公开(公告)号：US07064517B2

公开(公告)日：2006-06-20

申请号：US10997916

申请日：2004-11-29

申请人： Mitsuyuki Kiuchi ,  Masahiro Suzuki ,  Hideki Nakata ,  Kaneharu Yoshioka

发明人： Mitsuyuki Kiuchi ,  Masahiro Suzuki ,  Hideki Nakata ,  Kaneharu Yoshioka

IPC分类号： H02P27/04

CPC分类号： H02P6/08 ,  A47L15/0052 ,  A47L15/4225 ,  H02P6/21

摘要： An apparatus for driving a motor of a dishwasher includes an AC power source, a rectification circuit for converting an AC power from the AC power source to a DC power, an inverter circuit for converting the DC power from the rectification circuit to an AC power, a motor driven by the inverter circuit to drive a wash pump and/or a drain pump, a current detector for detecting an output current of the inverter circuit, and a controller for performing a PWM (pulse width modulation) control of the inverter circuit based on an output signal of the current detector to thereby control the motor to rotate at a set rotation speed. A phase difference between an output voltage and the output current of the inverter circuit or a reactive current is controlled to have a predetermined value.

摘要翻译： 一种用于驱动洗碗机的电动机的装置，包括AC电源，用于将来自AC电源的AC电力转换为DC电力的整流电路，将来自整流电路的DC电力转换为AC电力的逆变器电路， 由逆变器电路驱动的驱动洗涤泵和/或排水泵的电动机，用于检测逆变器电路的输出电流的电流检测器，以及用于以逆变器电路为基础的PWM（脉宽调制）控制的控制器 在电流检测器的输出信号上，由此控制马达以设定的转速旋转。 输出电压与逆变器电路的输出电流或无功电流之间的相位差被控制为具有预定值。

公开(公告)号：US20060038750A1

公开(公告)日：2006-02-23

申请号：US11140744

申请日：2005-06-01

申请人： Manabu Inoue ,  Satoshi Ikeda ,  Yasuhiro Arai ,  Hideki Nakata

发明人： Manabu Inoue ,  Satoshi Ikeda ,  Yasuhiro Arai ,  Hideki Nakata

IPC分类号： G09G3/28

CPC分类号： G09G3/294 ,  G09G3/2927 ,  G09G3/296 ,  G09G2330/028

摘要： A driving apparatus of a plasma display panel includes a sustain generator section that sustains sustain electrodes at a specific potential (ground potential) and applies alternately a first positive pulse voltage and a first negative pulse voltage to scan electrodes, as a sustain pulse voltage, during a sustain period, and an address voltage generator that applies a voltage changing temporally to address electrodes. The address voltage generator applies a second pulse voltage with a predetermined polarity to the address electrode in synchronization with a pulse with the same polarity as the second pulse voltage out of sustain pulse voltages during the sustain period.

摘要翻译： 等离子体显示面板的驱动装置包括：将维持电极维持在特定电位（接地电位）的维持发生部，并将第一正脉冲电压和第一负脉冲电压交替施加到扫描电极作为维持脉冲电压 一个维持周期，以及一个地址电压发生器，其施加电压在时间上改变到寻址电极。 地址电压发生器在维持期间与维持脉冲电压以外的与第二脉冲电压极性相同的脉冲同步地向寻址电极施加预定极性的第二脉冲电压。

公开(公告)号：US20050285820A1

公开(公告)日：2005-12-29

申请号：US11098731

申请日：2005-04-04

申请人： Manabu Inoue ,  Satoshi Ikeda ,  Yasuhiro Arai ,  Toshikazu Nagaki ,  Hideki Nakata ,  Jumpei Hashiguchi ,  Fumito Kusama

发明人： Manabu Inoue ,  Satoshi Ikeda ,  Yasuhiro Arai ,  Toshikazu Nagaki ,  Hideki Nakata ,  Jumpei Hashiguchi ,  Fumito Kusama

IPC分类号： G09G3/20 ,  G09G3/292 ,  G09G3/293 ,  G09G3/294 ,  G09G3/296 ,  G09G3/298 ,  G09G3/28

CPC分类号： G09G3/2927 ,  G09G3/293 ,  G09G3/294 ,  G09G3/2965 ,  G09G3/298 ,  G09G2310/066

摘要： A reset pulse generating section applies the total of voltages of a positive voltage source and two constant-voltage sources from a high side ramp wave generating section to a high side scan switching device as the upper limit of a reset voltage pulse, and applies the ground potential from a low side ramp wave generating section to a low side scan switching device as the lower limit of the reset voltage pulse. A sustaining pulse generating section applies the upper and lower limits of a sustaining voltage pulse through a common sustaining pulse transmission path to the low side scan switching device.

