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    Radio-frequency signal reception circuit and isolated signal transmission apparatus
    1.
    发明授权
    Radio-frequency signal reception circuit and isolated signal transmission apparatus 有权
    射频信号接收电路和隔离信号传输装置

    公开(公告)号：US09362963B2

    公开(公告)日：2016-06-07

    申请号：US14686821

    申请日：2015-04-15

    申请人： Panasonic Intellectual Property Management Co., Ltd.

    发明人： Shuichi Nagai ,  Yasufumi Kawai

    IPC分类号： H04B1/04 ,  H04B1/10 ,  H03K17/0412 ,  H03K17/691 ,  H04B1/44

    CPC分类号： H04B1/1018 ,  H03K17/0412 ,  H03K17/691 ,  H04B1/44

    摘要： A radio-frequency signal reception circuit that detects an input signal includes an input reference terminal, a first input terminal into which a first input signal is input, a second input terminal into which a second input signal is input, an output terminal and output reference terminal from which an output signal is output, a first detector circuit that detects the first input signal and outputs a first output signal, which is a positive-voltage pulse signal, to the output terminal, a second detector circuit that detects the second input signal and outputs a second output signal, which is a positive-voltage pulse signal, to the output reference terminal, and a transistor connected to the input reference terminal and output reference terminal. The input signal includes the first input signal and second input signal. The output signal includes the first output signal and second output signal.

    摘要翻译： 检测输入信号的射频信号接收电路包括输入基准端子，输入第一输入信号的第一输入端子，输入第二输入信号的第二输入端子，输出端子和输出基准 从输出信号输出的第一检测电路，检测第一输入信号并将作为正电压脉冲信号的第一输出信号输出到输出端的第一检测电路，检测第二输入信号的第二检测电路 并将作为正电压脉冲信号的第二输出信号输出到输出基准端子，以及连接到输入基准端子和输出基准端子的晶体管。 输入信号包括第一输入信号和第二输入信号。 输出信号包括第一输出信号和第二输出信号。

    Drive device
    2.
    发明授权
    Drive device 有权
    驱动装置

    公开(公告)号：US09490797B2

    公开(公告)日：2016-11-08

    申请号：US14830717

    申请日：2015-08-19

    申请人： Panasonic Intellectual Property Management Co., Ltd.

    发明人： Osamu Tabata ,  Hideaki Fujiwara ,  Shuichi Nagai ,  Yasufumi Kawai

    IPC分类号： H03B1/00 ,  H03K3/00 ,  H03K17/22 ,  H03K17/16 ,  H03K17/691

    CPC分类号： H03K17/223 ,  H03K17/162 ,  H03K17/691

    摘要： A drive device that drives a semiconductor switching device includes a capacitor, an output selection unit that selects whether or not to supply a charge of the capacitor to a conduction control terminal of the semiconductor switching device, and a charge consumption unit that supplies the charge of the capacitor to a portion other than the conduction control terminal, thereby consuming the charge of the capacitor.

    摘要翻译： 驱动半导体开关器件的驱动装置包括：电容器，选择是否向半导体开关器件的导通控制端子提供电容器的电荷的输出选择部;以及电荷消耗部， 电容器到导通控制端子以外的部分，从而消耗电容器的电荷。

    Gate drive circuit
    4.
    发明授权
    Gate drive circuit 有权
    门驱动电路

    公开(公告)号：US09438230B2

    公开(公告)日：2016-09-06

    申请号：US14690426

    申请日：2015-04-19

    申请人： Panasonic Intellectual Property Management Co., Ltd.

    发明人： Shuichi Nagai ,  Yasufumi Kawai ,  Daisuke Ueda

    IPC分类号： H03K17/06 ,  H03K17/689 ,  H03K17/16 ,  H03K17/691 ,  H03K17/687 ,  H02M1/08

    CPC分类号： H03K17/689 ,  H02M1/08 ,  H03K17/163 ,  H03K17/165 ,  H03K17/6877 ,  H03K17/691 ,  H03K2217/009

    摘要： A gate drive circuit in an aspect of the present disclosure includes a modulated signal generation circuit that generates a first modulated signal, a first isolator that isolatedly transmits the first modulated signal, and a first rectifier circuit that generates a first output signal by rectifying the first modulated signal. The first modulated signal includes a first amplitude, a second amplitude larger than the first amplitude, and a third amplitude larger than the second amplitude. The first output signal includes a first output voltage value according to the first amplitude, a second output voltage value according to the second amplitude, and a third output voltage value according to the third amplitude.

