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    Solid state current sensing circuit and protection circuit
    3.
    发明授权
    Solid state current sensing circuit and protection circuit 失效
    固态电流检测电路和保护电路

    公开(公告)号：US5008586A

    公开(公告)日：1991-04-16

    申请号：US302340

    申请日：1989-01-27

    申请人： Hideki Miyazaki ,  Akihiko Kanouda ,  Kenichi Onda ,  Yasuo Matsuda

    发明人： Hideki Miyazaki ,  Akihiko Kanouda ,  Kenichi Onda ,  Yasuo Matsuda

    IPC分类号： G05F3/16 ,  G05F1/10 ,  H02M1/00 ,  H03F1/52 ,  H03K17/082

    CPC分类号： H03K17/0822 ,  H03F1/523

    摘要： A current sensing circuit for sensing a main current flowing through a power semiconductor element or elements, by utilizing a second current which is small in magnitude compared to the main current and varies depending on the main current, and sensing the second current through a current mirror circuit as a bias current of a differential circuit, and a function of sensing the temperature of the semiconductor element being afforded to the current sensing circuit through selection of a bias voltage.

    摘要翻译： 一种用于感测流过功率半导体元件的主电流的电流感测电路，通过利用与主电流相比大小变化小的第二电流并根据主电流而变化，并且通过电流镜检测第二电流 电路作为差分电路的偏置电流，以及通过选择偏置电压来检测提供给电流感测电路的半导体元件的温度的功能。

    Inverter circuit
    4.
    发明授权
    Inverter circuit 失效
    逆变电路

    公开(公告)号：US5280228A

    公开(公告)日：1994-01-18

    申请号：US672410

    申请日：1991-03-20

    申请人： Akihiko Kanouda ,  Hideki Miyazaki ,  Kouzou Watanabe ,  Kenichi Onda

    发明人： Akihiko Kanouda ,  Hideki Miyazaki ,  Kouzou Watanabe ,  Kenichi Onda

    IPC分类号： H01L27/082 ,  H01L21/8222 ,  H01L27/06 ,  H02H7/122 ,  H02M7/48 ,  H02M7/5387 ,  H02P27/08 ,  H02P5/40 ,  H02M3/24

    CPC分类号： H02M7/53875 ,  H02H7/1227

    摘要： A three-phase bridge inverter for controlling a motor with a variable speed includes a drive circuit therefor and an overcurrent protection circuit on one integrated chip. The inverter IC can be operated by directly inputting a direct current obtained by rectifying commercial 100 V. Thus, the inverter chip reduces the size and the weight of a system, improves the usability, lowers the cost thereof and permits mass production fabrication. Also, the life of the IC is increased by detecting current flowing through the inverter and the temperature of the chip and stopping the operation, when an abnormality is found.

    摘要翻译： 用于控制具有可变速度的电动机的三相桥式逆变器包括其驱动电路和一个集成芯片上的过电流保护电路。 逆变器IC可以通过直接输入通过整流商用100V获得的直流电而进行操作。因此，逆变器芯片减小了系统的尺寸和重量，提高了可用性，降低了成本并允许批量生产制造。 此外，当发现异常时，通过检测流过逆变器的电流和芯片的温度以及停止操作来增加IC的寿命。

    Level shift circuit for controlling a driving circuit
    5.
    发明授权
    Level shift circuit for controlling a driving circuit 失效
    用于控制驱动电路的电平移位电路

    公开(公告)号：US5057721A

    公开(公告)日：1991-10-15

    申请号：US540269

    申请日：1990-06-19

    申请人： Hideki Miyazaki ,  Akihiko Kanouda ,  Kozo Watanabe ,  Kenichi Onda ,  Yasuo Matsuda

    发明人： Hideki Miyazaki ,  Akihiko Kanouda ,  Kozo Watanabe ,  Kenichi Onda ,  Yasuo Matsuda

    IPC分类号： H01L21/8234 ,  G05F3/24 ,  H01L27/088 ,  H03K5/02 ,  H03K17/04

    CPC分类号： G05F3/24

    摘要： The switching of the positive (or pullup power) and negative (or pulldown power) semiconductor elements, are controlled by driving circuits which are in turn controlled by level shift circuits which have a first current control circuit and a second current control circuit coupled in parallel and this parallel connection is coupled in series with the control N-channel MOSFET of a current mirror circuit in a circuit loop arrangement with a control power supply. The first and second current control circuits are responsive to first and second control pulses of pulse widths t.sub.1 and t.sub.1 +t.sub.2, in accordance with a driving signal such that the first current control circuit supplies a first current level to the control N-channel MOSFET during the first time period t.sub.1 and the second current control circuit supplies a second current level, smaller than that of the first current level, thereto for a predetermined time period t.sub.1 +t.sub.2 thereby resulting in a current flow through the controlled N-channel MOSFET of the current mirror circuit of a current value corresponding to the sum of the first and second current levels. The controlled N-channel MOSFET, providing ON/OFF control of a P channel MOSFET, is disposed in a second circuit loop which is powered by a high voltage power supply. This P-channel MOSFET, coupled to the high voltage power supply, supplies an output signal to a load in response to the current flowing through the controlled N-channel MOSFET.

