JP4907849B2 - インク滴吐出方法及びその装置 - Google Patents
インク滴吐出方法及びその装置 Download PDFInfo
- Publication number
- JP4907849B2 JP4907849B2 JP2004094631A JP2004094631A JP4907849B2 JP 4907849 B2 JP4907849 B2 JP 4907849B2 JP 2004094631 A JP2004094631 A JP 2004094631A JP 2004094631 A JP2004094631 A JP 2004094631A JP 4907849 B2 JP4907849 B2 JP 4907849B2
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- Prior art keywords
- ejection
- waveform
- ink
- drive pulse
- dot information
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- B41J2/04593—Dot-size modulation by changing the size of the drop
-
- 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
- B41J2/04573—Timing; Delays
-
- 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
- B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on 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
- B41J2/015—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
- B41J2/04588—Control methods or devices therefor, e.g. driver circuits, control circuits using a specific waveform
-
- 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
- B41J2/14209—Structure of print heads with piezoelectric elements of finger type, chamber walls consisting integrally of piezoelectric material
-
- 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
-
- 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
- B41J2/14209—Structure of print heads with piezoelectric elements of finger type, chamber walls consisting integrally of piezoelectric material
- B41J2002/14217—Multi layer finger type piezoelectric element
-
- 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
- B41J2/14209—Structure of print heads with piezoelectric elements of finger type, chamber walls consisting integrally of piezoelectric material
- B41J2002/14225—Finger type piezoelectric element on only one side of the chamber
-
- 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
- B41J2002/14306—Flow passage between manifold and chamber
-
- 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
- B41J2002/14419—Manifold
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet (AREA)
Description
以上
次に、今回のドット情報が中玉であるか否かを判別する(S5)。中玉であるときには(S5:yes )、指定信号「2」つまり波形2を選択して出力する(S6)。ステップS5で今回のドット情報が中玉でないと判断されると(S5:no)、次に今回のドット情報が小玉であるか否かを判別する(S7)。そして、このステップS7で、今回のドット情報が小玉であると判断されると(S7:yes )、指定信号「1」つまり波形1を選択して出力する(S8)。前記ステップS7で、今回のドット情報が小玉でないと判断されると(S7:no)、今回のドット情報が無し(不吐出)である(S9)。
23 圧力室
24 ノズル
61 制御装置に相当するヘッドドライバ
62 シフトレジスタ
63 マルチプレクサ
65 ドライバ
67 指定信号選択回路
68 波形発生回路
Claims (6)
- 被記録媒体に対してインク滴を吐出するノズルとそのノズル毎に対応する圧力室と、インクが充填された前記圧力室毎の容積を変化させるためのアクチュエータと、被記録媒体との相対移動方向に沿って順次形成すべきドット情報に基づいて、前記圧力室の容積を変化させてインク滴を前記ノズルから吐出させるべく、所定の吐出周期において前記アクチュエータに対して選択された駆動パルス信号を出力する制御装置とを備えたインク滴吐出装置において、前記制御装置は、各吐出周期内に納まる複数種類の駆動パルス信号を発生させるためのパルス波形発生手段と、隣接する2つの吐出周期のドット情報に基づいて前記複数種類の駆動パルス信号のうちから、各吐出周期ごとに1種類の駆動パルス信号を選択する信号波形選択手段と、選択された駆動パルス信号を出力する出力手段とを備え、
前記信号波形選択手段は、隣接する2つの吐出周期のうち今回の吐出周期におけるドット情報が、インク滴の吐出液滴量が最も多いものであって、次回の吐出周期におけるドット情報がインク不吐出である第1の場合には、今回の吐出周期におけるドット情報がインク滴の吐出液滴量の最も多いものであって、次回の吐出周期におけるドット情報がインク吐出である第2の場合と、少なくとも、前記今回のための駆動パルス信号が異なるように前記今回及び次回のための駆動パルス信号を不吐出に対応する駆動パルス信号を除く前記複数の駆動パルス信号の内から2種類選択し、
前記出力手段では、前記第1の場合における選択された駆動パルス信号は、前記今回及び次回の吐出周期内に出力される前記2種類の駆動パルス信号を組み合わせて波形が作られ、且つ前記今回及び次回の吐出周期内にそれぞれ駆動パルス信号を出力することを特徴とするインク滴吐出装置。 - 前記選択された2種類の駆動パルス信号を前記今回及び次回の吐出周期にわたって連続状に出力することを特徴とする請求項1に記載のインク滴吐出装置。
