JP7205253B2 - 液体吐出ヘッド、及びそれを備えた液体吐出装置 - Google Patents
液体吐出ヘッド、及びそれを備えた液体吐出装置 Download PDFInfo
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- 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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- 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
- B41J2/04541—Specific driving circuit
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0021—Tracking a path or terminating locations
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B37/00—Solid balls; Rigid hollow balls; Marbles
- A63B37/0003—Golf balls
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B43/00—Balls with special arrangements
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
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- 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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- 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
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2/14233—Structure of print heads with piezoelectric elements of film type, deformed by bending and disposed on a diaphragm
-
- 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
- B41J2/1433—Structure of nozzle plates
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0021—Tracking a path or terminating locations
- A63B2024/0028—Tracking the path of an object, e.g. a ball inside a soccer pitch
- A63B2024/0034—Tracking the path of an object, e.g. a ball inside a soccer pitch during flight
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B71/0622—Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
- A63B2071/0625—Emitting sound, noise or music
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B2071/0694—Visual indication, e.g. Indicia
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/30—Speed
- A63B2220/34—Angular speed
- A63B2220/35—Spin
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/40—Acceleration
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2220/00—Measuring of physical parameters relating to sporting activity
- A63B2220/80—Special sensors, transducers or devices therefor
- A63B2220/83—Special sensors, transducers or devices therefor characterised by the position of the sensor
- A63B2220/833—Sensors arranged on the exercise apparatus or sports implement
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
- A63B2225/50—Wireless data transmission, e.g. by radio transmitters or telemetry
- A63B2225/52—Wireless data transmission, e.g. by radio transmitters or telemetry modulated by measured values
-
- 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
- B41J2002/14338—Multiple pressure elements per ink 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
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/12—Embodiments of or processes related to ink-jet heads with ink circulating through the whole print head
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- Physical Education & Sports Medicine (AREA)
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- Ink Jet (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Description
以下、本発明の好適な第1実施形態について説明する。
次に、第2実施形態について説明する。第2実施形態では、主に、ヘッドにおける、上流側圧力室及び下流側圧力室の形状が互いに異なる点で、第1実施形態と異なっている。以下、第1実施形態と同様の構成を有するものについては、同じ符号を付して適宜その説明を省略する。
次に、第3実施形態について説明する。第3実施形態では、主に、ヘッドにおける、上流側絞り流路と、上流側圧力室との接続位置、第1実施形態と異なっている。以下、第1実施形態と同様の構成を有するものについては、同じ符号を付して適宜その説明を省略する。
1d ドライバIC
5 制御装置
21 ノズル
23a,223a 上流側圧力室
