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1.发明申请公开(公告)号：US20130082569A1
公开(公告)日：2013-04-04
申请号：US13619729
申请日：2012-09-14
申请人： Atsuya HIRABAYASHI , Kunio TABATA , Atsushi OSHIMA , Hiroyuki YOSHINO , Noritaka IDE , Yasuhiro ONO
发明人： Atsuya HIRABAYASHI , Kunio TABATA , Atsushi OSHIMA , Hiroyuki YOSHINO , Noritaka IDE , Yasuhiro ONO
IPC分类号： H02N2/18
CPC分类号： H01L41/1136 , H02N2/181 , H02N2/188
摘要： A power generation unit includes: a deforming member adapted to deform while switching a deformation direction; a piezoelectric device provided to the deforming member, and having a pair of electrodes; a displacement sensor adapted to detect a deformation amount of the deforming member, and then output deformation amount information as information related to the deformation amount; an inductor electrically connected to the piezoelectric device; a switch disposed between the piezoelectric device and the inductor; and a switch control section adapted to control the switch so as to set the pair of electrodes to a shorted state for a predetermined period of time when the deformation amount exceeds a predetermined level.
摘要翻译： 发电单元包括：适于在切换变形方向时变形的变形构件; 设置在变形部件上的压电元件，具有一对电极; 位移传感器，适于检测变形构件的变形量，然后输出变形量信息作为与变形量有关的信息; 电感器，其电连接到所述压电器件; 设置在压电器件和电感器之间的开关; 以及开关控制部，其适于控制所述开关，以便在所述变形量超过预定水平时，将所述一对电极设定为短路状态达预定时间段。
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2.发明申请公开(公告)号：US20120126666A1
公开(公告)日：2012-05-24
申请号：US13298999
申请日：2011-11-17
IPC分类号： H02N2/18
CPC分类号： H02N2/181 , H01L41/1136 , H02N2/186
摘要： A power generating device which includes a transformation member that is transformed by receiving a transformation force in a transformation direction, a first piezoelectric device that is disposed on the transformation member, a second piezoelectric device that is disposed on the transformation member, an inductor comprising a resonance circuit including the first piezoelectric device, a switch that is disposed in the resonance circuit, and a control unit that controls the switch to be in a conductive state for a predetermined period by detecting a voltage generated in the second piezoelectric device as the second piezoelectric device is transformed in response to the transformation force being applied to the transformation member.
摘要翻译： 一种发电装置，包括通过接收变换方向的变换力而变形的变换构件，配置在变换构件上的第一压电装置，配置在变换构件上的第二压电装置，电感器，包括： 谐振电路，包括第一压电器件，布置在谐振电路中的开关，以及控制单元，其通过检测在第二压电器件中产生的电压作为第二压电器来控制开关处于导通状态一段预定时间段 响应于施加到转换构件的变换力而转换装置。
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公开(公告)号：US20130038654A1
公开(公告)日：2013-02-14
申请号：US13570867
申请日：2012-08-09
申请人： Hiroyuki YOSHINO , Kunio TABATA , Atsushi OSHIMA , Noritaka IDE
发明人： Hiroyuki YOSHINO , Kunio TABATA , Atsushi OSHIMA , Noritaka IDE
IPC分类号： B41J29/38
CPC分类号： B41J2/04541 , A61B17/3203 , A61B2017/00402 , A61B2017/32032 , B05B17/0653 , B41J2/04581 , B41J2/175
摘要： A liquid ejecting device includes a driving waveform signal generating circuit that generates a driving waveform signal, a modulation circuit that performs pulse modulation on the driving waveform signal to generate a modulation signal, a digital power amplifier that amplifies power of the modulation signal to generate a power amplification modulation signal in the form of a pulse wave, a filter that smoothes the power amplification modulation signal in the pulse wave to generate the driving signal, a connection cable that connects the filter to the capacitive load and is provided such that at least one of the filter and the capacitive load is detachable, a connection line information acquiring unit that acquires connection line information associated with the connection cable, and a frequency changing unit that changes a frequency when the modulation circuit performs the pulse modulation on the driving waveform signal, on the basis of the connection line.
