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    Power converter device and driving method thereof
    21.
    发明授权
    Power converter device and driving method thereof 有权
    电力变换装置及其驱动方法

    公开(公告)号：US08953345B2

    公开(公告)日：2015-02-10

    申请号：US13503675

    申请日：2010-05-26

    Applicant: Takushi Jimichi ,  Satoshi Azuma

    Inventor： Takushi Jimichi ,  Satoshi Azuma

    IPC: H02M5/458 ,  H02M7/538

    CPC classification number: H02M7/53803 ,  H02M7/53873 ,  H02M2001/0025

    Abstract: A leg includes: two semiconductor device groups connected in series and a division current is generated in a current which flows in the semiconductor device group between elements in the semiconductor device groups, a current sensor which detects a current which flows in the semiconductor device group, a voltage command generation unit which calculates a voltage command value to be outputted, a voltage drop calculating unit which calculates a voltage drop of the semiconductor device group by using a current value which is detected by the current sensor and voltage drop characteristics including a division characteristic of the semiconductor device group, and a switching control unit which corrects a voltage command value which is generated by the voltage command generation unit by using the voltage drop which is calculated so as to control ON/OFF of the switching element.

    Abstract translation: 一个腿包括：串联连接的两个半导体器件组，并且在半导体器件组中的元件之间的半导体器件组中的电流中产生分流电流，检测在半导体器件组中流动的电流的电流传感器， 计算要输出的电压指令值的电压指令产生单元，使用由电流传感器检测的电流值和包括分频特性的电压降特性来计算半导体器件组的电压降的电压降计算单元 以及开关控制单元，其通过使用被计算以控制开关元件的接通/断开的电压降来校正由电压指令生成单元生成的电压指令值。

    Electric motor driving apparatus having failure detection circuit, and failure detection method for the electric motor driving apparatus having failure detection circuit
    22.
    发明授权
    Electric motor driving apparatus having failure detection circuit, and failure detection method for the electric motor driving apparatus having failure detection circuit 有权
    具有故障检测电路的电动机驱动装置，以及具有故障检测电路的电动机驱动装置的故障检测方法

    公开(公告)号：US08878477B2

    公开(公告)日：2014-11-04

    申请号：US13738213

    申请日：2013-01-10

    Applicant: Kosuke Nakano ,  Tetsuya Kojima ,  Satoshi Azuma ,  Isao Kezobo ,  Ryuichi Takiguchi

    Inventor： Kosuke Nakano ,  Tetsuya Kojima ,  Satoshi Azuma ,  Isao Kezobo ,  Ryuichi Takiguchi

    IPC: H02P1/00 ,  H02P27/08 ,  H02P5/00

    CPC classification number: H02K11/001 ,  H02M7/5395 ,  H02M2001/0009 ,  H02P27/08 ,  H02P29/0241

    Abstract: An electric motor driving apparatus having a failure detection circuit includes: a bridge circuit driving an electric motor; a PWM control circuit generating voltage instruction for driving the electric motor; a PWM signal generation circuit generating a PWM signal; a DC current detection circuit detecting DC current of the bridge circuit; a phase current calculation circuit calculating output phase current of the bridge circuit, based on the DC current and PWM signal; and a failure detection circuit detecting failure of the DC current detection circuit. The failure detection circuit determines failure of the DC current detection circuit from the DC current detected values in a zero voltage period in which the high-potential-side arms of the bridge circuit are all ON and in a zero voltage period in which the low-potential-side arms are all ON.

