JP5760918B2 - 液体吐出装置 - Google Patents
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- JP5760918B2 JP5760918B2 JP2011217387A JP2011217387A JP5760918B2 JP 5760918 B2 JP5760918 B2 JP 5760918B2 JP 2011217387 A JP2011217387 A JP 2011217387A JP 2011217387 A JP2011217387 A JP 2011217387A JP 5760918 B2 JP5760918 B2 JP 5760918B2
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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
- B41J2/0454—Control methods or devices therefor, e.g. driver circuits, control circuits involving calculation of temperature
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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
- B41J2/04553—Control methods or devices therefor, e.g. driver circuits, control circuits detecting ambient temperature
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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
- B41J2/04573—Timing; Delays
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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
- B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on piezoelectric elements
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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
- B41J2/04588—Control methods or devices therefor, e.g. driver circuits, control circuits using a specific waveform
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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
- B41J2/0459—Height of the driving signal being adjusted
-
- 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
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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
- B41J2/135—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
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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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2002/14459—Matrix arrangement of the pressure chambers
-
- 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
- B41J2002/14491—Electrical connection
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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
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/20—Modules
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet (AREA)
Description
2 インクジェットヘッド(ヘッド)
16 圧力室
100 制御部
111 駆動信号生成部
113 基準電圧記憶部
120 アクチュエータユニット
121,122 圧電層
123 個別電極
124 共通電極
132 ドライバIC
140 温度センサ
151 電圧値更新部
152 累積時間算出部
153 更新間隔設定部
154 温度統計値算出部
Claims (7)
- 液体を吐出する吐出口と、前記吐出口に液体を供給する供給流路とを有する流路ユニットと、
第1電極と、圧電層と、前記第1電極との間に前記圧電層を挟む第2電極とを有し、前記第1電極及び第2電極間に駆動信号が印加されると、前記圧電層が変形して前記供給流路内の液体にエネルギーを付与する圧電アクチュエータと、
基準電圧値に応じた電圧値を有する駆動信号を生成する駆動信号生成手段と、
前記駆動信号生成手段が生成した駆動信号を前記第1電極及び第2電極間に印加する駆動手段と、
前記基準電圧値を更新する電圧値更新手段と、
前記電圧値更新手段が前記基準電圧値を更新する時間間隔を設定する間隔設定手段とを備えており、
前記電圧値更新手段は、前記基準電圧値を前回更新した時点からの前記第1電極及び第2電極間に電圧が印加された累積時間が、前記間隔設定手段が設定した前記時間間隔に達した場合に、前記基準電圧値を大きい値に更新し、
前記間隔設定手段は、前記電圧値更新手段が前記基準電圧値を更新した場合に、当該更新された基準電圧値に基づいて前記時間間隔を小さい間隔に変更することを特徴とする液体吐出装置。 - 温度を検出する温度検出手段をさらに備えており、
前記駆動信号生成手段が、補正された前記基準電圧値に応じた前記電圧値であって、前記温度検出手段が検出した温度が低いほど大きい前記電圧値を有する前記駆動信号を生成し、
