专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明授权

US07585063B2 Filter device and liquid drop ejecting device 有权
标题翻译：过滤装置和液滴喷射装置
公开(公告)号：US07585063B2
公开(公告)日：2009-09-08
申请号：US11440247
申请日：2006-05-24
申请人： Masakazu Okuda
发明人： Masakazu Okuda
IPC分类号： B41J2/175
CPC分类号： B41J2/17563
摘要： There is provided a filter device having: a supply path into which liquid flows; a first liquid chamber communicating with the supply path; a second liquid chamber communicating with the first liquid chamber; a first discharge path which communicates with the second liquid chamber, and from which liquid is discharged; and a filter provided between the first liquid chamber and the second liquid chamber. An intermediate portion of the first discharge path between an entrance and an exit of the first discharge path is higher than the entrance and the exit, and the entrance of the first discharge path opens in a vicinity of a floor portion of the second liquid chamber.
摘要翻译：提供了一种过滤装置，其具有：液体流入的供给路径; 与所述供给路径连通的第一液体室; 与第一液体室连通的第二液体室; 与第二液体室连通并从其排出液体的第一排出路径; 以及设置在第一液体室和第二液体室之间的过滤器。第一排出路径的入口和出口之间的第一排出路径的中间部分高于入口和出口，并且第一排出路径的入口在第二液体室的地板部分附近开口。

12. 发明授权

US06702414B2 Method for driving ink jet recording head and ink jet recorder 失效
标题翻译：驱动喷墨记录头和喷墨记录器的方法
公开(公告)号：US06702414B2
公开(公告)日：2004-03-09
申请号：US10276405
申请日：2002-11-15
申请人： Masakazu Okuda
发明人： Masakazu Okuda
IPC分类号： B41J2938
CPC分类号： B41J2/04588 , B41J2/04581
摘要： To enable fine droplets each having a diameter of 15 &mgr;m or less to be ejected without causing increase of device cost and a device size, and decrease reliability and a manufacturing yield. A driving waveform driving a piezoelectric actuator includes a first voltage changing process for inflating a pressure generating chamber in a falling time t1, a second voltage changing process for rapidly deflating the pressure generating chamber in a rising time t3 after keeping the fallen voltage during a time t2, a third voltage changing process for rapidly inflating the pressure generating chamber just after the preceding process, and a fourth voltage changing process for compressing the pressure generating chamber just after the preceding process. Hereat, t1 and t2 are set so as to satisfy the following expression: t2=t0−t1 t 0 = T c 2 ⁢ π ⁢ tan - 1 ⁡ [ sin ⁡ ( 2 ⁢ π T c · t 1 ) cos ⁡ ( 2 ⁢ π T c · t 1 ) - 1 ] ⁢ .
摘要翻译：为了使每个直径为15μm以下的细小液滴喷射而不会导致装置成本和装置尺寸的增加，降低了可靠性和制造成品率。驱动压电致动器的驱动波形包括用于充气的第一电压改变处理在下降时间t1的压力发生室，在时间t2内保持下降电压之后的上升时间t3内快速放气压力发生室的第二电压变化过程，用于使压力发生室刚刚充气的第三电压变化过程以及第四电压变化过程，用于在紧接着前一处理之后压缩压力发生室。此处，t1和t2被设置为满足以下表达式：

13. 发明授权

US06695437B2 Inkjet recording head and method for driving an inkjet recording head 失效
标题翻译：喷墨记录头和用于驱动喷墨记录头的方法
公开(公告)号：US06695437B2
公开(公告)日：2004-02-24
申请号：US10152361
申请日：2002-05-21
申请人： Hirofumi Nakamura , Masakazu Okuda
发明人： Hirofumi Nakamura , Masakazu Okuda
IPC分类号： B41J2045
CPC分类号： B41J2/1623 , B41J2/04541 , B41J2/04581 , B41J2/04588 , B41J2/04593 , B41J2/14233 , B41J2/161 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2/1634 , B41J2/1643 , B41J2/1646 , B41J2002/14419 , B41J2002/14459 , B41J2002/14491 , B41J2202/03 , B41J2202/11
摘要： An inkjet recording head includes a plurality of nozzles, a plurality of pressure chambers in communication with the respective nozzles, a diaphragm forming a part of the walls of the pressure chambers, and a plurality of piezoelectric actuators each coupled with a part of the diaphragm to form a vibrating member. The vibrating member deforms to generate a pressure wave in the ink filled within the pressure chamber, the acoustic capacitance of the vibrating member being set at 2.0×10−20 m5/N or higher.
摘要翻译：喷墨记录头包括多个喷嘴，与相应喷嘴连通的多个压力室，形成压力室的壁的一部分的隔膜，以及多个压电致动器，每个压电致动器与隔膜的一部分耦合形成振动部件。振动构件变形以在填充在压力室内的油墨中产生压力波，振动构件的声电容设定在2.0×10 -2 m / N以上。