    Abstract translation: 具有故障检测电路的电动机驱动装置包括：驱动电动机的桥式电路; 产生用于驱动电动机的电压指令的PWM控制电路; 产生PWM信号的PWM信号产生电路; 直流电流检测电路，检测桥式电路的直流电流; 基于直流电流和PWM信号计算桥式电路的输出相电流的相电流计算电路; 以及检测直流电流检测电路的故障的故障检测电路。 故障检测电路根据桥电路的高电位侧臂全部为ON的零电压期间的直流电流检测值和低电压周期的零电压期间，确定直流电流检测电路的故障， 潜在手臂全部打开。

    INK-JET PRINTING APPARATUS AND INK STAIN DETECTION METHOD IN THE SAME
    25.
    发明申请
    INK-JET PRINTING APPARATUS AND INK STAIN DETECTION METHOD IN THE SAME 有权
    INK-JET印刷设备和墨水检测方法

    公开(公告)号：US20130010025A1

    公开(公告)日：2013-01-10

    申请号：US13524214

    申请日：2012-06-15

    Applicant: Kei Kosaka ,  Yoshiaki Murayama ,  Satoshi Azuma ,  Makoto Torigoe

    Inventor： Kei Kosaka ,  Yoshiaki Murayama ,  Satoshi Azuma ,  Makoto Torigoe

    IPC: B41J29/38

    CPC classification number: B41J11/0095 ,  B41J29/17

    Abstract: An apparatus includes a printing unit configured to eject ink from a print head onto a sheet conveyed in a direction to perform printing on the sheet; a conveying unit configured to be provided on a downstream side of the print head in the direction, and configured to include a rotating member in contact with the sheet; and a reading unit configured to read a surface of the sheet on a downstream side of the rotating member in the direction, in which information on ink adhesion to the rotating member is obtained based on a result read by the reading unit.

    Abstract translation: 一种设备包括：打印单元，其被配置为将墨从打印头喷射到在纸张上执行打印方向传送的纸张上; 输送单元，其构造成沿所述方向设置在所述打印头的下游侧，并且构造成包括与所述片材接触的旋转构件; 以及读取单元，被配置为基于由读取单元读取的结果，沿着旋转构件的油墨粘附的信息的方向读取旋转构件的下游侧的薄片的表面。

    PRINTING APPARATUS AND METHOD FOR CONTROLLING PRINTING APPARATUS
    26.
    发明申请
    PRINTING APPARATUS AND METHOD FOR CONTROLLING PRINTING APPARATUS 审中-公开
    印刷装置和控制印刷装置的方法

    公开(公告)号：US20120069067A1

    公开(公告)日：2012-03-22

    申请号：US12963664

    申请日：2010-12-09

    Applicant: Makoto Torigoe ,  Shigeyasu Nagoshi ,  Yoshiaki Murayama ,  Satoshi Azuma ,  Kei Kosaka

    Inventor： Makoto Torigoe ,  Shigeyasu Nagoshi ,  Yoshiaki Murayama ,  Satoshi Azuma ,  Kei Kosaka

    IPC: B41J29/38 ,  G06K15/02

    CPC classification number: B41J2/2132

    Abstract: According to the present invention, each printing head includes chips wherein a plurality of nozzles are prepared. The density of dots formed by ejecting ink from the nozzles is detected for each chip, and when a density difference between the chips is smaller than a predetermined value, print data are corrected, and the number of dots is adjusted so as to reduce the density difference. When the density difference is equal to or greater than the predetermined value, first, a drive pulse for the nozzles is modulated and the volume of ink to be ejected for one dot is adjusted so as to reduce the density difference. Thereafter, the print data is corrected, and the number of dots to be formed is controlled so as to reduce the density difference.

    Abstract translation: 根据本发明，每个打印头包括其中准备了多个喷嘴的芯片。 针对每个芯片检测从喷嘴喷射墨水形成的点的密度，并且当芯片之间的浓度差小于预定值时，校正打印数据，并且调整点数以便降低密度 区别。 当浓度差等于或大于预定值时，首先调节用于喷嘴的驱动脉冲，并且调节用于一个点的要喷射的墨的体积，以便减小密度差。 此后，校正打印数据，并且控制要形成的点数以便减小密度差。

    INKJET PRINTING APPARATUS
    27.
    发明申请
    INKJET PRINTING APPARATUS 有权
    喷墨打印设备