- 前記第1の場合に前記今回のために選択された駆動パルス信号は、前記第2の場合に前記今回のために選択される駆動パルス信号よりも吐出パルスの数が少ないように設定され、前記第1の場合に前記次回のために選択された駆動パルス信号は、前記吐出パルスを含むことを特徴とする請求項1または2に記載のインク滴吐出装置。
- 前記第1の場合において、前記次回の吐出周期における選択された駆動パルス信号は、インク滴の吐出液滴量が少ないドット情報に対応する駆動パルス信号と同じものであることを特徴とする請求項1乃至3のいずれかに記載のインク滴吐出装置。
- 前記第1の場合において、前記次回の吐出周期に選択された駆動パルス信号は、前記圧力室に対する圧力変動を低減させるキャンセルパルスを含むことを特徴とする請求項1乃至4のいずれかに記載のインク滴吐出装置。
- 前記駆動パルス信号における各パルスのパルス幅を変えることにより、吐出される液滴量を変えることを特徴とする請求項1乃至5のいずれかに記載のインク滴吐出装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004094631A JP4907849B2 (ja) | 2004-03-29 | 2004-03-29 | インク滴吐出方法及びその装置 |
US11/087,121 US20050212840A1 (en) | 2004-03-29 | 2005-03-22 | Ink ejection method and inkjet ejection device |
US12/148,811 US7621609B2 (en) | 2004-03-29 | 2008-04-23 | Ink ejection method and inkjet ejection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004094631A JP4907849B2 (ja) | 2004-03-29 | 2004-03-29 | インク滴吐出方法及びその装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005279998A JP2005279998A (ja) | 2005-10-13 |
JP4907849B2 true JP4907849B2 (ja) | 2012-04-04 |
Family
ID=34989254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004094631A Expired - Fee Related JP4907849B2 (ja) | 2004-03-29 | 2004-03-29 | インク滴吐出方法及びその装置 |
Country Status (2)
Country | Link |
---|---|
US (2) | US20050212840A1 (ja) |
JP (1) | JP4907849B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8186790B2 (en) * | 2008-03-14 | 2012-05-29 | Purdue Research Foundation | Method for producing ultra-small drops |
US8317284B2 (en) * | 2008-05-23 | 2012-11-27 | Fujifilm Dimatix, Inc. | Method and apparatus to provide variable drop size ejection by dampening pressure inside a pumping chamber |
WO2013165384A1 (en) * | 2012-04-30 | 2013-11-07 | Hewlett-Packard Development Company, L.P. | Selecting pulse to drive piezoelectric actuator |
US8926041B2 (en) * | 2013-01-28 | 2015-01-06 | Fujifilm Dimatix, Inc. | Ink jetting |
JP6425987B2 (ja) * | 2014-12-11 | 2018-11-21 | 株式会社東芝 | インクジェットヘッド、及び、印刷装置 |
JP6755510B2 (ja) * | 2015-11-30 | 2020-09-16 | ブラザー工業株式会社 | 画像処理装置、および、コンピュータプログラム |
GB2551821B (en) | 2016-06-30 | 2019-11-27 | Xaar Technology Ltd | Droplet deposition apparatus |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3695150B2 (ja) | 1997-07-08 | 2005-09-14 | セイコーエプソン株式会社 | インクジェット記録装置及びその駆動波形制御方法 |
JP2000158643A (ja) * | 1998-09-25 | 2000-06-13 | Brother Ind Ltd | 記録装置 |
JP3777991B2 (ja) * | 2001-02-14 | 2006-05-24 | ブラザー工業株式会社 | インク噴射装置の駆動装置 |
JP4578671B2 (ja) | 2000-11-22 | 2010-11-10 | ブラザー工業株式会社 | インクジェットヘッドの駆動装置 |
US6663208B2 (en) * | 2000-11-22 | 2003-12-16 | Brother Kogyo Kabushiki Kaisha | Controller for inkjet apparatus |
US6685293B2 (en) * | 2001-05-02 | 2004-02-03 | Seiko Epson Corporation | Liquid jetting apparatus and method of driving the same |
-
2004
- 2004-03-29 JP JP2004094631A patent/JP4907849B2/ja not_active Expired - Fee Related
-
2005
- 2005-03-22 US US11/087,121 patent/US20050212840A1/en not_active Abandoned
-
2008
- 2008-04-23 US US12/148,811 patent/US7621609B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2005279998A (ja) | 2005-10-13 |
US7621609B2 (en) | 2009-11-24 |
US20050212840A1 (en) | 2005-09-29 |
US20080198192A1 (en) | 2008-08-21 |
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