摘要翻译： 液体喷射装置包括产生驱动波形信号的驱动波形信号产生电路，对驱动波形信号进行脉冲调制以产生调制信号的调制电路，放大调制信号的功率以产生调制信号的数字功率放大器 脉冲波形式的功率放大调制信号，使脉冲波中的功率放大调制信号平滑以产生驱动信号的滤波器，将滤波器连接到电容性负载的连接电缆，并提供至少一个 滤波器和容性负载可拆卸的连接线信息获取单元，其获取与连接电缆相关联的连接线信息;以及频率改变单元，其在调制电路对驱动波形信号执行脉冲调制时改变频率， 在连接线的基础上。
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公开(公告)号：US20100328379A1
公开(公告)日：2010-12-30
申请号：US12821324
申请日：2010-06-23
IPC分类号： B41J29/38
CPC分类号： B41J2/04588 , B41J2/0452 , B41J2/04541 , B41J2/04548 , B41J2/0457 , B41J2/04581 , B41J2/04593 , B41J2/04596
摘要： A fluid ejection device includes: a modulator adapted to pulse-modulate a drive waveform signal forming a basis of a drive signal of an actuator to obtain a modulated signal; a digital power amplifier circuit adapted to power-amplify the modulated signal to obtain a power-amplified modulated signal; a low pass filter adapted to smooth the power-amplified modulated signal to obtain the drive signal; and a power amplification stopping section operating when holding a voltage of the actuator constant.
摘要翻译： 流体喷射装置包括：调制器，适于脉冲调制形成致动器的驱动信号的基础的驱动波形信号以获得调制信号; 数字功率放大器电路，其适于对所述调制信号进行功率放大以获得功率放大调制信号; 低通滤波器，用于平滑功率放大调制信号以获得驱动信号; 以及在保持致动器的电压恒定时工作的功率放大停止部。
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公开(公告)号：US20100117732A1
公开(公告)日：2010-05-13
申请号：US12615744
申请日：2009-11-10
申请人： Kunio TABATA , Atsushi OSHIMA , Noritaka IDE , Shinichi MIYAZAKI , Hiroyuki YOSHINO , Nobuaki AZAMI
发明人： Kunio TABATA , Atsushi OSHIMA , Noritaka IDE , Shinichi MIYAZAKI , Hiroyuki YOSHINO , Nobuaki AZAMI
IPC分类号： H03F3/217
CPC分类号： H03F3/217 , B41J2/04541 , B41J2/04568 , B41J2/04581 , B41J2/04588 , B41J2/04593 , B41J2/04596
摘要： A power amplifier includes: a modulator pulse-modulating a drive waveform signal serving as a reference of a drive signal applied to actuators and outputting a modulated signal; a digital power amplifier amplifying the power of the modulated signal and outputting an amplified digital signal; a low pass filter smoothing the amplified digital signal and outputting the drive signal; and an inverse filter circuit being disposed at a front stage of the modulator and capable of obtaining a desired waveform precision of the drive signal even when a frequency characteristic of a filter including the low pass filter and an electrostatic capacitor of the actuators varies depending on the number of driven actuators, wherein the inverse filter circuits include a plurality of inverse filters connected in series.