    公开(公告)号：US20110298849A1

    公开(公告)日：2011-12-08

    申请号：US12964085

    申请日：2010-12-09

    Applicant: Yoshiaki Murayama ,  Takeshi Murase ,  Masao Kato ,  Shigeyasu Nagoshi ,  Minoru Teshigawara ,  Minako Kato ,  Susumu Hirosawa ,  Yutaka Kano ,  Satoshi Azuma ,  Kentarou Muro

    Inventor： Yoshiaki Murayama ,  Takeshi Murase ,  Masao Kato ,  Shigeyasu Nagoshi ,  Minoru Teshigawara ,  Minako Kato ,  Susumu Hirosawa ,  Yutaka Kano ,  Satoshi Azuma ,  Kentarou Muro

    IPC: B41J29/38

    CPC classification number: B41J25/001 ,  B41J2/2146 ,  B41J2002/17569

    Abstract: In a line-head type inkjet printing apparatus that ejects a plurality of types of inks, an inkjet printing apparatus is provided in which the change of its ejection properties different depending on the type of ink is prevented from occurring. The line-head type printing apparatus includes an acquisition unit that counts the ejection number of liquid from each of print heads in each of a plurality of print heads. Furthermore, the printing apparatus compares the ejection number of liquid from each of the print heads counted by the acquisition unit with a threshold value set for each of the print heads. The printing apparatus includes a change unit that can move a holder in the main scanning direction when the counted ejection number of liquid exceeds the threshold value set for the print head.

    Abstract translation: 在喷射多种油墨的线头型喷墨打印设备中，提供了一种喷墨打印设备，其中防止其喷墨性能的变化根据墨水的类型而不同。 行头式打印装置包括：采集单元，其计算多个打印头中的每一个中的每个打印头的液体的喷射次数。 此外，打印装置将由获取单元计数的每个打印头的液体的喷射次数与为每个打印头设置的阈值进行比较。 打印装置包括当所计数的液体喷射数量超过为打印头设定的阈值时能够沿主扫描方向移动保持器的改变单元。

    AC-DC CONVERTER AND COMPRESSOR DRIVING APPARATUS AND AIR CONDITIONING APPARATUS USING THE SAME
    29.
    发明申请
    AC-DC CONVERTER AND COMPRESSOR DRIVING APPARATUS AND AIR CONDITIONING APPARATUS USING THE SAME 有权
    AC-DC转换器和压缩机驱动装置及其使用的空调装置

    公开(公告)号：US20110019452A1

    公开(公告)日：2011-01-27

    申请号：US12673668

    申请日：2007-08-29

    Applicant: Yosuke Shinomoto ,  Kazunori Sakanobe ,  Hideki Takahara ,  Isao Kawasaki ,  Satoshi Azuma

    Inventor： Yosuke Shinomoto ,  Kazunori Sakanobe ,  Hideki Takahara ,  Isao Kawasaki ,  Satoshi Azuma

    IPC: H02M7/06

    CPC classification number: H02M1/4208 ,  H02M7/217 ,  Y02B70/126

    Abstract: An AC-DC converter is provided which suppresses a harmonic current and improves power factor at low cost. Such an AC-DC converter includes a rectifier connected to an AC power supply via a reactor, capacitors connected in series across the output terminals of the rectifier, a first bidirectional switch having one end connected to one input terminal of the rectifier and the other end connected to a connecting point of capacitors, a second bidirectional switch having one end connected to the other input terminal of the rectifier and the other end connected to the other end of the first bidirectional switch, and a control circuit for actuating the first and second bidirectional switches during a half cycle of the AC power supply so as to control a voltage inputted to the rectifier to a desired output voltage.

    Abstract translation: 提供一种AC-DC转换器，其抑制谐波电流并以低成本提高功率因数。 这样的AC-DC转换器包括经由电抗器连接到AC电源的整流器，跨过整流器的输出端串联连接的电容器，第一双向开关，其一端连接到整流器的一个输入端子，另一端 连接到电容器的连接点，第二双向开关，其一端连接到整流器的另一输入端，另一端连接到第一双向开关的另一端;以及控制电路，用于致动第一和第二双向 在交流电源的半周期期间切换，以将输入到整流器的电压控制到期望的输出电压。

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