摘要翻译： 复位脉冲发生部将来自高侧斜波生成部的正电压源和两个恒定电压源的电压的总和作为复位电压脉冲的上限施加到高侧扫描开关器件，并施加接地 作为复位电压脉冲的下限，从低侧斜波生成部向低侧扫描切换装置的电位。 维持脉冲发生部通过公共维持脉冲传输路径将维持电压脉冲的上限和下限施加到低侧扫描切换装置。

公开(公告)号：US06278666B1

公开(公告)日：2001-08-21

申请号：US09161019

申请日：1998-09-25

申请人： Hideki Nakata ,  Hideki Aikoh ,  Yutaka Murakami ,  Kenichi Miyamori

发明人： Hideki Nakata ,  Hideki Aikoh ,  Yutaka Murakami ,  Kenichi Miyamori

IPC分类号： G11B1100

CPC分类号： G11B11/10554 ,  G11B11/10534

摘要： In the magneto-optical disk recording and reproducing device, a coil 26a, which serves as a magnetomotive force source is located in the peripheral region of the object lens 5a. A yoke 27a that is a magnetic flux inducing means made of magnetic material serves as the object lens holder. According to this magneto-optical disk recording and reproducing device, even if the object lens is displaced in the radial direction of the information recording medium due to the decentering of the information recording medium or the like, the dislocation of the yoke and coil relative to the object lens is inhibited, stable magnetic field strength is maintained, highly precise recording can be realized, and devices having a small size and thin shape can be realized.

摘要翻译： 在磁光盘记录和再现装置中，用作磁动势源的线圈26a位于物镜5a的周边区域中。 作为由磁性材料制成的磁通诱导装置的轭27a用作物镜保持器。 根据这种磁光盘记录和再现装置，即使由于信息记录介质等的偏心而使物镜在信息记录介质的径向移位，因此轭和线圈相对于 物镜被禁止，保持稳定的磁场强度，可以实现高精度的记录，并且可以实现具有小尺寸和薄形状的装置。

公开(公告)号：US08570845B2

公开(公告)日：2013-10-29

申请号：US13635503

申请日：2011-03-18

申请人： Hideki Nakata ,  Hidenori Wada ,  Masahito Nakao

发明人： Hideki Nakata ,  Hidenori Wada ,  Masahito Nakao

IPC分类号： G11B7/12

CPC分类号： G11B7/1381 ,  G11B7/0909 ,  G11B7/1275 ,  G11B7/131 ,  G11B7/1384 ,  G11B2007/0013

摘要： There are provided an optical head and an optical information device capable of downsizing the optical head, and capable of improving the qualities of a focus error signal, a tracking error signal, and a reproduction signal. A light detector (120) includes a light-receiving unit (121) for receiving a reflected light beam from an optical disc, and a package (125) for covering the light-receiving unit (121). The package (125) has a plurality of light guides (124) formed on a light-receiving surface on the light beam incident side of the light-receiving unit (121), and for guiding a reflected light beam to the light-receiving unit (121), and a light shield (114) for shielding a region except for a plurality of the light guides (124) from light.

摘要翻译： 提供了一种能够使光学头小型化并且能够提高聚焦误差信号，跟踪误差信号和再现信号的质量的光学头和光学信息装置。 光检测器（120）包括用于接收来自光盘的反射光束的光接收单元（121）和用于覆盖光接收单元（121）的封装（125）。 该封装体（125）具有形成在受光单元（121）的光束入射侧的受光面上的多个导光体（124），用于将反射光束导向光接收部 （121），以及用于屏蔽除了多个光导（124）之外的区域的光的遮光罩（114）。

公开(公告)号：US20130141027A1

公开(公告)日：2013-06-06

申请号：US13810340

申请日：2012-04-23

申请人： Hideki Nakata

发明人： Hideki Nakata

IPC分类号： H02P6/08

CPC分类号： H02P6/08 ,  B60L15/2045 ,  B60L2270/142 ,  H02P6/085 ,  H02P6/15 ,  H02P27/08 ,  Y02T10/644 ,  Y02T10/645 ,  Y02T10/72 ,  Y02T10/7283

摘要： A motor drive system comprising: an inverter that supplies power to a three-phase motor; and a control unit that controls switching elements of upper and lower arms included in the inverter by switching between supply control of controlling the switching elements so that alternating current is supplied to three phases of the three-phase motor and suspension control of controlling the switching elements so that the supply of current is stopped. The suspension control involves: putting and keeping, in a conduction state, a switching element of at least one upper arm each corresponding to one of one or more phases through which current flows in a direction entering the three-phase motor at a timing at which the supply of current is stopped, and putting and keeping switching elements of rest of the upper arms and switching elements of lower arms in a non-conduction state.

