公开(公告)号：US07300126B2

公开(公告)日：2007-11-27

申请号：US11189421

申请日：2005-07-26

申请人： Shingo Uraki ,  Katsuaki Komatsu ,  Akiko Kitami

发明人： Shingo Uraki ,  Katsuaki Komatsu ,  Akiko Kitami

IPC分类号： B41J29/38

CPC分类号： B41J2/04588 ,  B41J2/04525 ,  B41J2/04573 ,  B41J2/04581 ,  B41J29/393 ,  B41J2202/10

摘要： The present liquid ejecting device adjusts the cross-talk amount to a range of ± 15 %, by providing: a recording head having actuators which generate the ejection energy for ejecting the liquid from a plurality of nozzles for each of the plurality of nozzles; a drive circuit to generate the drive signal for driving the actuator; and an adjusting circuit for adjusting at least one of the rising time constant and the falling time constant of the waveform of the drive signal to a time period more than 30 nsec and less than 150 nsec before the drive signal reaches the actuator.

摘要翻译： 本液体喷射装置通过提供一种记录头，其具有产生用于从多个喷嘴中排出液体的喷射能量的致动器的记录头，用于多个喷嘴中的每个喷嘴; 用于产生用于驱动致动器的驱动信号的驱动电路; 以及调节电路，用于在驱动信号到达致动器之前将驱动信号的波形的上升时间常数和下降时间常数中的至少一个调整到大于30nsec且小于150nsec的时间段。

公开(公告)号：US07287821B2

公开(公告)日：2007-10-30

申请号：US11201438

申请日：2005-08-10

申请人： Shingo Uraki ,  Akiko Kitami ,  Katsuaki Komatsu

发明人： Shingo Uraki ,  Akiko Kitami ,  Katsuaki Komatsu

IPC分类号： B41J29/38

CPC分类号： B41J2/16579 ,  B41J2/0451 ,  B41J2/0456 ,  B41J2/04581 ,  B41J2/0459 ,  B41J2/075 ,  B41J2/12 ,  B41J2/125 ,  B41J2202/10

摘要： A liquid jetting device having: a recording head including a jetting energy generating element; a drive circuit generating drive signal for the element; a liquid detection sensor detecting a jetting characteristic value of liquid jetted from a nozzle; a drive voltage adjustment unit adjusting a voltage value of the drive signal; and a controller to control the drive circuit, the sensor and the drive voltage adjustment unit, wherein the controller performs control so that the liquid is jetted, and creates a correction data from the jetting characteristic value; and the controller performs control so that the voltage value is corrected based on a value obtained by multiplying the correction data by convergence coefficient within a range from 0.50 or more to less than 1.00, and repeats correcting the voltage value until a detection result of the liquid jetted based on the drive signal after the correction becomes a target value.

摘要翻译： 一种液体喷射装置，具有：记录头，包括喷射能量产生元件; 产生用于该元件的驱动信号的驱动电路; 检测从喷嘴喷射的液体的喷射特性值的液体检测传感器; 驱动电压调整单元，调整驱动信号的电压值; 以及控制器，用于控制所述驱动电路，所述传感器和所述驱动电压调节单元，其中所述控制器执行控制以使得所述液体被喷射，并且根据所述喷射特性值创建校正数据; 并且控制器执行控制，使得基于通过将校正数据乘以0.50以上至小于1.00的范围内的收敛系数而获得的值来校正电压值，并且重复校正电压值直到液体的检测结果 基于校正后的驱动信号喷射的目标值。

公开(公告)号：US20060033766A1

公开(公告)日：2006-02-16

申请号：US11189421

申请日：2005-07-26

申请人： Shingo Uraki ,  Katsuaki Komatsu ,  Akiko Kitami

发明人： Shingo Uraki ,  Katsuaki Komatsu ,  Akiko Kitami

IPC分类号： B41J29/38

CPC分类号： B41J2/04588 ,  B41J2/04525 ,  B41J2/04573 ,  B41J2/04581 ,  B41J29/393 ,  B41J2202/10

摘要： The present liquid ejecting device adjusts the cross-talk amount to a range of ±15%, by providing: a recording head having actuators which generate the ejection energy for ejecting the liquid from a plurality of nozzles for each of the plurality of nozzles; a drive circuit to generate the drive signal for driving the actuator; and an adjusting circuit for adjusting at least one of the rising time constant and the falling time constant of the waveform of the drive signal to a time period more than 30 nsec and less than 150 nsec before the drive signal reaches the actuator.

