公开(公告)号：US20150123488A1

公开(公告)日：2015-05-07

申请号：US14595331

申请日：2015-01-13

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Koichiro KAMATA

IPC: H02J17/00

CPC classification number: H02J50/12 ,  H01F27/006 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90

Abstract: A power feeding device utilizing an electromagnetic resonance coupling method and a contactless power feeding system can be provided. A coupling coefficient of electromagnetic induction coupling in the power feeding device and/or the inside of a power receiving device is optimized to improve electric power transmission efficiency of a resonance frequency regardless of positions of the power feeding device and the power receiving device. Provided is a power feeding device or a contactless power feeding system in which an S11 parameter which is a reflection component of electric power output from a high-frequency power source of the power feeding device is monitored, and one or both of positions of a transmission coil and a first resonant coil in the power feeding device and positions of a reception coil and a second resonant coil in a power receiving device are changed to adjust a coupling coefficient of electromagnetic induction coupling.

Abstract translation: 可以提供利用电磁共振耦合方法和非接触馈电系统的馈电装置。 优化供电装置和/或电力接收装置内部的电磁感应耦合的耦合系数，以提高谐振频率的电力传输效率，而不管供电装置和电力接收装置的位置如何。 提供一种供电装置或非接触供电系统，其中监视作为从供电装置的高频电源输出的电功率的反射分量的S11参数，以及传输的位置 线圈和馈电装置中的第一谐振线圈以及受电装置中的接收线圈和第二谐振线圈的位置被改变以调节电磁感应耦合的耦合系数。

公开(公告)号：US20130162203A1

公开(公告)日：2013-06-27

申请号：US13723491

申请日：2012-12-21

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Koichiro KAMATA

IPC: H02J7/02 ,  H01F38/14

CPC classification number: H02J7/025 ,  F02P3/02 ,  H01F38/14 ,  H02J5/005 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H02M1/12 ,  H02M3/06

Abstract: Provided is a power receiving device in which supply of power from a power supply device can be stopped while a reduction in Q-value is suppressed. The power receiving device includes a first antenna which forms resonant coupling with an antenna of the power supply device; a second antenna which forms electromagnetic induction coupling with the first antenna; a rectifier circuit including a plurality of switches and performing a first operation or a second operation depending on whether the plurality of switches is ON or OFF, the first operation being an operation in which voltage applied from the second antenna is rectified to be outputted, and the second operation being an operation in which a pair of power supply points is short-circuited; a load to which the voltage is applied; and a control circuit which generates a signal for selecting ON or OFF of the plurality of switches.

Abstract translation: 提供一种能够在抑制Q值的降低的同时停止来自电源装置的电力供给的电力接收装置。 电力接收装置包括与电源装置的天线形成谐振耦合的第一天线; 与第一天线形成电磁感应耦合的第二天线; 包括多个开关的整流电路，并且根据所述多个开关是ON还是OFF来执行第一操作或第二操作，所述第一操作是其中从所述第二天线施加的电压被整流输出的操作;以及 第二操作是一对电源点短路的操作; 施加电压的负载; 以及控制电路，其生成用于选择所述多个开关的ON或OFF的信号。

公开(公告)号：US20130119776A1

公开(公告)日：2013-05-16

申请号：US13668467

申请日：2012-11-05

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Koichiro KAMATA

IPC: H02J17/00

CPC classification number: H02J50/12 ,  B60L11/182 ,  H02J7/025 ,  H02J50/80 ,  H02J2007/0096 ,  Y02T10/7005 ,  Y02T10/7072 ,  Y02T90/122 ,  Y02T90/14 ,  Y02T90/16

Abstract: A novel power receiving device and a novel power transmission device are provided. Power feeding and communication are performed using a magnetic resonance method. Specifically, in one embodiment of the present invention, power feeding is performed by generating a second high-frequency voltage based on a first high-frequency voltage induced in a resonant coil and communication is performed by modulating amplitude of the first high-frequency voltage induced in the resonant coil. Thus, it is possible to perform communication and power feeding based on data obtained by the communication in pseudo-parallel.

Abstract translation: 提供了一种新颖的受电装置和新颖的动力传递装置。 使用磁共振法进行供电和通信。 具体地，在本发明的一个实施例中，通过基于在谐振线圈中感应的第一高频电压产生第二高频电压来进行馈电，并且通过调制第一高频电压的振幅来进行通信 在谐振线圈中。 因此，可以基于通过伪并行获得的数据来执行通信和馈电。

公开(公告)号：US20220385108A1

公开(公告)日：2022-12-01

申请号：US17887305

申请日：2022-08-12

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Koichiro KAMATA ,  Misako SATO ,  Shuhei MAEDA

IPC: H02J50/12 ,  H02J5/00 ,  H02J50/90 ,  H02J50/50 ,  H02J50/40

Abstract: A wireless power feed system with high transfer efficiency of electric power is disclosed. The wireless power feed system includes a power feeding device and a power receiving device, wherein the power feeding device includes a first electromagnetic coupling coil that is connected to an AC power source via a directional coupler; a first resonant coil; a switch connected to the opposite ends of the first resonant coil; a control circuit which conducts switching on/off of the switch based on a parameter of an amplitude of a reflective wave detected by the directional coupler; and an analog-digital converter provided between the first electromagnetic coupling coil and the control circuit; and the power receiving device includes a second resonant coil; and a second electromagnetic coupling coil, and wherein the first electromagnetic coupling coil is provided between the first resonant coil and the second resonant coil.