摘要翻译： 功率放大器包括：调制器，用于对驱动波形信号进行脉冲调制，所述驱动波形信号用作施加到致动器的驱动信号的参考，并输出调制信号; 数字功率放大器，放大调制信号的功率并输出放大的数字信号; 低通滤波器平滑放大的数字信号并输出驱动信号; 并且反相滤波器电路设置在调制器的前级，并且即使当包括低通滤波器的滤波器和致动器的静电电容器的频率特性根据所述驱动信号的频率特性变化时，也能够获得所需的驱动信号的波形精度 驱动致动器的数量，其中逆滤波器电路包括串联连接的多个反相滤波器。
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公开(公告)号：US20100103213A1
公开(公告)日：2010-04-29
申请号：US12605480
申请日：2009-10-26
申请人： Noritaka IDE , Kunio TABATA , Shinichi MIYAZAKI , Atsushi OSHIMA , Hiroyuki YOSHINO , Nobuaki AZAMI
发明人： Noritaka IDE , Kunio TABATA , Shinichi MIYAZAKI , Atsushi OSHIMA , Hiroyuki YOSHINO , Nobuaki AZAMI
IPC分类号： B41J29/38
CPC分类号： B41J2/0459 , B41J2/04548 , B41J2/04573 , B41J2/04581 , B41J2/04588
摘要： A fluid ejection device that ejects fluid from an ejection port includes: a drive element that ejects fluid in accordance with a difference between voltages applied to a first terminal and a second terminal; a drive voltage waveform storing unit that stores a drive voltage waveform applied to the drive element; a plurality of power supplies each having a different voltage; and a drive voltage waveform applying unit that applies the drive voltage waveform to the drive element by switching among the plurality of power supplies connected to the first and second terminals of the drive element.
摘要翻译： 从喷射口喷出流体的流体喷射装置包括：驱动元件，其根据施加到第一端子和第二端子的电压之间的差异喷射流体; 驱动电压波形存储单元，其存储施加到驱动元件的驱动电压波形; 多个电源，每个电源具有不同的电压; 以及驱动电压波形施加单元，其通过在连接到驱动元件的第一和第二端子的多个电源之间切换来向驱动元件施加驱动电压波形。
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公开(公告)号：US20100103212A1
公开(公告)日：2010-04-29
申请号：US12605466
申请日：2009-10-26
申请人： Kunio TABATA , Nobuaki AZAMI , Hiroyuki YOSHINO , Shinichi MIYAZAKI , Atsushi OSHIMA , Noritaka IDE
发明人： Kunio TABATA , Nobuaki AZAMI , Hiroyuki YOSHINO , Shinichi MIYAZAKI , Atsushi OSHIMA , Noritaka IDE
IPC分类号： B41J29/38
CPC分类号： B41J2/0459 , B41J2/04548 , B41J2/04573 , B41J2/04581 , B41J2/04588
摘要： A fluid ejection device configured to eject fluid from an ejection port includes a driving element that pressurizes the fluid and causes it to be ejected from the ejection port by being driven according to a voltage applied thereto. A driving voltage waveform selecting unit selects a driving voltage waveform to be applied to the driving element from among a plurality of types of the stored driving voltage waveforms. Power sources set the voltage to be outputted. A power source voltage determining unit determines voltages to be set to the power sources on the basis of the selected driving voltage waveform. A driving voltage waveform applying unit applies the selected driving voltage waveform to the driving element by setting the determined voltages to the power sources and connecting the power sources to the driving element while switching the same.
摘要翻译： 构造成从喷射口喷射流体的流体喷射装置包括驱动元件，该驱动元件对流体进行加压，并通过根据施加到喷射口的电压被驱动而从喷射口喷射。 驱动电压波形选择单元从多种存储的驱动电压波形中选择施加到驱动元件的驱动电压波形。 电源设置要输出的电压。 电源电压确定单元基于所选择的驱动电压波形确定要设置到电源的电压。 驱动电压波形施加单元通过将确定的电压设置到电源并将电源连接到驱动元件而将所选择的驱动电压波形施加到驱动元件，同时切换该驱动电压波形。
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公开(公告)号：US20100102882A1
公开(公告)日：2010-04-29
申请号：US12605475
申请日：2009-10-26
申请人： Hiroyuki YOSHINO , Nobuaki AZAMI , Shinichi MIYAZAKI , Kunio TABATA , Atsushi OSHIMA , Noritaka IDE
发明人： Hiroyuki YOSHINO , Nobuaki AZAMI , Shinichi MIYAZAKI , Kunio TABATA , Atsushi OSHIMA , Noritaka IDE
IPC分类号： H03F3/217
CPC分类号： B41J2/14274 , B41J2/04541 , B41J2/04581 , B41J2/04588
摘要： An electric load driving circuit for driving an electric load having a capacity component includes a plurality of power sources generating different voltages, capacitors provided parallel to the plurality of power sources, a switch control unit that switches connections between the capacitors and the electric load and thereby switching a voltage applied to the electric load, discharge paths that enable discharging electric charge stored in the capacitor, and a discharge control unit that controls a quantity of electric charge discharged from the discharge paths.
