公开(公告)号：US20150295574A1

公开(公告)日：2015-10-15

申请号：US14749727

申请日：2015-06-25

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHUICHI NAGAI

IPC: H03K17/687

CPC classification number: H03K17/687 ,  H02J50/10 ,  H02J50/12 ,  H03K2017/6875 ,  H04B1/04

Abstract: A signal reception circuit according to an aspect of the present disclosure includes: an input terminal; an input reference terminal; an output terminal; an output reference terminal; a normally-on type transistor that includes a first terminal connected to the output terminal, a second terminal connected to the output reference terminal, and a control terminal; a first detector circuit that detects an input signal applied between the input terminal and the input reference terminal, to apply an output signal between the output terminal and the output reference terminal; and a second detector circuit that detects the input signal, to apply a negative voltage pulse to the control terminal of the transistor with the output reference terminal as a reference.

Abstract translation: 根据本公开的一个方面的信号接收电路包括：输入端子; 输入参考端; 输出端子; 输出参考端子; 常闭型晶体管，包括连接到输出端子的第一端子，连接到输出参考端子的第二端子和控制端子; 第一检测器电路，其检测施加在输入端子和输入参考端子之间的输入信号，以在输出端子和输出参考端子之间施加输出信号; 以及第二检测器电路，其检测输入信号，以输出参考端子作为参考，将负电压脉冲施加到晶体管的控制端子。

公开(公告)号：US20230375373A1

公开(公告)日：2023-11-23

申请号：US18247887

申请日：2021-09-06

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： MASARU SHIRAISHI ,  SHUICHI NAGAI

IPC: G01D5/347

CPC classification number: G01D5/3473 ,  G01D5/34715

Abstract: Provided is an encoder capable of suppressing a decrease in detection accuracy. The encoder includes a moving plate, a light irradiator that irradiates a code pattern with light, and a light receiver. The code pattern includes a light guider and a non-light guider. A code pattern array is an array in which an error correction code for correcting an error is inserted into a position information data string that can specify a position. The light receiver includes a position detecting light receiving element that reads a position array of a code pattern and a position correcting light receiving element that outputs information for correcting an error.

公开(公告)号：US20150222306A1

公开(公告)日：2015-08-06

申请号：US14686821

申请日：2015-04-15

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHUICHI NAGAI ,  YASUFUMI KAWAI

IPC: H04B1/10 ,  H04B1/44

CPC classification number: H04B1/1018 ,  H03K17/0412 ,  H03K17/691 ,  H04B1/44

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20230358574A1

公开(公告)日：2023-11-09

申请号：US18044215

申请日：2021-10-04

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHUICHI NAGAI ,  MASARU SHIRAISHI ,  JUNYA ASO ,  TOSHIHIRO KOGA ,  TAKUMA KATAYAMA

IPC: G01D5/347

CPC classification number: G01D5/3473

Abstract: Provided is an encoder capable of achieving high position resolution without being finely divided, and capable of detecting a rotation angle or the like with high sensitivity. The encoder includes: rotary plate (2) having a plurality of reflection structures (10) repeatedly formed and code (20) including light reflector (21); irradiator (4) that irradiates the plurality of reflection structures (10) with light; and light receiver (5) that receives light reflected by the plurality of reflection structures (10). Each of the plurality of reflection structures (10) has a surface in a convex shape, and each of the plurality of reflection structures (10) has a width that is an integral multiple of a width of light reflector (21).

公开(公告)号：US20160065168A1

公开(公告)日：2016-03-03

申请号：US14822094

申请日：2015-08-10

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YASUFUMI KAWAI ,  SHUICHI NAGAI

IPC: H01P5/04 ,  H01F38/14

CPC classification number: H01F38/14 ,  H01P1/20345 ,  H02J50/12

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20150295599A1

公开(公告)日：2015-10-15

申请号：US14676816

申请日：2015-04-02

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： HIDEAKI FUJIWARA ,  OSAMU TABATA ,  SHUICHI NAGAI

IPC: H04B1/04 ,  H01P1/203 ,  H01P1/212

CPC classification number: H04B1/0475 ,  H01P1/20345 ,  H01P5/028 ,  H01P7/084

Abstract: An electromagnetic resonance coupler according to one aspect of the present disclosure includes a first layer, a second layer which faces a first principal surface of the first layer, a third layer which faces a second principal surface of the first layer, a first resonator which is located between the first layer and the second layer, and a second resonator which is located between the first layer and the third layer. A dielectric constant of the first layer is lower than either one of a dielectric constant of the second layer and a dielectric constant of the third layer. A dielectric dissipation factor of the first layer is higher than either one of a dielectric dissipation factor of the second layer and a dielectric dissipation factor of the third layer.

