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1. 发明授权

US06824083B2 Fluid jetting device, fluid jetting head, and fluid jetting apparatus 失效
标题翻译：流体喷射装置，流体喷射头和流体喷射装置
公开(公告)号：US06824083B2
公开(公告)日：2004-11-30
申请号：US10166045
申请日：2002-06-11
申请人： Masakazu Okuda , Kazuhiko Hayashi , Torahiko Kanda , Yoshihiro Hagiwara , Fuminori Takizawa
发明人： Masakazu Okuda , Kazuhiko Hayashi , Torahiko Kanda , Yoshihiro Hagiwara , Fuminori Takizawa
IPC分类号： B05B114
CPC分类号： B41J2/1642 , B41J2/14233 , B41J2/161 , B41J2/1623 , B41J2/1626 , B41J2/1631 , B41J2/1632 , B41J2002/14419 , B41J2002/14459 , B41J2202/11
摘要： A fluid jetting device is comprised of: a plurality of chambers arranged in a matrix form; nozzles formed in the plural chambers, respectively; a fluid pressure applying portion arranged on at least one planes of the plural chambers; a plurality of fluid pool sub-streams for supplying fluids to the plural chambers; a fluid pool main stream connected to one edges of the plural fluid pool sub-streams; and a fluid supplying portion for supplying a predetermined fluid to the fluid pool main stream. The fluid supplying portion is connected to a portion of the fluid pool main stream in the vicinity of this fluid pool main stream along a longitudinal direction thereof.
摘要翻译：流体喷射装置包括：以矩阵形式布置的多个腔室; 分别形成在多个室中的喷嘴; 设置在所述多个室的至少一个平面上的流体压力施加部; 用于向多个室供应流体的多个流体池子流; 连接到所述多个流体池子流的一个边缘的流体池主流; 以及用于将预定流体供应到流体池主流的流体供应部分。流体供给部分沿着其流体池主流的纵向连接到该流体池主流附近的流体池主流的一部分。

2. 发明授权

US06450615B2 Ink jet printing apparatus and method using a pressure generating device to induce surface waves in an ink meniscus 失效
标题翻译：喷墨打印装置和使用压力产生装置在油墨弯液面中诱发表面波的方法
公开(公告)号：US06450615B2
公开(公告)日：2002-09-17
申请号：US09026335
申请日：1998-02-19
申请人： Ryuichi Kojima , Yasuhiro Otsuka , Torahiko Kanda , Fuminori Takizawa , Masakazu Okuda , Hirofumi Nakamura
发明人： Ryuichi Kojima , Yasuhiro Otsuka , Torahiko Kanda , Fuminori Takizawa , Masakazu Okuda , Hirofumi Nakamura
IPC分类号： B41J2135
CPC分类号： B41J2/04528 , B41J2/04563 , B41J2/04581 , B41J2/14274 , B41J2/1433 , B41J2202/11
摘要： Characteristics of a droplet ejection apparatus are change depending on the shape or cone angle of the main ink ejection chamber of the apparatus, or on the diameter of the ejection aperture of main ink ejection chamber. Accordingly, operation of the droplet ejection apparatus varies with the shape, angle, or diameter of main ink ejection chamber. The shape of the aperture according to the present invention is circular or regular polygonal so that surface waves are synthesized at the central portion of the ejection aperture. Moreover, the cone angle of the main chamber is set to 65° or less from the plane vertical to the droplet ejecting direction and the diameter of the ejection aperture is set to a value 1.25 times or more larger than a desired droplet diameter.
摘要翻译：液滴喷射装置的特征根据装置的主喷墨室的形状或锥角，或主喷墨室的喷射孔的直径而变化。因此，液滴喷射装置的操作随主喷墨室的形状，角度或直径而变化。根据本发明的孔的形状是圆形或正多边形，使得在喷射孔的中心部分处合成表面波。此外，主室的锥角从垂直于液滴喷射方向的平面设定为65°以下，喷射孔的直径设定为比期望的液滴直径大1.25倍以上的值。