摘要翻译： 本液体喷射装置通过提供一种记录头，其具有产生用于从多个喷嘴中排出液体的喷射能量的致动器的记录头，用于多个喷嘴中的每个喷嘴; 用于产生用于驱动致动器的驱动信号的驱动电路; 以及调节电路，用于在驱动信号到达致动器之前将驱动信号的波形的上升时间常数和下降时间常数中的至少一个调整到大于30nsec且小于150nsec的时间段。

公开(公告)号：US20060033768A1

公开(公告)日：2006-02-16

申请号：US11201438

申请日：2005-08-10

申请人： Shingo Uraki ,  Akiko Kitami ,  Katsuaki Komatsu

发明人： Shingo Uraki ,  Akiko Kitami ,  Katsuaki Komatsu

IPC分类号： B41J29/38

CPC分类号： B41J2/16579 ,  B41J2/0451 ,  B41J2/0456 ,  B41J2/04581 ,  B41J2/0459 ,  B41J2/075 ,  B41J2/12 ,  B41J2/125 ,  B41J2202/10

摘要： A liquid jetting device having: a recording head including a jetting energy generating element; a drive circuit generating drive signal for the element; a liquid detection sensor detecting a jetting characteristic value of liquid jetted from a nozzle; a drive voltage adjustment unit adjusting a voltage value of the drive signal; and a controller to control the drive circuit, the sensor and the drive voltage adjustment unit, wherein the controller performs control so that the liquid is jetted, and creates a correction data from the jetting characteristic value; and the controller performs control so that the voltage value is corrected based on a value obtained by multiplying the correction data by convergence coefficient within a range from 0.50 or more to less than 1.00, and repeats correcting the voltage value until a detection result of the liquid jetted based on the drive signal after the correction becomes a target value.

摘要翻译： 一种液体喷射装置，具有：记录头，包括喷射能量产生元件; 产生用于该元件的驱动信号的驱动电路; 检测从喷嘴喷射的液体的喷射特性值的液体检测传感器; 驱动电压调整单元，调整驱动信号的电压值; 以及控制器，用于控制所述驱动电路，所述传感器和所述驱动电压调节单元，其中所述控制器执行控制以使得所述液体被喷射，并且根据所述喷射特性值创建校正数据; 并且控制器执行控制，使得基于通过将校正数据乘以0.50以上至小于1.00的范围内的收敛系数而获得的值来校正电压值，并且重复校正电压值直到液体的检测结果 基于校正后的驱动信号喷射的目标值。

公开(公告)号：US07410233B2

公开(公告)日：2008-08-12

申请号：US11294662

申请日：2005-12-05

申请人： Akiko Kitami ,  Kazuo Asano

发明人： Akiko Kitami ,  Kazuo Asano

IPC分类号： B41J29/38

CPC分类号： B41J2/04596 ,  B41J2/04516 ,  B41J2/04581 ,  B41J2/04588 ,  B41J2/0459 ,  B41J2/04595 ,  B41J2202/10

摘要： A liquid droplet ejecting apparatus having: a pressurizing device; a pressure generation chamber whose volume expands or contracts by a movement of the pressurizing device; a liquid droplet ejecting head having a nozzle communicating with the pressure generation chamber; and a drive signal generator which generates the drive signal for operating the pressurizing device, and causing to eject liquid droplets through the nozzle, wherein the drive signal comprises: an expansion pulse to expand the volume of the pressure generation chamber; a first contraction pulse following the expansion pulse to contract the volume; and a second contraction pulse after the first contraction pulse to contract the volume, wherein a pulse width of the expansion pulse is 0.7AL through 1.3AL, and a pulse width of the first contraction pulse is 0.3 AL through 1.5 AL, where AL is ½ of an acoustic resonance period of the pressure generation chamber.

