JP2021059021A - インクジェット記録装置 - Google Patents
インクジェット記録装置 Download PDFInfo
- Publication number
- JP2021059021A JP2021059021A JP2019182748A JP2019182748A JP2021059021A JP 2021059021 A JP2021059021 A JP 2021059021A JP 2019182748 A JP2019182748 A JP 2019182748A JP 2019182748 A JP2019182748 A JP 2019182748A JP 2021059021 A JP2021059021 A JP 2021059021A
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- JP
- Japan
- Prior art keywords
- droplet
- droplets
- inkjet recording
- pixel
- paper
- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 23
- 239000007788 liquid Substances 0.000 abstract 12
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 13
- 230000015654 memory Effects 0.000 description 10
- 239000003086 colorant Substances 0.000 description 9
- 230000006866 deterioration Effects 0.000 description 6
- 238000006467 substitution reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Images
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
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04516—Control methods or devices therefor, e.g. driver circuits, control circuits preventing formation of satellite drops
-
- 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
- B41J2/2146—Print quality control characterised by dot disposition, e.g. for reducing white stripes or banding for line print heads
-
- 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
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04586—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads of a type not covered by groups B41J2/04575 - B41J2/04585, or of an undefined type
-
- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
-
- 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
- B41J2/2121—Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter
- B41J2/2128—Ink jet for multi-colour printing characterised by dot size, e.g. combinations of printed dots of different diameter by means of energy modulation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
- G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
- G06K15/10—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers
- G06K15/102—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by matrix printers using ink jet print heads
- G06K15/105—Multipass or interlaced printing
- G06K15/107—Mask selection
-
- 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
- H04N1/40—Picture signal circuits
- H04N1/409—Edge or detail enhancement; Noise or error suppression
- H04N1/4092—Edge or detail enhancement
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Ink Jet (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
Description
Claims (4)
- 第1液滴と、前記第1液滴に比べて液滴が大きい第2液滴とを含む液滴を吐出できるように構成されたノズルと、
前記ノズルと用紙を相対移動させる移動機構と、
前記移動機構によって相対移動する用紙に、前記ノズルから前記液滴を吐出することで形成されるドット画像に対応する、液滴の吐出データを生成するプロセッサと、を備え、
前記プロセッサは、
前記吐出データの元となる元吐出データにおいて、前記第2液滴が配置された画素である注目画素の後方に、前記液滴が吐出されない画素がn個(但しnは2以上)続く場合には、前記注目画素の前記第2液滴を前記第1液滴に置き換えて前記吐出データを生成する、
ことを特徴とするインクジェット記録装置。 - 請求項1に記載のインクジェット記録装置において、
前記プロセッサは、
前記元吐出データにおいて、前記注目画素の後方を除く7つの隣接画素に配置された液滴の合計数が、予め定められた数よりも多い場合には、前記注目画素の前記置き換えを行わない、
ことを特徴とするインクジェット記録装置。 - 請求項1に記載のインクジェット記録装置において、
前記相対移動の速度が速くなるほど、前記nを大きくする、
ことを特徴とするインクジェット記録装置。 - 請求項1に記載のインクジェット記録装置において、
前記プロセッサは、
第1ハーフトーン処理により前記元吐出データを生成した場合には、前記nを第1所定値にし、
前記第1ハーフトーン処理に比べて、前後方向に連続して液滴が多く並ぶ前記元吐出データが得られる第2ハーフトーン処理により前記元吐出データを生成した場合には、前記nを前記第1所定値よりも大きい第2所定値にして、前記吐出データを生成する、
ことを特徴とするインクジェット記録装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019182748A JP7380040B2 (ja) | 2019-10-03 | 2019-10-03 | インクジェット記録装置 |
US16/888,968 US11077656B2 (en) | 2019-10-03 | 2020-06-01 | Inkjet recording apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019182748A JP7380040B2 (ja) | 2019-10-03 | 2019-10-03 | インクジェット記録装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021059021A true JP2021059021A (ja) | 2021-04-15 |
JP7380040B2 JP7380040B2 (ja) | 2023-11-15 |
Family
ID=75273848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019182748A Active JP7380040B2 (ja) | 2019-10-03 | 2019-10-03 | インクジェット記録装置 |
Country Status (2)
Country | Link |
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US (1) | US11077656B2 (ja) |
JP (1) | JP7380040B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230398778A1 (en) * | 2022-06-09 | 2023-12-14 | Xerox Corporation | System and method for varying ejected ink drop volumes to improve ink image quality in an inkjet printer |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6460960B1 (en) * | 1999-10-29 | 2002-10-08 | Citizen Watch Co., Ltd. | Method for driving ink jet head |
JP2011194666A (ja) * | 2010-03-18 | 2011-10-06 | Ricoh Co Ltd | 記録装置、制御方法及びプログラム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4963882B1 (en) * | 1988-12-27 | 1996-10-29 | Hewlett Packard Co | Printing of pixel locations by an ink jet printer using multiple nozzles for each pixel or pixel row |
JP5152920B2 (ja) * | 2008-12-26 | 2013-02-27 | 富士フイルム株式会社 | 画像形成装置及び遠隔監視システム |
JP5656816B2 (ja) | 2011-12-22 | 2015-01-21 | 京セラドキュメントソリューションズ株式会社 | インクジェット記録装置 |
JP5775510B2 (ja) * | 2012-12-27 | 2015-09-09 | 富士フイルム株式会社 | ヘッドモジュールの調整方法、インクジェットヘッドの製造方法 |
JP6596933B2 (ja) | 2015-05-29 | 2019-10-30 | ブラザー工業株式会社 | 液体吐出装置 |
-
2019
- 2019-10-03 JP JP2019182748A patent/JP7380040B2/ja active Active
-
2020
- 2020-06-01 US US16/888,968 patent/US11077656B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6460960B1 (en) * | 1999-10-29 | 2002-10-08 | Citizen Watch Co., Ltd. | Method for driving ink jet head |
JP2011194666A (ja) * | 2010-03-18 | 2011-10-06 | Ricoh Co Ltd | 記録装置、制御方法及びプログラム |
Also Published As
Publication number | Publication date |
---|---|
US11077656B2 (en) | 2021-08-03 |
JP7380040B2 (ja) | 2023-11-15 |
US20210101385A1 (en) | 2021-04-08 |
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