    摘要翻译： 本公开的一个方面的栅极驱动电路包括产生第一调制信号的调制信号产生电路，隔离发送第一调制信号的第一隔离器，以及通过对第一调制信号进行整流产生第一输出信号的第一整流电路 调制信号。 第一调制信号包括第一幅度，比第一幅度大的第二幅度和大于第二幅度的第三幅度。 第一输出信号包括根据第一幅度的第一输出电压值，根据第二幅度的第二输出电压值和根据第三幅度的第三输出电压值。

    Gate drive circuit
    6.
    发明授权
    Gate drive circuit 有权
    门驱动电路

    公开(公告)号：US09494964B2

    公开(公告)日：2016-11-15

    申请号：US14702132

    申请日：2015-05-01

    申请人： Panasonic Intellectual Property Management Co., Ltd.

    发明人： Yasufumi Kawai ,  Shuichi Nagai

    IPC分类号： H03K3/00 ,  G05F5/00

    CPC分类号： G05F5/00 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02M1/08 ,  H03K17/04123 ,  H03K17/691 ,  H03K2217/0081

    摘要： A gate drive circuit includes: a modulation circuit that generates a first modulated signal and a second modulated signal; an isolator including a first electromagnetic resonance coupler that isolatedly transmits the first modulated signal, and a second electromagnetic resonance coupler that isolatedly transmits the second modulated signal; a first rectifier circuit that generates a first signal by rectifying the first modulated signal; a second rectifier circuit that generates a second signal by rectifying at least a part of the second modulated signal; a third rectifier circuit that generates charging voltage by rectifying a second radio-frequency wave; a capacitor that charges a charge in accordance with the charging voltage; and an output circuit which selects whether or not to supply the charge charged in the capacitor to a gate terminal of the semiconductor switch, in accordance with at least one of the first signal and the second signal.

    摘要翻译： 门驱动电路包括：生成第一调制信号和第二调制信号的调制电路; 隔离器，包括隔离地发送第一调制信号的第一电磁谐振耦合器，以及隔离地发送第二调制信号的第二电磁谐振耦合器; 第一整流电路，通过对第一调制信号进行整流产生第一信号; 第二整流器电路，其通过对所述第二调制信号的至少一部分进行整流来产生第二信号; 第三整流电路，通过对第二射频波进行整流来产生充电电压; 根据充电电压对电荷充电的电容器; 以及输出电路，根据第一信号和第二信号中的至少一个，选择是否向电容器充电的电荷提供给半导体开关的栅极端子。

    Resonance coupler and transmission device
    7.
    发明授权
    Resonance coupler and transmission device 有权
    谐振耦合器和传输装置

    公开(公告)号：US09466421B2

    公开(公告)日：2016-10-11

    申请号：US14822094

    申请日：2015-08-10

    申请人： Panasonic Intellectual Property Management Co., Ltd.

    发明人： Yasufumi Kawai ,  Shuichi Nagai

    IPC分类号： H01P5/02 ,  H01F38/14 ,  H01P1/203 ,  H01P5/04

    CPC分类号： H01F38/14 ,  H01P1/20345 ,  H02J50/12

    摘要： A resonance coupler according to one aspect of the present disclosure includes first resonance wiring and second resonance wiring. The first resonance wiring includes first open loop wiring, first input/output wiring extending outwardly from a first connection portion of the first open loop wiring, and first stub wiring extending inwardly from a second connection portion of the first open loop wiring. The second resonance wiring includes second open loop wiring, and second input/output wiring extending outwardly from a third connection portion of the second open loop wiring. The first stub wiring includes a first connection end connected to the second connection portion and a first open end on an opposite side. A wiring length from the first connection portion to the first open end is one-quarter of a wavelength of an nth-order harmonic of a radio-frequency signal, where n is an integer not less than 2.

    摘要翻译： 根据本公开的一个方面的共振耦合器包括第一谐振布线和第二谐振布线。 第一共振布线包括第一开环布线，从第一开环布线的第一连接部分向​​外延伸的第一输入/输出布线以及从第一开环布线的第二连接部分向​​内延伸的第一短截线。 第二谐振布线包括第二开环布线和从第二开环布线的第三连接部分向​​外延伸的第二输入/输出布线。 第一短截线布线包括连接到第二连接部分的第一连接端和相对侧上的第一开口端。 从第一连接部分到第一开口端的布线长度是射频信号的n次谐波的波长的四分之一，其中n是不小于2的整数。