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1. 发明公开

EP1952990A2 Ink-jet recording apparatus 有权
标题翻译：喷墨记录装置
公开(公告)号：EP1952990A2
公开(公告)日：2008-08-06
申请号：EP08001633.0
申请日：2008-01-29
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Sakaida, Atsuo , Hirota, Atsushi , Iwao, Naoto , Oishi, Tatsuo
IPC分类号： B41J2/145
CPC分类号： B41J2/155 , B41J2002/14217 , B41J2002/14225 , B41J2002/14459 , B41J2002/14475 , B41J2202/11 , B41J2202/20
摘要： An ink-jet recording apparatus of one aspect of the invention comprises nozzles are arranged on an ink ejection surface in a matrix in a first direction in which a recording medium is conveyed and a second direction orthogonal to the first direction. The plurality of nozzles are grouped into a plurality of nozzle sets, each of the plurality of nozzle sets includes nozzles arranged along the second direction. The plurality of nozzle sets are spaced from one another in the first direction by first distances, each of the first distances is an integral multiple of a distance that is obtained by multiplying a unit distance by 2 n-1 . The unit distance corresponds to a highest resolution among first resolutions with respect to the first direction of an image to be formed on the recording medium.
摘要翻译：本发明的一个方面的喷墨记录装置包括喷嘴，其沿输送记录介质的第一方向和与第一方向正交的第二方向以矩阵排列在墨喷射表面上。多个喷嘴被分组为多个喷嘴组，多个喷嘴组中的每一个包括沿着第二方向布置的喷嘴。多个喷嘴组在第一方向上彼此间隔开第一距离，每个第一距离是通过将单位距离乘以2n-1而获得的距离的整数倍。单位距离对应于关于要在记录介质上形成的图像的第一方向的第一分辨率中的最高分辨率。

2. 发明公开

EP1900528A1 Liquid ejection head and driving method thereof 有权
标题翻译： Flüssigkeitsausstoßkopfund Antriebsverfahrendafür
公开(公告)号：EP1900528A1
公开(公告)日：2008-03-19
申请号：EP07017992.4
申请日：2007-09-13
申请人： Brother Kogyo Kabushiki Kaisha , Kyocera Corporation
发明人： Hibi, Manabu , Iwao, Naoto , Ishikura, Shin
IPC分类号： B41J2/045 , B41J2/14
CPC分类号： B41J2/14209 , B41J2/04581 , B41J2/04588 , B41J2002/14217 , B41J2002/14225 , B41J2002/14306 , B41J2002/14459 , B41J2202/20
摘要： A liquid ejection head includes a passage unit (4) and an actuator (21). A nozzle (8) for ejecting liquid and a common liquid chamber are formed in the passage unit. An individual liquid passage (32) formed in the passage unit includes a first passage, a pressure chamber (10), a second passage, and a restricted passage (12). The first passage communicates between the nozzle and the pressure chamber. The second passage communicates between the pressure chamber and the restricted passage. The restricted passage is smaller than the second passage in the sectional area perpendicular to the flow of the liquid. The actuator can selectively take a first state in which the volume of the pressure chamber is V1 and a second state in which the volume of the pressure chamber is V2 larger than V1. The actuator changes from the first state into the second state and then returns to the first state to eject the liquid from the nozzle. The individual liquid passage is designed so that Tc1 and Tc2 defined by predetermined expressions showing characteristics of the individual liquid passage satisfy a condition that Tc1/Tc2 is substantially not less than 4.7 and not more than 5.5.
摘要翻译：液体喷射头包括通道单元（4）和致动器（21）。在通道单元中形成用于喷射液体的喷嘴（8）和公共液体室。形成在通道单元中的单个液体通道（32）包括第一通道，压力室（10），第二通道和限制通道（12）。第一通道在喷嘴和压力室之间连通。第二通道在压力室和限制通道之间连通。限制通道比垂直于液体流动截面的第二通道小。致动器可以选择性地采取其中压力室的体积为V1的第一状态和压力室的体积V2大于V1的第二状态。致动器从第一状态变为第二状态，然后返回到第一状态以从喷嘴喷出液体。单独的液体通道被设计成使得通过显示各个液体通道的特性的预定表达式限定的Tc1和Tc2满足Tc1 / Tc2基本上不小于4.7且不大于5.5的条件。