14. 发明授权

US06467865B1 Ink jet recording head and ink jet recorder 失效
标题翻译：喷墨记录头和喷墨记录器
公开(公告)号：US06467865B1
公开(公告)日：2002-10-22
申请号：US09744475
申请日：2001-01-25
申请人： Takuya Iwamura , Masakazu Okuda
发明人： Takuya Iwamura , Masakazu Okuda
IPC分类号： B41J2938
CPC分类号： B41J2/04553 , B41J2/04581 , B41J2/04588
摘要： Ink stored in an ink tank 11 passes through a supply path 12 and supply port 13 and fills a pressure chamber 14. A piezoelectric actuator 15 vibrates a vibration plate 17 by receiving a voltage from a driving voltage control unit 16. The volume of the pressure chamber 14 is changed by vibrating the vibration plate 17 to eject the ink in the pressure chamber 14 from a nozzle 18 toward to the sheet 2. The diameter of the nozzle 18 is set within the range of 20 to 40 &mgr;m, and an ink viscosity is set within the range of 2 to 6 mPa·s. With these settings, a fine droplet having the total diameter of 25 &mgr;m or less can be stably ejected, thereby obtaining high quality image. In addition, a driving waveform voltage is corrected in accordance with the ambient temperature detected by a temperature detection unit 19, and the ink viscosity is set within the range of 2 to 15 mPa·s, thereby keeping high image quality.
摘要翻译：存储在墨罐11中的墨水通过供给路径12和供给口13并填充压力室14.压电致动器15通过从驱动电压控制单元16接收电压来振动振动板17.压力体积通过使振动板17振动来改变腔室14，将压力室14中的墨从喷嘴18朝向片材2喷射。喷嘴18的直径设定在20〜40μm的范围内，墨水粘度设定在2〜6mPa·s的范围内。通过这些设定，可以稳定地喷射总直径为25μm以下的微细液滴，从而获得高质量的图像。此外，根据由温度检测单元19检测到的环境温度来校正驱动波形电压，并且将墨水粘度设置在2至15mPa.s的范围内，从而保持高图像质量。

15. 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。

16. 发明授权

US07976139B2 Liquid ejection head and liquid ejection apparatus 有权
标题翻译：液体喷射头和液体喷射装置
公开(公告)号：US07976139B2
公开(公告)日：2011-07-12
申请号：US12031577
申请日：2008-02-14
申请人： Tadashi Kyoso , Masakazu Okuda
发明人： Tadashi Kyoso , Masakazu Okuda
IPC分类号： B41J2/175
CPC分类号： B41J29/38 , B41J2/14233 , B41J2/175 , B41J2002/14306 , B41J2002/14467 , B41J2202/11 , B41J2202/12
摘要： A liquid ejection head includes: a plurality of nozzles which eject liquid; a plurality of pressure chambers connected respectively to the plurality of nozzles; a common flow channel which is provided to be shared by the plurality of pressure chambers and has a plurality of supply flow channel connection ports and a plurality of circulation flow channel ports; a plurality of supply flow channels through which the liquid flows from the common flow channel to the plurality of pressure chambers via the plurality of supply flow channel connection ports; and a plurality of circulation flow channels through which the liquid flow from the plurality of pressure chambers to the common flow channel via the plurality of circulation flow channel ports, wherein the plurality of supply flow channel connection ports and the plurality of circulation flow channel ports are arranged so that a pressure differential of the liquid between the supply flow channel connection port and the circulation flow channel port which are connected to the same pressure chamber is equal in respect of all of the plurality of pressure chambers.
摘要翻译：液体喷射头包括：喷射液体的多个喷嘴; 分别连接到所述多个喷嘴的多个压力室; 公共流路，被设置成由多个压力室共享，并具有多个供给流路连接口和多个循环流路口; 多个供给流路，液体经由多个供给流路连接口从共通流路流向多个压力室，以及多个循环流动通道，所述液体经由所述多个循环流动通道口从所述多个压力室流向所述公共流动通道，其中所述多个供给流动通道连接口和所述多个循环流动通道口是被布置成使得连接到相同压力室的供应流动通道连接口和循环流动通道口之间的液体的压力差相对于所有多个压力室相等。