摘要翻译： 一种电动机驱动系统，包括：向三相电动机供电的逆变器; 以及控制单元，其通过切换控制开关元件的供给控制来控制逆变器中的上下臂的开关元件，从而将三相电动机的三相交流供给到控制开关元件的三相 使得电流的供应停止。 悬架控制包括：在导通状态下放置和保持至少一个上臂的开关元件，每个至少一个上臂对应于在进入三相电动机的方向上流过电流的一个或多个相中的一个， 电流的供给停止，将上臂的其余部分和下臂的开关元件放置并保持在非导通状态。

公开(公告)号：US08427928B2

公开(公告)日：2013-04-23

申请号：US12933899

申请日：2010-01-26

申请人： Hideki Nakata ,  Kousei Sano ,  Takashi Haruguchi ,  Osamu Kajino

发明人： Hideki Nakata ,  Kousei Sano ,  Takashi Haruguchi ,  Osamu Kajino

IPC分类号： G11B7/135 ,  G11B7/00 ,  G11B20/18

CPC分类号： G11B7/0909 ,  G11B7/131 ,  G11B7/1378 ,  G11B7/22 ,  G11B2007/0013

摘要： An optical head 200 comprises: a light source 101 that emits a light beam; an objective lens 105 that condenses, in the form of converging light, the light beam emitted by the light source 101, onto an information recording medium; a cylindrical lens 115 onto which a reflected light beam that is reflected by the information recording medium is incident, and which generates astigmatism for forming a focus error signal; a light detector 120 that receives the reflected light beam passing through the cylindrical lens 115; and a holder 130 that holds the cylindrical lens 115 and the light detector 120. The holder 130 has a first main face and a second main face that extend in directions that intersect the optical axis of the reflected light beam. The cylindrical lens 115 is bonded to the first main face and the light detector 120 is bonded to the second main face.

摘要翻译： 光头200包括：发射光束的光源101; 以会聚光的形式将由光源101发射的光束会聚到信息记录介质上的物镜105; 由信息记录介质反射的反射光束入射到其上的柱面透镜115，并产生用于形成聚焦误差信号的像散; 接收通过柱面透镜115的反射光束的光检测器120; 以及保持柱面透镜115和光检测器120的保持器130.保持器130具有在与反射光束的光轴相交的方向上延伸的第一主面和第二主面。 柱面透镜115与第一主面接合，光检测器120与第二主面接合。

公开(公告)号：US20130010584A1

公开(公告)日：2013-01-10

申请号：US13635503

申请日：2011-03-18

申请人： Hideki Nakata ,  Hidenori Wada ,  Masahito Nakao

发明人： Hideki Nakata ,  Hidenori Wada ,  Masahito Nakao

IPC分类号： G11B7/135 ,  G11B7/1395 ,  G11B7/13 ,  G11B7/1374 ,  G11B7/1378

CPC分类号： G11B7/1381 ,  G11B7/0909 ,  G11B7/1275 ,  G11B7/131 ,  G11B7/1384 ,  G11B2007/0013

摘要： There are provided an optical head and an optical information device capable of downsizing the optical head, and capable of improving the qualities of a focus error signal, a tracking error signal, and a reproduction signal. A light detector (120) includes a light-receiving unit (121) for receiving a reflected light beam from an optical disc, and a package (125) for covering the light-receiving unit (121). The package (125) has a plurality of light guides (124) formed on a light-receiving surface on the light beam incident side of the light-receiving unit (121), and for guiding a reflected light beam to the light-receiving unit (121), and a light shield (114) for shielding a region except for a plurality of the light guides (124) from light.