3. 发明授权

US06347854B1 Image recording device capable of preventing deviation of ink dot on recording medium 有权
标题翻译：能够防止墨点在记录介质上的偏差的图像记录装置
公开(公告)号：US06347854B1
公开(公告)日：2002-02-19
申请号：US09570919
申请日：2000-05-15
申请人： Masakazu Okuda , Fuminori Takizawa , Yasuhiro Otsuka , Torahiko Kanda
发明人： Masakazu Okuda , Fuminori Takizawa , Yasuhiro Otsuka , Torahiko Kanda
IPC分类号： B41J2205
CPC分类号： B41J2/04573 , B41J2/0458 , B41J2/04591 , B41J2/04593 , B41J2/2128
摘要： In an image recording device which records an image on a recording medium responsive to a desired gradation in each pixel and which includes a recording head for jetting an ink droplet having a diameter at a timing therefrom, the diameter of the ink droplet is modulated in response to the desired gradation in each pixel while the timing is modulated dependent on the modulated diameter. Thus, a position of impact of the ink droplet is not deviated, so that quality of image is not deteriorated.
摘要翻译：在图像记录装置中，响应于每个像素中的期望灰度记录在记录介质上的图像，并且包括用于在其时刻喷射直径的墨滴的记录头，响应于墨滴的直径到每个像素期望的灰度，同时根据调制的直径调制定时。因此，墨滴的冲击位置不会偏离，图像质量不会变差。

4. 发明授权

US06305792B1 Ink jet recording head 失效
标题翻译：喷墨记录头
公开(公告)号：US06305792B1
公开(公告)日：2001-10-23
申请号：US09292327
申请日：1999-04-15
申请人： Yasuhiro Otsuka , Torahiko Kanda , Masakazu Okuda , Fuminori Takizawa
发明人： Yasuhiro Otsuka , Torahiko Kanda , Masakazu Okuda , Fuminori Takizawa
IPC分类号： B41S2045
CPC分类号： B41J2/1404 , B41J2/14274 , B41J2002/14387 , B41J2002/14459 , B41J2002/14467
摘要： In order to reduce a manufacturing cost of an ink jet type recording head by simplifying a structure of the ink jet type recording head and reducing the number of manufacturing steps thereof, to provide a capacity of an ink pool without increasing a size thereof, to make the freedom of nozzle layout high and to make the freedom of design by reducing a restriction on position and number of ink supply ports, the ink pool to which ink is supplied is formed in a rear surface of a nozzle plate having a front surface formed with a plurality of nozzles and an ink chamber plate is attached to the rear surface of the nozzle plate through discrete partition walls each defining a discrete space communicating with different one of the nozzles.
摘要翻译：为了通过简化喷墨式记录头的结构并减少其制造步骤的数量来降低喷墨式记录头的制造成本，提供墨水池的容量而不增加其尺寸，以使喷嘴布局自由度高，通过减少供墨口的位置和数量来限制设计的自由度，在具有形成有前面的喷嘴板的后表面中形成有供应墨的墨水池多个喷嘴和墨室板通过离散的分隔壁附接到喷嘴板的后表面，每个分隔壁限定与不同喷嘴之间连通的离散空间。

5. 发明授权

US6154228A Image recording device capable of preventing deviation of ink dot on recording medium 有权
标题翻译：能够防止墨点在记录介质上的偏差的图像记录装置
公开(公告)号：US6154228A
公开(公告)日：2000-11-28
申请号：US135407
申请日：1998-08-18
申请人： Masakazu Okuda , Fuminori Takizawa , Yasuhiro Otsuka , Torahiko Kanda
发明人： Masakazu Okuda , Fuminori Takizawa , Yasuhiro Otsuka , Torahiko Kanda
IPC分类号： B41J2/045 , B41J2/05 , B41J2/055 , B41J2/205 , B41J2/21
CPC分类号： B41J2/04573 , B41J2/0458 , B41J2/04591 , B41J2/04593 , B41J2/2128
摘要： In an image recording device which records an image on a recording medium responsive to a desired gradation in each pixel and which includes a recording head for jetting an ink droplet having a diameter at a speed therefrom, the diameter of the ink droplet is modulated in response to the desired gradation in each pixel while the speed is modulated dependent on the modulated diameter. Thus, a position of impact of the ink droplet is not deviated, so that quality of image is not deteriorated.
摘要翻译：在图像记录装置中，响应于每个像素中的所需灰度记录图像在记录介质上，并且包括用于喷射直径为其速度的墨滴的记录头，响应于墨滴的直径到每个像素中的期望灰度，同时根据调制的直径来调制速度。因此，墨滴的冲击位置不会偏离，图像质量不会变差。