23b,223b 下流側圧力室
24a 上流側ディセンダ流路
24b 下流側ディセンダ流路
25a,325a 上流側絞り流路
25b 下流側絞り流路
31,32 回収流路
33 供給流路
Claims (11)
- 複数の個別流路と、
前記複数の個別流路の入口に接続され、前記複数の個別流路に液体を供給する供給流路と、
前記複数の個別流路の出口に接続され、前記複数の個別流路から液体を回収する回収流路と、
を備え、
前記複数の個別流路それぞれは、
ノズルと、
前記ノズルと前記供給流路との間に配置された上流側圧力室と、
前記ノズルと前記回収流路との間に配置された下流側圧力室と、
前記供給流路と前記上流側圧力室とを接続する上流側絞り流路と、
前記回収流路と前記下流側圧力室とを接続する下流側絞り流路と、
を有しており、
前記上流側圧力室内の液体に圧力を付与する上流側アクチュエータと、
前記下流側圧力室内の液体に圧力を付与する下流側アクチュエータと、
をさらに備え、
前記下流側絞り流路の流路抵抗が、前記上流側絞り流路の流路抵抗よりも小さく、且つ、
前記上流側圧力室と、前記下流側圧力室とは互いに同じ容積であることを特徴とする液体吐出ヘッド。 - 前記上流側圧力室と、前記下流側圧力室とは互いに同じ形状であることを特徴とする請求項1に記載の液体吐出ヘッド。
- 前記複数の個別流路それぞれは、
前記上流側圧力室と前記ノズルとを接続する上流側接続流路と、
前記下流側圧力室と前記ノズルとを接続する下流側接続流路と
をさらに有しており、
前記上流側圧力室における、前記上流側接続流路との接続位置と、前記上流側絞り流路との接続位置との間の流路の長さは、前記下流側圧力室における、前記下流側接続流路との接続位置と、前記下流側絞り流路との接続位置との間の流路の長さよりも短いことを特徴とする請求項1又は2に記載の液体吐出ヘッド。 - 複数の個別流路と、
前記複数の個別流路の入口に接続され、前記複数の個別流路に液体を供給する供給流路と、
前記複数の個別流路の出口に接続され、前記複数の個別流路から液体を回収する回収流路と、
を備え、
前記複数の個別流路それぞれは、
ノズルと、
前記ノズルと前記供給流路との間に配置された上流側圧力室と、
前記ノズルと前記回収流路との間に配置された下流側圧力室と、
前記供給流路と前記上流側圧力室とを接続する上流側絞り流路と、
前記回収流路と前記下流側圧力室とを接続する下流側絞り流路と、
を有しており、
前記上流側圧力室内の液体に圧力を付与する上流側アクチュエータと、
前記下流側圧力室内の液体に圧力を付与する下流側アクチュエータと、
をさらに備え、
前記下流側絞り流路の流路抵抗が、前記上流側絞り流路の流路抵抗よりも小さく、且つ、
前記上流側圧力室の流路抵抗が、前記下流側圧力室の流路抵抗よりも小さいことを特徴とする液体吐出ヘッド。 - 前記上流側圧力室は、前記下流側圧力室よりも容積が小さいことを特徴とする請求項4に記載の液体吐出ヘッド。
- 前記下流側絞り流路の流路抵抗が、前記上流側絞り流路の流路抵抗の60%以上90%以下であることを特徴とする請求項1~5のいずれか一項に記載の液体吐出ヘッド。
- 前記下流側絞り流路は、前記上流側絞り流路と比べて流路の長さが短いことを特徴とする請求項1~6のいずれか一項に記載の液体吐出ヘッド。
- 前記上流側アクチュエータ及び前記下流側アクチュエータを駆動する駆動装置をさらに備え、
前記駆動装置における、前記上流側アクチュエータを駆動する駆動電圧と、前記下流側アクチュエータを駆動する駆動電圧とは互いに同じであることを特徴とする請求項1~7のいずれか一項に記載の液体吐出ヘッド。 - 請求項1又は2に記載の液体吐出ヘッドと、
前記液体吐出ヘッドを制御する制御装置と
を備え、
前記液体吐出ヘッドは、
前記上流側アクチュエータ及び前記下流側アクチュエータを駆動する駆動装置をさらに備え、
前記制御装置は、
前記ノズルから液体を吐出させる際には、前記上流側アクチュエータの駆動タイミングと、前記下流側アクチュエータの駆動タイミングとが異なるように前記駆動装置を制御することを特徴とする液体吐出装置。 - 前記制御装置は、
前記ノズルから液体を吐出させる際には、前記下流側アクチュエータの駆動タイミングが、前記上流側アクチュエータの駆動タイミングよりも遅れるように前記駆動装置を制御することを特徴とする請求項9に記載の液体吐出装置。 - 請求項3~5のいずれか一項に記載の液体吐出ヘッドと、
前記液体吐出ヘッドを制御する制御装置と
を備え、
前記液体吐出ヘッドは、
前記上流側アクチュエータ及び前記下流側アクチュエータを駆動する駆動装置をさらに備え、
前記制御装置は、
前記ノズルから液体を吐出させる際には、前記上流側アクチュエータの駆動タイミングと、前記下流側アクチュエータの駆動タイミングとが互いに同じとなるように前記駆動装置を制御することを特徴とする液体吐出装置。
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US16/712,518 US10874913B2 (en) | 2019-01-28 | 2019-12-12 | Liquid discharge head and liquid discharge apparatus provided with the same |
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Citations (3)
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JP2018103418A (ja) | 2016-12-26 | 2018-07-05 | セイコーエプソン株式会社 | 液体噴射ヘッド、液体噴射装置、液体循環方法及び液体吐出方法 |
JP2018114675A (ja) | 2017-01-18 | 2018-07-26 | 富士ゼロックス株式会社 | 液滴吐出ヘッド、液滴吐出装置 |
JP2018114713A (ja) | 2017-01-20 | 2018-07-26 | 富士ゼロックス株式会社 | 液滴吐出ヘッド、液滴吐出装置 |
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JP2014061695A (ja) * | 2012-09-20 | 2014-04-10 | Samsung Electro-Mechanics Co Ltd | インクジェットプリントヘッド |
US10259219B2 (en) | 2017-01-13 | 2019-04-16 | Fuji Xerox Co., Ltd. | Liquid droplet ejection head and liquid droplet ejection apparatus |
JP7167697B2 (ja) * | 2018-12-21 | 2022-11-09 | セイコーエプソン株式会社 | 液体噴射ヘッド及び液体噴射装置 |
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JP2018103418A (ja) | 2016-12-26 | 2018-07-05 | セイコーエプソン株式会社 | 液体噴射ヘッド、液体噴射装置、液体循環方法及び液体吐出方法 |
JP2018114675A (ja) | 2017-01-18 | 2018-07-26 | 富士ゼロックス株式会社 | 液滴吐出ヘッド、液滴吐出装置 |
JP2018114713A (ja) | 2017-01-20 | 2018-07-26 | 富士ゼロックス株式会社 | 液滴吐出ヘッド、液滴吐出装置 |
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