摘要翻译： 提供了一种能够使光学头小型化并且能够提高聚焦误差信号，跟踪误差信号和再现信号的质量的光学头和光学信息装置。 光检测器（120）包括用于接收来自光盘的反射光束的光接收单元（121）和用于覆盖光接收单元（121）的封装（125）。 该封装体（125）具有形成在受光单元（121）的光束入射侧的受光面上的多个导光体（124），用于将反射光束导向光接收部 （121），以及用于屏蔽除了多个光导（124）之外的区域的光的遮光罩（114）。

公开(公告)号：US20120151508A1

公开(公告)日：2012-06-14

申请号：US13391483

申请日：2010-07-30

申请人： Yoshiaki Komma ,  Joji Anzai ,  Yasumori Hino ,  Kousei Sano ,  Hideki Nakata ,  Keisuke Fujimoto ,  Takeharu Yamamoto ,  Takeshi Shimamoto

发明人： Yoshiaki Komma ,  Joji Anzai ,  Yasumori Hino ,  Kousei Sano ,  Hideki Nakata ,  Keisuke Fujimoto ,  Takeharu Yamamoto ,  Takeshi Shimamoto

IPC分类号： G11B7/1374 ,  G11B17/028 ,  G11B7/1353

CPC分类号： G11B7/1381 ,  G11B7/1275 ,  G11B2007/0006 ,  G11B2007/0013

摘要： When information is recorded or reproduced on or from an optical information medium having three or more recording layers using blue light, interference by another layer light is reduced and, when information is reproduced from an optical information medium using red light, an S/N ratio is held excellently high.An optical head device includes a first laser light source (1) which emits blue light, a second laser light source (2) which emits red light, an objective lens (11) which focuses the blue light onto a recording layer of a first optical disc (12) or focuses the red light onto a recording layer of a second optical disc (13), a photodetector (9) which receives the blue light reflected by the recording layer of the first optical disc (12) or the red light reflected by the recording layer of the second optical disc (13) and outputs an electric signal in accordance with an amount of the received blue light or red light, and a wavelength selective light blocking region (7x) which blocks a predetermined range of the blue light including an optical axis thereof to prevent the predetermined range from reaching the photodetector (9), and transmits the red light.

摘要翻译： 当使用蓝光在具有三个或更多个记录层的光信息介质上记录或再现信息时，减少了另一层光的干扰，并且当使用红光从光信息介质再现信息时，S / N比 举办得非常高。 光头装置包括发射蓝光的第一激光光源（1），发出红光的第二激光光源（2），将蓝光聚焦到第一光学记录层上的物镜（11） 盘（12）或将红光聚焦到第二光盘（13）的记录层上，接收由第一光盘（12）的记录层反射的蓝光的光电检测器（9）或反射的红光 通过第二光盘（13）的记录层，并根据所接收的蓝光或红光的量输出电信号，以及阻挡蓝光的预定范围的波长选择性遮光区域（7x） 包括其光轴以防止预定范围到达光电检测器（9），并发送红光。

公开(公告)号：US08130600B2

公开(公告)日：2012-03-06

申请号：US12438156

申请日：2007-10-09

申请人： Hideki Nakata ,  Masayuki Shiwa

发明人： Hideki Nakata ,  Masayuki Shiwa

IPC分类号： G11B7/00 ,  G11B7/085

CPC分类号： G11B7/1275 ,  G11B7/0948 ,  G11B7/13927 ,  G11B2007/0006

摘要： A spherical aberration correction mechanism 30 includes a lens holder 35 that holds a collimator lens 16, a main shaft 36a that supports the lens holder 35 in a linearly movable manner, a lead screw 34 supported in a rotatable manner and provided with a screw thread formed of a first slope and a second slope each in a spiral shape on an outer circumference thereof, and a stepping motor 13 that rotates the lead screw 34. The lens holder 35 includes a rack portion 41 disposed between the main shaft 36a and the lead screw 34 and having a slope that abuts on the first slope and first and second stoppers 46a and 46b that regulate a relative position of the rack portion 41 with respect to the lead screw 34 so that the rack portion 41 does not abut on the second slope.

摘要翻译： 球面像差校正机构30包括保持准直透镜16的透镜保持器35，以直线移动的方式支撑透镜保持件35的主轴36a，以可旋转方式支撑并设置有螺纹的导螺杆34 第一斜面和第二斜面在其外圆周上具有螺旋形状;以及步进马达13，其使丝杠34旋转。透镜保持器35包括设置在主轴36a和导螺杆之间的齿条部分41 并且具有与第一斜坡抵接的斜面，以及调节齿条部41相对于导螺杆34的相对位置使得齿条部41不与第二斜面抵接的第一和第二止挡件46a和46b。