摘要翻译： 一种液滴喷射装置，具有：加压装置; 通过加压装置的运动使体积膨胀或收缩的压力产生室; 具有与压力发生室连通的喷嘴的液滴喷射头; 以及驱动信号发生器，其产生用于操作加压装置的驱动信号，并且使液滴通过喷嘴喷射，其中驱动信号包括：膨胀脉冲，以膨胀压力产生室的体积; 扩张脉冲之后的第一收缩脉冲收缩体积; 以及在第一收缩脉冲之后的第二收缩脉冲以收缩体积，其中扩张脉冲的脉冲宽度为0.7AL至1.3AL，并且第一收缩脉冲的脉冲宽度为0.3AL至1.5AL，其中AL为½ 的压力产生室的声共振周期。

公开(公告)号：US06908167B2

公开(公告)日：2005-06-21

申请号：US10628936

申请日：2003-07-28

申请人： Akiko Kitami ,  Kazuo Asano

发明人： Akiko Kitami ,  Kazuo Asano

IPC分类号： B41J2/045 ,  B41J29/38

CPC分类号： B41J2/04581 ,  B41J2/04588 ,  B41J2/0459 ,  B41J2/04591 ,  B41J2/04596 ,  B41J2202/10

摘要： An ink-jet recording apparatus in which an electromechanical converting device that changes a volume of an ink channel of a recording head is driven to make an ink droplet to jet from a nozzle, wherein before an ink droplet jetting operation is conducted, an ink meniscus of the ink channel is vibrated finely by repeating plural times a pushing out process so that a distance corresponding to a peak of the ink meniscus pushed out from a surface of the nozzle is equal to or more than a radius of the nozzle and a process for pulling in more toward the ink channel across a repose position, while the ink is prevented from jetting from the nozzle.

摘要翻译： 一种喷墨记录装置，其中驱动改变记录头的油墨通道的体积的机电转换装置使得墨滴从喷嘴喷射，其中在进行墨滴喷射操作之前，将墨水弯液面 通过重复多次推出处理使墨水通道微细振动，使得与从喷嘴表面推出的墨弯月面的峰值相对应的距离等于或大于喷嘴的半径， 更多地朝着油墨通道穿过安静位置，同时防止油墨从喷嘴喷射。

公开(公告)号：US07195327B2

公开(公告)日：2007-03-27

申请号：US10772743

申请日：2004-02-04

申请人： Akiko Kitami ,  Kazuo Asano

发明人： Akiko Kitami ,  Kazuo Asano

IPC分类号： B41J29/38

CPC分类号： B41J2/04581 ,  B41J2/04588 ,  B41J2/04593 ,  B41J2/04596 ,  B41J2/14209

摘要： A droplet ejection apparatus provided with: a drive signal generator for generating drive signals including a plurality of drive pulses; a drive pulse selector for selecting drive pulses in accordance with a print datum of each pixel; and a head for ejecting a droplet from a nozzle provided corresponding to a channel, by changing a volume of the channel according to the drive pulses selected, wherein, the drive signal includes a micro-vibration pulse as one of the drive pulses to generate a micro-vibration of meniscus in the nozzle in such a degree that the droplet is not ejected, said micro-vibration pulse being formed of rectangular waves which include at least one micro-vibration pulse having a pulse width of (2n) AL, where AL is ½ of the acoustic resonance period of the channel, and n is an integer not smaller than 1.

摘要翻译： 一种液滴喷射装置，具有：驱动信号发生器，用于产生包括多个驱动脉冲的驱动信号; 驱动脉冲选择器，用于根据每个像素的打印数据选择驱动脉冲; 以及用于通过根据所选择的驱动脉冲改变通道的体积而从对应于通道设置的喷嘴喷射液滴的头，其中，所述驱动信号包括作为驱动脉冲之一的微振动脉冲，以产生 所述微振动脉冲由包括脉冲宽度为（2n）AL的至少一个微振动脉冲的矩形波形成，其中AL 是通道的声共振周期的1/2，n是不小于1的整数。

公开(公告)号：US20060125856A1

公开(公告)日：2006-06-15

申请号：US11294662

申请日：2005-12-05

申请人： Akiko Kitami ,  Kazuo Asano

发明人： Akiko Kitami ,  Kazuo Asano

IPC分类号： B41J29/38

CPC分类号： B41J2/04596 ,  B41J2/04516 ,  B41J2/04581 ,  B41J2/04588 ,  B41J2/0459 ,  B41J2/04595 ,  B41J2202/10

摘要： A liquid droplet ejecting apparatus having: a pressurizing device; a pressure generation chamber whose volume expands or contracts by a movement of the pressurizing device; a liquid droplet ejecting head having a nozzle communicating with the pressure generation chamber; and a drive signal generator which generates the drive signal for operating the pressurizing device, and causing to eject liquid droplets through the nozzle, wherein the drive signal comprises: an expansion pulse to expand the volume of the pressure generation chamber; a first contraction pulse following the expansion pulse to contract the volume; and a second contraction pulse after the first contraction pulse to contract the volume, wherein a pulse width of the expansion pulse is 0.7AL through 1.3AL, and a pulse width of the first contraction pulse is 0.3 AL through 1.5 AL, where AL is ½ of an acoustic resonance period of the pressure generation chamber.