3. 发明授权

EP1661705B1 Ink jet printer and method for determining pulse width 有权
标题翻译：确定喷墨打印机和方法的脉冲宽度
公开(公告)号：EP1661705B1
公开(公告)日：2011-10-26
申请号：EP05025998.5
申请日：2005-11-29
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Iwao, Naoto
IPC分类号： B41J2/045
CPC分类号： B41J2/04506 , B41J2/04581 , B41J2/04588 , B41J2/04591 , B41J2/04595 , B41J2002/14217 , B41J2002/14225 , B41J2002/14306 , B41J2002/14459 , B41J2202/06 , B41J2202/20

4. 发明授权

EP2100741B1 Inkjet recording apparatus 有权转让
公开(公告)号：EP2100741B1
公开(公告)日：2011-05-18
申请号：EP09003535.3
申请日：2009-03-11
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Iwao, Naoto
IPC分类号： B41J2/21 , C09D11/00
CPC分类号： B41J2/2114 , C09D11/00 , C09D11/54

5. 发明授权

EP1859940B1 Ink jet printer 有权
公开(公告)号：EP1859940B1
公开(公告)日：2010-11-17
申请号：EP07010239.7
申请日：2007-05-23
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Iwao, Naoto , Sakaida, Atsuo
IPC分类号： B41J2/045
CPC分类号： B41J2/14209 , B41J2/04541 , B41J2/04581 , B41J2/04588 , B41J2/04596 , B41J2002/14217 , B41J2002/14225 , B41J2002/14459 , B41J2002/14491 , B41J2202/20

6. 发明公开

EP1803566A2 Inkjet printer 有权
标题翻译：喷墨打印机
公开(公告)号：EP1803566A2
公开(公告)日：2007-07-04
申请号：EP06026626.9
申请日：2006-12-21
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Iwao, Naoto
IPC分类号： B41J2/045
CPC分类号： B41J2/04595 , B41J2/04581 , B41J2/04588 , B41J2/14209 , B41J2002/14217 , B41J2002/14225 , B41J2002/14306 , B41J2002/14459 , B41J2202/20
摘要： An aspect of the invention provides an inkjet printer including: an inkjet head and a controller. The inkjet head moves relative to a recording medium to perform printing. The inkjet head includes, a flow path unit (4) including plural pressure chambers (10) respectively communicating with plural ink ejection ports (8) that ejects ink droplets toward the recording medium, and a piezoelectric actuator (21) configured to take a first state and a second state. The controller supplies a drive pulse signal to the piezoelectric actuator in order to repeat an operation in which the piezoelectric actuator transits from the first state to the second state and returns to the first state, for enabling the corresponding ink ejection port to eject a plurality of ink droplets. The controller supplies the drive pulse signal so that timings of the transition and the return satisfy some relationships.
摘要翻译：本发明的一个方面提供了一种喷墨打印机，其包括：喷墨头和控制器。喷墨头相对于记录介质移动以执行打印。该喷墨头包括：流路单元（4），包括分别与朝向记录介质喷射墨滴的多个墨水喷射口（8）连通的多个压力腔室（10）;以及压电致动器（21），被配置为获取第一状态和第二状态。控制器向压电致动器提供驱动脉冲信号，以便重复压电致动器从第一状态转换到第二状态并返回到第一状态的操作，以使对应的墨水喷射端口能够喷射多个墨滴。控制器提供驱动脉冲信号，使得转变和返回的定时满足一些关系。

7. 发明公开

EP1403047A1 Inkjet printing apparatus and actuator controller and actuator controlling method used in inkjet printing apparatus 有权
标题翻译：用于在喷墨打印机中使用喷墨打印机和致动器控制致动器和控制方法
公开(公告)号：EP1403047A1
公开(公告)日：2004-03-31
申请号：EP03021545.3
申请日：2003-09-24
申请人： BROTHER KOGYO KABUSHIKI KAISHA , Kyocera Corporation
发明人： Iwao, Naoto , Matsumoto, Ayumu
IPC分类号： B41J2/045 , B41J2/05
CPC分类号： B41J2/0456 , B41J2/04581 , B41J2/04588 , B41J2/04593 , B41J2/14209 , B41J2002/14217 , B41J2002/14225 , B41J2002/14306
摘要： An actuator unit is driven with a voltage pulse supplied from a driver IC. The actuator unit can take two states of a first state wherein the volume of a pressure chamber is V1, and a second state wherein the volume of the pressure chamber is V2 larger than V1. A state of the actuator unit changes from the first state to the second state and then to the first state again so that ink is ejected through a nozzle connected to one end of the pressure chamber. A pulse width Tw of the voltage pulse to be supplied to the actuator unit is shorter than a pulse width Tmax at which a maximum ejection speed of ink ejected from the nozzle is obtained. Thus, with simplifying a waveform of the voltage pulse, two of large and small ink droplets can be successively ejected in the order of the large and small ink droplets.
摘要翻译：（1）具有控制器所做的打印机在致动器提供电压脉冲到用于改变致动器的状态到另一个状态，然后返回到原来的状态，象墨经由喷嘴喷射。的脉冲宽度的电压脉冲的Tw的到在致动器被供给到比脉冲宽度T最大在从喷嘴喷出的油墨的最大喷射速度获得用于简化脉冲波形短。因此独立claimsoft包括用于控制在喷墨打印设备包括在致动器的驱动器的方法。