Abstract translation: 根据本公开的一个方面的电磁谐振耦合器包括第一层，面向第一层的第一主表面的第二层，面向第一层的第二主表面的第三层，第一层是第一层， 位于第一层和第二层之间，第二谐振器位于第一层和第三层之间。 第一层的介电常数低于第二层的介电常数和第三层的介电常数中的任何一个。 第一层的介电耗散因子高于第二层的介电损耗因子和第三层的介电损耗因子中的任一个。

公开(公告)号：US20150234417A1

公开(公告)日：2015-08-20

申请号：US14702132

申请日：2015-05-01

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： YASUFUMI KAWAI ,  SHUICHI NAGAI

IPC: G05F5/00

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

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US20150222264A1

公开(公告)日：2015-08-06

申请号：US14690429

申请日：2015-04-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHUICHI NAGAI

IPC: H03K17/691 ,  H03K17/687 ,  H03K17/693 ,  H03K17/16

CPC classification number: H03K17/691 ,  H02M1/08 ,  H03K17/16 ,  H03K17/18 ,  H03K17/6877 ,  H03K17/693 ,  H03K2217/009

Abstract: A gate drive circuit in an aspect of the present disclosure includes: a first electromagnetic resonant coupler that isolatedly transmits a transmission signal from the primary side to the secondary side, and also isolatedly transmits a reflected signal from the secondary side to the primary side; a modulator circuit that modulates a radio-frequency wave with an input signal to generate the transmission signal; a demodulator circuit that demodulates the transmission signal to generate an output signal; a variable capacitance diode into which the transmission signal is input from the first electromagnetic resonant coupler, the variable capacitance diode disposed on the secondary side, the variable capacitance diode allowing a capacitance thereof to vary according to a monitor signal; and a reflected signal rectifier circuit that rectifies the reflected signal input to generate a monitor output signal.

Abstract translation: 本公开的一个方面的栅极驱动电路包括：第一电磁谐振耦合器，其将发射信号从初级侧隔离发送到次级侧，并且还将反射信号从次级侧发送到初级侧; 调制器电路，其利用输入信号调制射频波以产生发送信号; 解调器电路，解调所述发送信号以产生输出信号; 可变电容二极管，其中传输信号从第一电磁谐振耦合器输入，可变电容二极管设置在次级侧，可变电容二极管允许其电容根据监视信号而变化; 以及对反射信号输入进行整流以产生监视器输出信号的反射信号整流电路。

公开(公告)号：US20160359482A1

公开(公告)日：2016-12-08

申请号：US15160600

申请日：2016-05-20

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHUICHI NAGAI ,  MIORI HIRAIWA

IPC: H03K17/693

CPC classification number: H03K17/693 ,  H03D7/1441 ,  H03D7/1483

Abstract: In a signal generating circuit, a power supply terminal is connected with first terminals of a first switching element, a second switching element, and a third switching element; second terminals of the second switching element and the third switching element are connected to each other at a first node; the first node is connected with a ground and a first input terminal; a conduction control terminal of the third switching element is connected with the power supply terminal and the first terminal of the first switching element; a second terminal of the first switching element is connected with the first node; the second input terminal is connected with conduction control terminals of the first switching element and the second switching element; a first output terminal is connected with a second node; a second output terminal is connected with a third node; a first high-frequency cutoff element is connected with the power supply terminal and the second node; and a second high-frequency cutoff element is connected with the power supply terminal and the third node.

Abstract translation: 在信号发生电路中，电源端子与第一开关元件，第二开关元件和第三开关元件的第一端子连接; 第二开关元件和第三开关元件的第二端子在第一节点处彼此连接; 第一节点与地和第一输入端相连; 第三开关元件的导通控制端子与第一开关元件的电源端子和第一端子连接; 第一开关元件的第二端子与第一节点连接; 所述第二输入端子与所述第一开关元件和所述第二开关元件的导通控制端子连接; 第一输出端子与第二节点连接; 第二输出端子与第三节点连接; 第一高频截止元件与电源端子和第二节点连接; 并且第二高频截止元件与电源端子和第三节点连接。

公开(公告)号：US20160352122A1

公开(公告)日：2016-12-01

申请号：US15158585

申请日：2016-05-19

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHUICHI NAGAI

IPC: H02J7/00

CPC classification number: H02M1/08 ,  H03K17/04123 ,  H03K17/691 ,  H03K2217/0081

Abstract: A charging-voltage generating unit generates voltage which charges a charge storage element from one input signal. An output-voltage generating unit generates voltage referenced to a signal output reference terminal and output at a signal output terminal from another input signal. A charging-voltage output terminal and first terminals of a first switching element and the charge storage element are connected at a first point. A charging-voltage output reference terminal is connected with a second terminal of the first switching element at a second point. An output-voltage output terminal, a first terminal of a second switching element, and the signal output terminal are connected at a third point. The output-voltage output reference terminal, a signal output reference terminal, and second terminals of the second switching element and the charge storage element are connected at a fourth point. The second and third points are interconnected.

Abstract translation: 充电电压产生单元产生从一个输入信号对电荷存储元件充电的电压。 输出电压产生单元产生参考信号输出参考端的电压，并在另一输入信号的信号输出端输出。 充电电压输出端子和第一开关元件的第一端子和电荷存储元件在第一点连接。 充电电压输出基准端在第二点与第一开关元件的第二端连接。 输出电压输出端子，第二开关元件的第一端子和信号输出端子在第三点连接。 输出电压输出基准端子，信号输出基准端子以及第二开关元件和电荷存储元件的第二端子在第四点连接。 第二点和第三点是互连的。