6. 发明授权

US06682175B2 Ink jet recording head and ink jet recording apparatus 失效
标题翻译：喷墨记录头和喷墨记录装置
公开(公告)号：US06682175B2
公开(公告)日：2004-01-27
申请号：US10230363
申请日：2002-08-29
申请人： Yasuhiro Otsuka , Kazuhiko Hayashi , Toshinori Ishiyama , Masakazu Okuda
发明人： Yasuhiro Otsuka , Kazuhiko Hayashi , Toshinori Ishiyama , Masakazu Okuda
IPC分类号： B41J204
CPC分类号： B41J2/055 , B41J2002/14419 , B41J2002/14459
摘要： In an ink jet recording head, an ink pool has a main flow path communicating with an ink supply port and a plurality of branch flow paths branching from the main flow path. Each ejector has a pressure chamber, a pressure generating unit and a nozzle. The pressure chamber communicates with the corresponding one of the branch flow paths. The pressure generating unit generates a pressure wave in ink charged into the pressure chamber. The nozzle ejects the ink from the pressure chamber compressed by the pressure wave. At least one wall surface forming each of the branch flow paths is formed of a damper member elastically deformable in accordance with the change of pressure in the branch flow path.
摘要翻译：在喷墨记录头中，墨水池具有与供墨口连通的主流路和从主流路分支的多个分支流路。每个喷射器具有压力室，压力发生单元和喷嘴。压力室与相应的一个分支流路连通。压力产生单元产生加压到压力室中的油墨中的压力波。喷嘴从由压力波压缩的压力室喷出墨水。形成每个分支流动路径的至少一个壁表面由根据分支流动路径中的压力变化可弹性变形的阻尼器构件形成。

7. 发明申请

US20120127230A1 Separation of Drive Pulses for Fluid Ejector 有权
标题翻译：液体喷射器驱动脉冲的分离
公开(公告)号：US20120127230A1
公开(公告)日：2012-05-24
申请号：US13297433
申请日：2011-11-16
申请人： Christoph Menzel , Masakazu Okuda , Steven H. Barss
发明人： Christoph Menzel , Masakazu Okuda , Steven H. Barss
IPC分类号： B41J29/393
CPC分类号： B41J2/04581 , B41J2/04516 , B41J2/04588 , B41J2/04595
摘要： A method for causing fluid to be ejected from a fluid chamber of a jet in a printhead. An actuator is actuated with a first energy imparting pulse to push fluid away from the actuator and toward a nozzle. Following a lapse of a first interval, the actuator is actuated with second energy imparting pulse to push fluid away from the actuator and toward the nozzle. Following a lapse of a second interval as measured from the second energy imparting pulse, the actuator is actuated with a break-off pulse to cause fluid extending out of an orifice of the nozzle to break off from fluid within the nozzle, wherein the second lapse is longer than the first lapse and is an inverse of the meniscus-jet mass frequency.
摘要翻译：一种用于使流体从喷头的流体室喷射到打印头中的方法。致动器通过第一能量施加脉冲致动，以将流体推离致动器并朝向喷嘴。在经过第一间隔之后，致动器由第二能量施加脉冲致动，以将流体推离致动器并朝向喷嘴。在从第二能量施加脉冲测得的经过第二间隔之后，致动器以断开脉冲致动，以使流出喷嘴孔口的流体从喷嘴内的流体中分离出来，其中第二次流逝比第一次流逝长，并且是弯液面喷射质量频率的倒数。

8. 发明授权

US07735947B2 Droplet ejecting apparatus and droplet ejecting method 失效
标题翻译：液滴喷射装置和液滴喷射方法
公开(公告)号：US07735947B2
公开(公告)日：2010-06-15
申请号：US11347594
申请日：2006-02-04
申请人： Masakazu Okuda
发明人： Masakazu Okuda
IPC分类号： B41J29/38
CPC分类号： B41J2/04591 , B41J2/04516 , B41J2/04541 , B41J2/04553 , B41J2/04581 , B41J2/04588
摘要： In a droplet ejecting system, after an ink droplet is ejected a reverberation pressure change is amplified to obtain an appropriate amount of reverberation pressure change, and the ink droplet is reliably separated from a meniscus when ejecting the ink droplet. To this end, voltage including an ejecting pulse for ejecting the ink droplet is applied to a piezoactuator to generate a pressure change in a pressure chamber, and voltage including a reverberation amplifying pulse is applied to the piezoactuator to amplify the pressure change in the pressure chamber in the next cycle subsequent to the cycle of the pressure change generated by the ejecting pulse.
摘要翻译：在液滴喷射系统中，在喷射墨滴之后，扩大混响压力变化以获得适当量的混响压力变化，并且当喷射墨滴时墨滴可靠地与弯液面分离。为此，包括用于喷射墨滴的喷射脉冲的电压被施加到压电致动器以产生压力室中的压力变化，并且包括混响放大脉冲的电压被施加到压电致动器以放大压力室中的压力变化在由喷射脉冲产生的压力变化的循环之后的下一个循环中。