摘要翻译： 用于驱动具有电容分量的电负载的电负载驱动电路包括产生不同电压的多个电源，与多个电源并联设置的电容器，切换电容器与电负载之间的连接的开关控制单元 切换施加到电负载的电压，能够放电存储在电容器中的电荷的放电路径;以及放电控制单元，其控制从放电路径排出的电荷量。
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公开(公告)号：US20110254887A1
公开(公告)日：2011-10-20
申请号：US13084707
申请日：2011-04-12
CPC分类号： B41J29/38 , B41J2/04541 , B41J2/04568 , B41J2/04573 , B41J2/04581 , B41J2/04588 , B41J2/04593
摘要： A capacitive load driving device includes a drive waveform generator that generates a drive waveform signal, a subtractor that outputs a difference signal between the drive waveform signal and a feedback signal, a modulator that pulse-modulates the difference signal to output a modulated signal, a digital power amplifier that amplifies the modulated signal to output an amplified digital signal, a low pass filter that smoothes the amplified digital signal to output a drive signal for a capacitive load, a feedback circuit that outputs the feedback signal obtained from the drive signal, and an adjusting section that adjusts frequency characteristics of the feedback circuit based on capacitance of the capacitive load to be driven.
摘要翻译： 容性负载驱动装置包括产生驱动波形信号的驱动波形发生器，输出驱动波形信号和反馈信号之间的差分信号的减法器，对差分信号进行脉冲调制以输出调制信号的调制器， 数字功率放大器，其放大调制信号以输出放大的数字信号;低通滤波器，其使放大的数字信号平滑以输出用于容性负载的驱动信号;反馈电路，输出从驱动信号获得的反馈信号，以及 调整部，其基于要驱动的电容性负载的电容来调整反馈电路的频率特性。
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10.发明申请CAPACITIVE LOAD DRIVING CIRCUIT, INK JET PRINTER, AND FLUID EJECTING APPARATUS 有权电容式负载驱动电路，喷墨打印机和流体喷射装置公开(公告)号：US20110242172A1
公开(公告)日：2011-10-06
申请号：US13075429
申请日：2011-03-30
CPC分类号： B41J2/0455 , A61B17/3203 , B41J2/04541 , B41J2/04581 , B41J2/04588 , B41J2/04593 , B41J2/04596
摘要： A capacitive load driving circuit includes: a drive waveform signal generator that generates a drive waveform signal; a subtractor that outputs a differential signal between the drive waveform signal and a feedback signal; a modulator that pulse-modulates the differential signal and outputs a modulated signal; a digital power amplifier that amplifies the power of the modulated signal and outputs a power-amplified modulated signal; a smoothing filter that smoothes the power-amplified modulated signal, and outputs a drive signal of the capacitive load; a compensator that causes a phase to precede the drive signal; and an attenuator that attenuates signal amplitude in a band at least including a modulation frequency of the modulated signal. A signal output from a connecting point between the inductor and the wire is made to pass through the compensator and the attenuator and is then used as a feedback signal to the subtractor.
摘要翻译： 电容性负载驱动电路包括：驱动波形信号发生器，其产生驱动波形信号; 减法器，其在所述驱动波形信号和反馈信号之间输出差分信号; 调制器，对所述差分信号进行脉冲调制并输出调制信号; 数字功率放大器，其放大调制信号的功率并输出功率放大调制信号; 平滑滤波器，其对功率放大调制信号进行平滑，并输出电容性负载的驱动信号; 使相位超前于驱动信号的补偿器; 以及衰减器，其衰减至少包括调制信号的调制频率的频带中的信号幅度。 从电感器和导线之间的连接点输出的信号通过补偿器和衰减器，然后被用作到减法器的反馈信号。
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