摘要翻译： 一种液滴喷射装置，具有：加压装置; 通过加压装置的运动使体积膨胀或收缩的压力产生室; 具有与压力发生室连通的喷嘴的液滴喷射头; 以及驱动信号发生器，其产生用于操作加压装置的驱动信号，并且使液滴通过喷嘴喷射，其中驱动信号包括：膨胀脉冲，以膨胀压力产生室的体积; 扩张脉冲之后的第一收缩脉冲收缩体积; 以及在第一收缩脉冲之后的第二收缩脉冲以收缩体积，其中扩张脉冲的脉冲宽度为0.7AL至1.3AL，并且第一收缩脉冲的脉冲宽度为0.3AL至1.5AL，其中AL为½ 的压力产生室的声共振周期。

公开(公告)号：US08231194B2

公开(公告)日：2012-07-31

申请号：US12608221

申请日：2009-10-29

申请人： Akiko Kitami ,  Kazuo Asano

发明人： Akiko Kitami ,  Kazuo Asano

IPC分类号： B41J29/38

CPC分类号： B41J2/04596 ,  B41J2/04543 ,  B41J2/04581 ,  B41J2/04588 ,  B41J2202/10

摘要： An inkjet recording apparatus including: a recording head having a pressure chamber, and a pressure generation device to change a volume of the pressure chamber, wherein the recording head ejects an ink in the pressure chamber as an ink droplet from a nozzle by driving the pressure generation device based on drive signals; and a drive signal generating section to generate the drive signals, which include: an ejection pulse including a first pulse for expanding the volume of the pressure chamber and then contracting the volume; a preliminary pulse, to be applied immediately before the first pulse, for contracting the volume of the pressure chamber and then expanding the volume, and wherein the preliminary pulse is a rectangular wave having a pulse width of 2AL or greater, where AL is ½ of an acoustic resonance cycle period of a pressure wave in the pressure chamber.

摘要翻译： 一种喷墨记录装置，包括：具有压力室的记录头和用于改变压力室的体积的压力产生装置，其中记录头通过驱动压力从喷嘴喷出墨滴从喷嘴喷射在压力室中 基于驱动信号的发电装置; 以及驱动信号生成部，其生成所述驱动信号，所述驱动信号生成部包括：喷射脉冲，包括用于扩大所述压力室的体积然后收缩所述体积的第一脉冲; 在第一脉冲之前施加的初步脉冲，用于收缩压力室的体积，然后扩大体积，并且其中初步脉冲是脉冲宽度为2AL或更大的矩形波，其中AL为1/2 在压力室中的压力波的声共振周期。

公开(公告)号：US07226141B2

公开(公告)日：2007-06-05

申请号：US11042723

申请日：2005-01-24

申请人： Kazuo Asano ,  Akiko Kitami

发明人： Kazuo Asano ,  Akiko Kitami

IPC分类号： B41J2/01

CPC分类号： B41J29/393 ,  B41J2/04563 ,  B41J2/0458 ,  B41J2/04588 ,  B41J2/04596 ,  B41J2202/10

摘要： An inkjet recording apparatus having a head that ejects ink droplets, a temperature detector that detects temperatures in the vicinity of the head, and a drive waveform controller that generates a drive waveform driving the head, wherein the drive waveform controller changes, based on temperature information coming from the temperature detector, the amplitude as temperature changes, according to the expression V=EXP(A/T+B) wherein V represents an amplitude of the drive waveform, T represents the temperature and A and B represent a constant.

摘要翻译： 一种喷墨记录装置，具有喷射墨滴的喷头，检测喷头附近的温度的温度检测器和产生驱动喷头的驱动波形的驱动波形控制器，其中驱动波形控制器根据温度信息变化 根据V = EXP（A / T + B）式，V表示驱动波形的振幅，T表示温度，A和B表示常数，来自温度检测器的振幅随温度变化。