KR20020008504A - 인쇄기 및 그 감광매체에 형성된 이미지의 농도측정방법 - Google Patents
인쇄기 및 그 감광매체에 형성된 이미지의 농도측정방법 Download PDFInfo
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- KR20020008504A KR20020008504A KR1020000041732A KR20000041732A KR20020008504A KR 20020008504 A KR20020008504 A KR 20020008504A KR 1020000041732 A KR1020000041732 A KR 1020000041732A KR 20000041732 A KR20000041732 A KR 20000041732A KR 20020008504 A KR20020008504 A KR 20020008504A
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- density
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 49
- 230000003287 optical effect Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000001739 density measurement Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/195—Ink jet characterised by ink handling for monitoring ink quality
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
- B41J2/17543—Cartridge presence detection or type identification
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2132—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
- B41J2/32—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads
- B41J2/35—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material using thermal heads providing current or voltage to the thermal head
- B41J2/355—Control circuits for heating-element selection
- B41J2/36—Print density control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Color Electrophotography (AREA)
Abstract
Description
Claims (8)
- 감광매체와, 상기 감광매체에 광을 조사하는 광주사장치와, 상기 감광매체상에 상기 광주사장치에 의해 형성된 정전잠상을 현상물질로 현상하는 현상기와, 인쇄기 전반을 제어하는 콘츄롤러를 구비하는 인쇄기에 있어서,상기 광주사장치와 상기 현상기에 의해 상기 감광매체에 형성된 테스트 이미지로부터 입사된 광을 검출할 수 있도록 설치되며, 수광된 광에 포함된 색성분을 분리하여 출력하는 광검출부와;상기 광검출부에서 출력된 색성분에서 상기 테스트 이미지에 대해 설정된 주색상성분에서 부색상성분을 차감하여 얻은 결과에 대응되는 상기 이미지의 농도값을 참조테이블로부터 구하여 상기 콘츄롤러에 출력하는 농도산출부;를 구비하고,상기 콘츄롤러는 상기 테스트 이미지가 상기 감광매체에 형성되도록 상기 광주사장치와 상기 현상기를 제어하는 것을 특징으로 하는 인쇄기.
- 제1항에 있어서, 상기 테스트 이미지를 마젠타 색상으로 현상할 때에 대해서 상기 주색상성분은 마젠타색상의 성분이고, 상기 부색상성분은 시안색상의 성분인 것을 특징으로 하는 인쇄기.
- 제1항에 있어서, 상기 테스트 이미지를 옐로우 색상으로 현상할 때에 대해서 상기 주색상성분은 옐로우색상의 성분이고, 상기 부색상성분은 시안색상의 성분인것을 특징으로 하는 인쇄기.
- 제1항에 있어서, 상기 테스트 이미지를 블랙 색상으로 현상할 때에 대해서 상기 주색상성분은 옐로우색상의 성분이고, 상기 부색상성분은 시안색상의 성분인 것을 특징으로 하는 인쇄기.
- 감광매체와, 상기 감광매체에 광을 조사하는 광주사장치와, 상기 감광매체상에 상기 광주사장치에 의해 형성된 정전잠상을 현상물질로 현상하는 현상기와, 상기 감광매체에 형성된 이미지로부터 입사된 광을 검출할 수 있도록 설치되며 수광된 광에 포함된 색성분을 분리하여 출력하는 광검출부와, 상기 광검출부에서 출력된 색성분으로부터 상기 이미지의 농도값을 산출하는 농도산출부를 구비하는 인쇄기의 상기 감광매체에 형성된 이미지의 농도를 측정하는 방법에 있어서,가. 상기 감광매체에 측정하고자 하는 색상의 테스트 이미지를 형성시키는 단계와;나. 상기 감광매체에 형성된 테스트 이미지로부터 입사된 광을 검출하는 단계와;다. 상기 나단계에서 검출된 광에 포함된 색성분중 설정된 주색상 성분의 농도와 설정된 부색상의 농도를 산출하는 단계와;라. 상기 다 단계에서 산출된 주색상의 성분에서 상기 부색상성분을 차감하여 얻은 결과로부터 상기 테스트 이미지에 대한 농도를 산출하는 단계;를 포함하는것을 특징으로 하는 인쇄기의 감광매체에 형성된 이미지의 농도측정방법.
- 제5항에 있어서, 상기 테스트 이미지를 마젠타 색상으로 현상할 때에 대해서 상기 주색상성분은 마젠타색상의 성분이고, 상기 부색상성분은 시안색상의 성분인 것을 특징으로 하는 인쇄기.
- 제5항에 있어서, 상기 테스트 이미지를 옐로우 색상으로 현상할 때에 대해서 상기 주색상성분은 옐로우색상의 성분이고, 상기 부색상성분은 시안색상의 성분인 것을 특징으로 하는 인쇄기.
- 제5항에 있어서, 상기 테스트 이미지를 블랙 색상으로 현상할 때에 대해서 상기 주색상성분은 옐로우색상의 성분이고, 상기 부색상성분은 시안색상의 성분인 것을 특징으로 하는 인쇄기.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2000-0041732A KR100420997B1 (ko) | 2000-07-20 | 2000-07-20 | 인쇄기 및 그 감광매체에 형성된 이미지의 농도측정방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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KR10-2000-0041732A KR100420997B1 (ko) | 2000-07-20 | 2000-07-20 | 인쇄기 및 그 감광매체에 형성된 이미지의 농도측정방법 |
Publications (2)
Publication Number | Publication Date |
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KR20020008504A true KR20020008504A (ko) | 2002-01-31 |
KR100420997B1 KR100420997B1 (ko) | 2004-03-04 |
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KR10-2000-0041732A KR100420997B1 (ko) | 2000-07-20 | 2000-07-20 | 인쇄기 및 그 감광매체에 형성된 이미지의 농도측정방법 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7522280B2 (en) | 2006-12-06 | 2009-04-21 | Emerging Memory & Logic Solution, Inc. | Apparatus and method for equalizing illumination of light sources for digital image test member, and apparatus and method for testing color of digital image using the same |
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2000
- 2000-07-20 KR KR10-2000-0041732A patent/KR100420997B1/ko not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7522280B2 (en) | 2006-12-06 | 2009-04-21 | Emerging Memory & Logic Solution, Inc. | Apparatus and method for equalizing illumination of light sources for digital image test member, and apparatus and method for testing color of digital image using the same |
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