17. 发明申请

US20070109365A1 Filter device and liquid drop ejecting device 有权
标题翻译：过滤装置和液滴喷射装置
公开(公告)号：US20070109365A1
公开(公告)日：2007-05-17
申请号：US11440247
申请日：2006-05-24
申请人： Masakazu Okuda
发明人： Masakazu Okuda
IPC分类号： B41J2/175
CPC分类号： B41J2/17563
摘要： There is provided a filter device having: a supply path into which liquid flows; a first liquid chamber communicating with the supply path; a second liquid chamber communicating with the first liquid chamber; a first discharge path which communicates with the second liquid chamber, and from which liquid is discharged; and a filter provided between the first liquid chamber and the second liquid chamber. An intermediate portion of the first discharge path between an entrance and an exit of the first discharge path is higher than the entrance and the exit, and the entrance of the first discharge path opens in a vicinity of a floor portion of the second liquid chamber.
摘要翻译：提供了一种过滤装置，其具有：液体流入的供给路径; 与所述供给路径连通的第一液体室; 与第一液体室连通的第二液体室; 与第二液体室连通并从其排出液体的第一排出路径; 以及设置在第一液体室和第二液体室之间的过滤器。第一排出路径的入口和出口之间的第一排出路径的中间部分高于入口和出口，并且第一排出路径的入口在第二液体室的地板部分附近开口。

18. 发明申请

US20070046704A1 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：US20070046704A1
公开(公告)日：2007-03-01
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。

19. 发明申请

US20060232746A1 Image pickup apparatus and grasp member thereof 有权
公开(公告)号：US20060232746A1
公开(公告)日：2006-10-19
申请号：US11402003
申请日：2006-04-12
申请人： Hisao Kobayashi , Masakazu Okuda , Nobutaka Kanayama , Yoshiaki Akutagawa , Hidenori Tomita
发明人： Hisao Kobayashi , Masakazu Okuda , Nobutaka Kanayama , Yoshiaki Akutagawa , Hidenori Tomita
IPC分类号： G03B17/02
CPC分类号： H04N5/2252 , G03B17/563
摘要： There is provided a grasp member joined to the top portion of an image pickup apparatus body including a lens barrel unit at the front end and a display unit at the rear end through leg portions. Here, the front one of the leg portions is joined to the image pickup apparatus body at an offset position to the left from an optical axis of light incident on the lens barrel unit.

20. 发明授权

US06921149B2 Liquid drop discharging head and liquid drop discharging device 有权
标题翻译：液滴排放头和液滴排放装置
公开(公告)号：US06921149B2
公开(公告)日：2005-07-26
申请号：US10600698
申请日：2003-06-23
申请人： Masakazu Okuda , Ryuichi Kojima
发明人： Masakazu Okuda , Ryuichi Kojima
IPC分类号： B41J2/045 , B41J2/055 , B41J2/14 , B41J2/15 , B41J2/145
CPC分类号： B41J2/14233 , B41J2/15 , B41J2002/14419 , B41J2002/14459
摘要： A liquid drop discharging head includes a matrix array head that can reduce variations in a print density without reducing a recording speed. A liquid drop discharging device provided with this liquid drop discharging head can realize compatibility between recording an image at high speed and recording the high quality image. Ejectors are disposed alternately to form dots on a recording medium that are arranged in the order of alternating ejectors such as A, E, B, F, C, G, D, and H. The dots having a relatively large diameter and the dots having a relatively small diameter are mixedly disposed in a sub-scanning direction at predetermined pitches. Mixed arrangement of dots increases space frequency variations in a print density along the sub-scanning direction, thus, making it difficult for the human eye to sense the density variations, and ensuring a high uniformity in a recorded result.
摘要翻译：液滴排放头包括可以减小打印浓度的变化而不降低记录速度的矩阵阵列头。设置有该液滴排出头的液滴排出装置可以实现高速记录图像和记录高质量图像之间的兼容性。喷射器被交替排列以在记录介质上形成以按照A，E，B，F，C，G，D和H的交替喷射器的顺序排列的点。这些点具有相对较大的直径，并且点具有相对小的直径以预定间距以副扫描方向混合设置。点的混合排列增加了沿着副扫描方向的打印浓度的空间频率变化，从而难以使人眼感测到浓度变化，并且确保记录结果的高均匀性。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式