8. 发明授权

EP1661704B1 Ink jet printer, controlling method for an ink jet printer, and computer program product therefor 有权
标题翻译：喷墨打印机中，除了属于控制方法和计算机程序产品
公开(公告)号：EP1661704B1
公开(公告)日：2010-06-30
申请号：EP05025997.7
申请日：2005-11-29
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Iwao, Naoto
IPC分类号： B41J2/045 , B41J2/14
CPC分类号： B41J2/04525 , B41J2/04581 , B41J2/04588 , B41J2/04596 , B41J2/14201 , B41J2/14209 , B41J2002/14217 , B41J2002/14225 , B41J2002/14306 , B41J2002/14459 , B41J2202/20

9. 发明公开

EP2100741A2 Inkjet recording apparatus 有权转让
标题翻译：喷墨记录装置
公开(公告)号：EP2100741A2
公开(公告)日：2009-09-16
申请号：EP09003535.3
申请日：2009-03-11
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Iwao, Naoto
IPC分类号： B41J2/21
CPC分类号： B41J2/2114 , C09D11/00 , C09D11/54
摘要： A inkjet recording apparatus includes a first inkjet head (12K,12M,12C,12Y) which ejects color ink having one of a hydrophobic property and an aqueous property; a second inkjet head (12T) which ejects colorless ink having the remaining the other property; and an ejection controller (32) which controls the first inkjet head to eject the color ink on. an image region and controls the second inkjet head to eject the colorless ink on an ejection region contacting the image region with a boundary therebetween. The ejection controller controls the first and second inkjet heads so that the colorless ink ejected from the second inkjet head reaches a second minute segment in the ejection region, the second minute segment adjacent to a first minute segment in the image region with the boundary interposed therebetween, before the color ink ejected from the first inkjet head reaches the first minute segment in the image region.
摘要翻译：一种喷墨记录设备包括：第一喷墨头（12K，12M，12C，12Y），其喷射具有疏水性和含水性之一的彩色油墨; 喷射具有剩余其他性质的无色油墨的第二喷墨头（12T）以及控制第一喷墨头喷射彩色墨水的喷射控制器（32）。控制第二喷墨头以在其间具有边界的图像区域接触的喷射区域上喷射无色墨水。喷射控制器控制第一和第二喷墨头，使得从第二喷墨头喷射的无色墨水在喷射区域中达到第二微小区段，第二微小区段与图像区域中的第一微小区段相邻且边界介于它们之间在从第一喷墨头喷射的彩色墨水到达图像区域中的第一分钟段之前。

10. 发明公开

EP1952990A3 Ink-jet recording apparatus 有权
公开(公告)号：EP1952990A3
公开(公告)日：2009-08-05
申请号：EP08001633.0
申请日：2008-01-29
申请人： Brother Kogyo Kabushiki Kaisha
发明人： Sakaida, Atsuo , Hirota, Atsushi , Iwao, Naoto , Oishi, Tatsuo
IPC分类号： B41J2/145
CPC分类号： B41J2/155 , B41J2002/14217 , B41J2002/14225 , B41J2002/14459 , B41J2002/14475 , B41J2202/11 , B41J2202/20
摘要： An ink-jet recording apparatus of one aspect of the invention comprises nozzles are arranged on an ink ejection surface in a matrix in a first direction in which a recording medium is conveyed and a second direction orthogonal to the first direction. The plurality of nozzles are grouped into a plurality of nozzle sets, each of the plurality of nozzle sets includes nozzles arranged along the second direction. The plurality of nozzle sets are spaced from one another in the first direction by first distances, each of the first distances is an integral multiple of a distance that is obtained by multiplying a unit distance by 2 n-1 . The unit distance corresponds to a highest resolution among first resolutions with respect to the first direction of an image to be formed on the recording medium.

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