    摘要翻译： 正（或上拉功率）和负（或下拉功率）半导体元件的切换由驱动电路控制，驱动电路又由具有并联耦合的第一电流控制电路和第二电流控制电路的电平移位电路控制 并联电路与电流反射镜电路的控制N沟道MOSFET串联，并与控制电源进行电路回路布置。 第一和第二电流控制电路根据驱动信号响应脉冲宽度t1和t1 + t2的第一和第二控制脉冲，使得第一电流控制电路在控制N沟道MOSFET期间向控制N沟道MOSFET提供第一电流电平 第一时间段t1和第二电流控制电路提供比第一电流电平小的第二电流电平达预定时间段t1 + t2，从而导致电流流过控制的N沟道MOSFET的电流 电流镜像电路，其电流值对应于第一和第二电流电平的和。 提供P沟道MOSFET的ON / OFF控制的受控N沟道MOSFET设置在由高压电源供电的第二电路回路中。 耦合到高压电源的P沟道MOSFET响应于流过受控N沟道MOSFET的电流向负载提供输出信号。

    Power supply system for supplying electric power to a load through plural converters
    7.
    发明授权
    Power supply system for supplying electric power to a load through plural converters 失效
    用于通过多个转换器向负载供电的供电系统

    公开(公告)号：US5768117A

    公开(公告)日：1998-06-16

    申请号：US364771

    申请日：1994-12-27

    申请人： Tadashi Takahashi ,  Kenichi Onda ,  Akihiko Kanouda ,  Masayoshi Sato ,  Hideaki Horie ,  Katsunori Hayashi

    发明人： Tadashi Takahashi ,  Kenichi Onda ,  Akihiko Kanouda ,  Masayoshi Sato ,  Hideaki Horie ,  Katsunori Hayashi

    IPC分类号： H02J1/12 ,  G05F1/577 ,  H02J1/10 ,  H02M3/28 ,  H02M7/08 ,  H02M7/12 ,  H02M7/217 ,  H02M7/493 ,  H02M7/155

    CPC分类号： H02J1/102 ,  G05F1/577 ,  H02J1/108 ,  Y10T307/707

    摘要： The invention relates to a power supply system having plural converters connected in parallel. The current of each of the plural converters is detected and each of the converters is controlled so as to match each of the converters to a maximum current value from among the detected current values. In the parallel converters, when one or more converter fails, having an output current of zero, the remaining converters are each partially charged equally to maintain the load current. Since a common bus is arranged between plural converters and plural loads, it is possible to carry out a redundant operation having a high reliability. Since a stable output can be obtained without being affected by the failed converter, a power supply system having the redundancy and the high reliability can be attained.

    摘要翻译： 本发明涉及具有并联连接的多个转换器的电源系统。 检测多个转换器中的每一个的电流，并且将每个转换器进行控制，以使每个转换器与检测到的当前值中的最大电流值相匹配。 在并行转换器中，当一个或多个转换器出现故障时，输出电流为零，剩余的转换器各自部分充电以保持负载电流。 由于在多个转换器和多个负载之间设置公共总线，所以可以执行具有高可靠性的冗余操作。 由于可以在不受故障转换器影响的情况下获得稳定的输出，因此可以实现具有冗余性和高可靠性的电源系统。

    Flat transformer and power supply unit having flat transformer
    8.
    发明授权
    Flat transformer and power supply unit having flat transformer 失效
    扁平变压器和具有扁平变压器的电源单元

    公开(公告)号：US5502430A

    公开(公告)日：1996-03-26

    申请号：US141628

    申请日：1993-10-27

    申请人： Tadashi Takahashi ,  Kenichi Onda ,  Akihiko Kanouda ,  Hideaki Horie ,  Syuya Hagiwara ,  Noriyuki Uchiyama ,  Sadamu Saito

    发明人： Tadashi Takahashi ,  Kenichi Onda ,  Akihiko Kanouda ,  Hideaki Horie ,  Syuya Hagiwara ,  Noriyuki Uchiyama ,  Sadamu Saito

    IPC分类号： H01F27/28

    CPC分类号： H01F27/2823

    摘要： A flat transformer has a coil body. The coil body is formed by winding plural insulated conductive wires. Each of the plural insulated conductive wires has a conductor having a circular shaped cross-section, and an outer peripheral portion of the conductor is coated by an insulating coating. A part of plural insulated conductive wires is used to form a primary winding and the remainder of the plural insulated conductive wires is used to form a secondary winding. A flat transformer may also have plural coil bodies. The plural coil bodies may be wound at plural stages. A part of the plural coil bodies is may be used to form a primary winding and the remainder of plural coil bodies may be used to form a secondary winding. The flat transformer can operate stably at a high frequency with a small loss.