前記間隔設定手段は、前記基準電圧値を前回更新した時点からの温度の時間に関する平均値と温度の最高値及び温度の最低値の中央値とのいずれかに基づいて、補正された前記基準電圧値に対応した前記時間間隔を設定し、前記累積時間が当該設定された時間間隔に達した場合に、前記電圧値更新手段が前記基準電圧値を大きい値に更新すると共に、前記間隔設定手段が当該更新された基準電圧値に基づいて前記時間間隔を小さい間隔に変更することを特徴とする請求項1に記載の液体吐出装置。 - 前記電圧値更新手段が前記基準電圧値を更新する際の前記基準電圧値の変化幅が一定であることを特徴とする請求項1又は2に記載の液体吐出装置。
- 前記変化幅が、前記電圧値更新手段が更新可能な最小限の大きさであることを特徴とする請求項3に記載の液体吐出装置。
- 前記変化幅が、前記電圧値更新手段が更新可能な最小限の大きさより大きいことを特徴とする請求項3に記載の液体吐出装置。
- 先の更新直後の前記基準電圧値に対応した前記圧電層の変形量は、これに続いて更新された直後の前記基準電圧値に対応した前記変形量とほぼ同じであると共に、更新直前の前記基準電圧値に対応した前記変形量と更新直後の前記基準電圧値に対応した前記変形量との差は、前記基準電圧値の更新ごとにほぼ同じであることを特徴とする請求項1又は2に記載の液体吐出装置。
- 前記駆動手段が、
前記吐出口から液体を吐出させてから次に液体を吐出させるまでの期間には、前記第1電極及び第2電極間の電圧を一定の電圧値に保持し、前記吐出口から液体を吐出させる際には、前記駆動信号の印加により、前記第1電極及び第2電極間の電圧を一旦ゼロとした後に前記一定の電圧値に戻すことを特徴とする請求項1〜6のいずれか1項に記載の液体吐出装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011217387A JP5760918B2 (ja) | 2011-09-30 | 2011-09-30 | 液体吐出装置 |
US13/596,948 US8662617B2 (en) | 2011-09-30 | 2012-08-28 | Liquid ejection apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011217387A JP5760918B2 (ja) | 2011-09-30 | 2011-09-30 | 液体吐出装置 |
Publications (2)
Publication Number | Publication Date |
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JP2013075458A JP2013075458A (ja) | 2013-04-25 |
JP5760918B2 true JP5760918B2 (ja) | 2015-08-12 |
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Application Number | Title | Priority Date | Filing Date |
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JP2011217387A Active JP5760918B2 (ja) | 2011-09-30 | 2011-09-30 | 液体吐出装置 |
Country Status (2)
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US (1) | US8662617B2 (ja) |
JP (1) | JP5760918B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10105951B2 (en) | 2016-02-05 | 2018-10-23 | Ricoh Company, Ltd. | Liquid discharge apparatus, head drive control device, recording medium, and actuator drive control device |
JP7350177B2 (ja) * | 2020-06-12 | 2023-09-25 | 富士フイルム株式会社 | ヘッド装置、インクジェット印刷装置及び駆動電圧調整方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3237685B2 (ja) * | 1992-11-05 | 2001-12-10 | セイコーエプソン株式会社 | インクジェット式記録装置 |
JP3223892B2 (ja) * | 1998-11-25 | 2001-10-29 | 日本電気株式会社 | インクジェット式記録装置及びインクジェット式記録方法 |
JP2001138498A (ja) * | 1999-11-10 | 2001-05-22 | Seiko Epson Corp | インクジェット記録装置のヘッド駆動方法、インクジェット記録装置、および記録媒体 |
JP2007076181A (ja) * | 2005-09-14 | 2007-03-29 | Fuji Xerox Co Ltd | 液滴吐出装置 |
JP2008207353A (ja) * | 2007-02-23 | 2008-09-11 | Sii Printek Inc | インクジェット記録装置、インクジェットヘッドの駆動方法及びインクジェットヘッド駆動プログラム |
JP2009066948A (ja) * | 2007-09-14 | 2009-04-02 | Seiko Epson Corp | 液体噴射装置 |
JP2009184291A (ja) * | 2008-02-08 | 2009-08-20 | Sii Printek Inc | インクジェットヘッド、インクジェット記録装置、およびインクジェットヘッドの制御方法 |
JP5003775B2 (ja) * | 2010-02-19 | 2012-08-15 | ブラザー工業株式会社 | 液滴吐出装置 |
-
2011
- 2011-09-30 JP JP2011217387A patent/JP5760918B2/ja active Active
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2012
- 2012-08-28 US US13/596,948 patent/US8662617B2/en active Active
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Publication number | Publication date |
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JP2013075458A (ja) | 2013-04-25 |
US20130083109A1 (en) | 2013-04-04 |
US8662617B2 (en) | 2014-03-04 |
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