Company, Ltd. Color uniformity compensation mechanism
US11338591B1 (en) 2021-03-05 2022-05-24 Ricoh Company, Ltd. Defective nozzle correction mechanism
US11443152B1 (en) 2021-03-05 2022-09-13 Ricoh Company, Ltd. Secondary color uniformity compensation mechanism
US11632487B1 (en) 2022-03-01 2023-04-18 Ricoh Company, Ltd. Secondary color uniformity compensation mechanism
US11630975B1 (en) 2022-03-01 2023-04-18 Ricoh Company, Ltd. Secondary color uniformity compensation mechanism
US12240252B2 (en) 2023-02-21 2025-03-04 Ricoh Company, Ltd. Automatic tuning compensation mechanism
US11900189B1 (en) 2023-02-21 2024-02-13 Ricoh Company, Ltd. Automatic tuning compensation system that determines optimal compensation target values for each of plurality of tint levels
US11900187B1 (en) 2023-03-02 2024-02-13 Ricoh Company, Ltd. Automatic tuning compensation mechanism
US12240254B2 (en) 2023-03-02 2025-03-04 Ricoh Company, Ltd. Automatic tuning compensation mechanism

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