    摘要翻译： 扁平变压器具有线圈体。 线圈体通过缠绕多根绝缘导线而形成。 多个绝缘导线中的每一个具有具有圆形横截面的导体，并且导体的外周部分被绝缘涂层涂覆。 多个绝缘导线的一部分用于形成初级绕组，并且多个绝缘导线的其余部分用于形成次级绕组。 扁平变压器也可以具有多个线圈体。 多个线圈体可以以多个级缠绕。 可以使用多个线圈体的一部分来形成初级绕组，并且可以使用多个线圈体的其余部分来形成次级绕组。 扁平变压器可以在高频下稳定工作，损耗小。

    Backup power supply
    9.
    发明授权
    Backup power supply 失效
    备用电源

    公开(公告)号：US06977448B2

    公开(公告)日：2005-12-20

    申请号：US10423869

    申请日：2003-04-28

    申请人： Akihiko Kanouda ,  Satoru Masuyama ,  Masato Isogai ,  Ryouhei Saga ,  Kenichi Onda ,  Norikazu Tokunaga

    发明人： Akihiko Kanouda ,  Satoru Masuyama ,  Masato Isogai ,  Ryouhei Saga ,  Kenichi Onda ,  Norikazu Tokunaga

    IPC分类号： H02J7/00 ,  H01M10/44 ,  H02J9/06

    CPC分类号： H02J9/061 ,  Y10T307/549 ,  Y10T307/587 ,  Y10T307/615 ,  Y10T307/625

    摘要： Apparatus built-in backup power supply system has a “peak cut” function for sharing a part of the load current at the time of a peak load using a secondary battery. For this purpose, a two-way DC—DC converter 5 and the secondary battery 4 are installed on the DC output side of the AC-DC converter 3, and that portion of the load current that exceeds a predetermined peak cut level is discharged from the secondary battery 4 during peak loading. When the load is less than the predetermined cut level, the secondary battery 4 is charged from the AC-DC converter 3 via the two-way DC—DC converter 5. A suitable peak cut level is determined according to the state of charge of the secondary battery and load pattern, and is changed dynamically.

    摘要翻译： 仪器内置备用电源系统具有“峰值切换”功能，用于在使用二次电池的峰值负载时共享一部分负载电流。 为此，在AC-DC转换器3的直流输出侧安装双向DC-DC转换器5和二次电池4，超过预定的峰值切断电平的部分负载电流从 二次电池4在峰值负载期间。 当负载小于预定的切断电平时，通过双向DC-DC转换器5从AC-DC转换器3对二次电池4进行充电。根据电池的充电状态来确定合适的峰值电平 二次电池和负载模式，并动态更改。

    Multi-output DC-DC convertor
    10.
    发明授权
    Multi-output DC-DC convertor 失效
    多输出DC-DC转换器

    公开(公告)号：US5559682A

    公开(公告)日：1996-09-24

    申请号：US177961

    申请日：1994-01-06

    申请人： Akihiko Kanouda ,  Tadashi Takahashi ,  Hideaki Horie ,  Kenichi Onda ,  Syuya Hagiwara

    发明人： Akihiko Kanouda ,  Tadashi Takahashi ,  Hideaki Horie ,  Kenichi Onda ,  Syuya Hagiwara

    IPC分类号： G05F1/56 ,  H01F30/00 ,  H02M3/28 ,  H02M3/335

    CPC分类号： H02M3/33538 ,  H02M3/33592 ,  H02M2001/009 ,  Y02B70/1475

    摘要： A diode, a condenser and a switching element are connected to a primary winding of a flat type transformer such as a wire type transformer. A citation energy discharged during an off-condition of the switching element, namely a reset period of the transformer, is accumulated in the condenser. An output voltage is obtained from the condenser. Two system direct current voltage output can be obtained from one transformer. Since the two system direct current voltage output can be obtained from the transformer having a pair of a primary winding and a secondary winding, the volume and the weight of the transformer can be reduced and the compact and the slim of the machine apparatus being mounted can be contributed. Making the small winding ratio of the transformer, the copper loss of the transformer can be reduced. By using MOS synchronous rectification, the loss in the circuit can be reduced. It is unnecessary to select highly the switching frequency.

    摘要翻译： 二极管，电容器和开关元件连接到诸如线型变压器的扁平型变压器的初级绕组。 在开关元件的断开状态，即变压器的复位期间放电的引用能量积聚在冷凝器中。 从冷凝器获得输出电压。 可以从一个变压器获得两个系统的直流电压输出。 由于可以从具有一对初级绕组和次级绕组的变压器获得两个系统直流电压输出，所以可以减小变压器的体积和重量，并且可以安装机器装置的紧凑型和细长型 贡献。 使变压器的绕组比小，可以减小变压器的铜损。 通过使用MOS同步整流，可以减少电路中的损耗。 没有必要高度选择开关频率。