9. 发明申请

US20070052756A1 Droplet ejection head driving method, droplet ejection head and droplet ejection device 有权
标题翻译：液滴喷射头驱动方法，液滴喷射头和液滴喷射装置
公开(公告)号：US20070052756A1
公开(公告)日：2007-03-08
申请号：US11351852
申请日：2006-02-10
申请人： Masakazu Okuda
发明人： Masakazu Okuda
IPC分类号： B41J2/04
CPC分类号： B41J2/04588 , B41J2/04581
摘要： A droplet ejection head driving method applies a driving voltage waveform to pressure-generating means, thus pressurizing a liquid in a pressure chamber and causing a droplet to be ejected. The driving voltage waveform includes a first voltage change process, which expands the pressure chamber, and a second voltage change process, after the first voltage change process, which shrinks the pressure chamber. A time interval between the first voltage change process and the second voltage change process is not more than ⅛ of a resonance period Tm of a meniscus oscillation (a refill oscillation), which is governed by surface tension of the liquid at a nozzle portion.
摘要翻译：液滴喷射头驱动方法将驱动电压波形施加到压力产生装置，从而对压力室中的液体加压并使液滴喷射。驱动电压波形包括在第一电压变化过程之后使压力室膨胀的第一电压变化过程和压缩室收缩的第二电压变化过程。第一电压变化处理和第二电压变化处理之间的时间间隔不大于弯液面振荡（再填充振荡）的共振周期Tm的1/8，其由喷嘴部分处的液体的表面张力。

10. 发明授权

US06692103B2 Ink jet recording head 失效
标题翻译：喷墨记录头
公开(公告)号：US06692103B2
公开(公告)日：2004-02-17
申请号：US10140621
申请日：2002-05-07
申请人： Masakazu Okuda , Yasuhiro Otsuka
发明人： Masakazu Okuda , Yasuhiro Otsuka
IPC分类号： B41J2145
CPC分类号： B41J2/1634 , B41J2/1433 , B41J2/162 , B41J2/1623 , B41J2002/14459 , B41J2002/14475 , B41J2202/11
摘要： An ink jet recording head wherein a nozzle jetting ink droplets is structured of a plurality of ink jet ports 11, and the length ln [m] of an ink jet port and pitch Pn [m] are set to satisfy the conditions ln>1.2 Vd/An and Pn>1.4 dd (where Vd is the volume of ink droplets that are jetted from one individual ink jet port [m3], dd is diameter of an ink droplet [m] and An is the area of a nozzle opening [m2]); wherein the fusion phenomena of a meniscus at the rear surface of a nozzle after ink is jetted can be suppressed; and wherein the effect of a multi-port nozzle enabling re-fill time to be reduced is utilized. Further the fusion phenomena of ink jet droplets in flight after being jet expelled from a multi-port nozzle can be suppressed enabling superior quality images to be recorded.
摘要翻译：一种喷墨记录头，其中喷射喷墨墨滴的喷嘴由多个喷墨口11构成，喷墨口的长度ln [m]和间距Pn [m]设定为满足条件ln> 1.2 Vd / An和Pn> 1.4dd（其中Vd是从一个单独的喷墨口喷射的墨滴的体积[m 3]，dd是墨滴的直径[m]，并且An是喷嘴的面积开[m 2]）; 其中喷墨后喷嘴后表面上的弯液面的熔化现象可被抑制; 并且利用能够减少再填充时间的多口喷嘴的效果。此外，可以抑制喷射从多口喷嘴排出的飞行中的喷墨液滴的融合现象，从而能够记录优质的图像。

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