公开(公告)号：US20200286554A1

公开(公告)日：2020-09-10

申请号：US16878757

申请日：2020-05-20

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hideki UOCHI ,  Koichiro KAMATA

IPC: G11C13/00 ,  G11C11/404 ,  H01L29/24 ,  H01L27/115 ,  H01L29/16 ,  H01L29/49

Abstract: Disclosed is a semiconductor device having a memory cell which comprises a transistor having a control gate and a storage gate. The storage gate comprises an oxide semiconductor and is able to be a conductor and an insulator depending on the potential of the storage gate and the potential of the control gate. Data is written by setting the potential of the control gate to allow the storage gate to be a conductor, supplying a potential of data to be stored to the storage gate, and setting the potential of the control gate to allow the storage gate to be an insulator. Data is read by supplying a potential for reading to a read signal line connected to one of a source and a drain of the transistor and detecting the change in potential of a bit line connected to the other of the source and the drain.

公开(公告)号：US20180166885A1

公开(公告)日：2018-06-14

申请号：US15892517

申请日：2018-02-09

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Koichiro KAMATA ,  Misako SATO ,  Shuhei MAEDA

IPC: H02J5/00 ,  H02J50/40 ,  H02J50/90 ,  H02J50/12 ,  H01F38/00

CPC classification number: H02J5/005 ,  H01F38/00 ,  H02J5/00 ,  H02J17/00 ,  H02J50/12 ,  H02J50/40 ,  H02J50/90

Abstract: A wireless power feed system with high transfer efficiency of electric power is disclosed. The wireless power feed system includes a power feeding device and a power receiving device, wherein the power feeding device includes a first electromagnetic coupling coil that is connected to an AC power source via a directional coupler; a first resonant coil; a switch connected to the opposite ends of the first resonant coil; a control circuit which conducts switching on/off of the switch based on a parameter of an amplitude of a reflective wave detected by the directional coupler; and an analog-digital converter provided between the first electromagnetic coupling coil and the control circuit; and the power receiving device includes a second resonant coil; and a second electromagnetic coupling coil, and wherein the first electromagnetic coupling coil is provided between the first resonant coil and the second resonant coil.

公开(公告)号：US20180091113A1

公开(公告)日：2018-03-29

申请号：US15825405

申请日：2017-11-29

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Koichiro KAMATA ,  Shinya OKANO ,  Misako SATO ,  Shuhei MAEDA

IPC: H03H7/38 ,  H01F38/14 ,  H03D1/02 ,  H02J7/02 ,  H03C1/36 ,  H02J5/00

CPC classification number: H03H7/38 ,  H01F38/14 ,  H02J5/005 ,  H02J7/025 ,  H02J50/12 ,  H02J50/40 ,  H02J50/80 ,  H03C1/36 ,  H03D1/02

Abstract: A resonant power feeding system that can provide high power transmission efficiency between a power feeding device and a power reception device without dynamically controlling the oscillation frequency in accordance with the distance between the power feeding device and the power reception device. High power transmission efficiency between the power feeding device and the power reception device is obtained by addition of a structure for adjusting the matching condition to both the power reception device and the power feeding device. Specifically, a transmission-reception circuit and a matching circuit are provided in both the power reception device and the power feeding device, and wireless signals for adjusting the matching circuit are transmitted and received through a resonant coil. Thus, the power feeding device can efficiently supply power to the power reception device without adjusting the oscillation frequency.

公开(公告)号：US20170358363A1

公开(公告)日：2017-12-14

申请号：US15671207

申请日：2017-08-08

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Koichiro KAMATA

IPC: G11C16/24 ,  H01L27/11521 ,  G11C11/404 ,  G11C16/26 ,  H01L29/786 ,  G11C11/56 ,  H01L27/12

CPC classification number: G11C16/24 ,  G11C11/404 ,  G11C11/565 ,  G11C16/26 ,  H01L27/11521 ,  H01L27/1225 ,  H01L29/7869

Abstract: A semiconductor device with a reduced area and capable of higher integration and larger storage capacity is provided. A multi-valued memory cell including a reading transistor which includes a back gate electrode and a writing transistor is used. Data is written by turning on the writing transistor so that a potential according to the data is supplied to a node where one of a source electrode and a drain electrode of the writing transistor and a gate electrode of the reading transistor are electrically connected to each other, and then turning off the writing transistor and holding a predetermined potential in the node. Data is read by supplying a reading control potential to a control signal line connected to one of a source electrode and a drain electrode of the reading transistor, and then detecting potential change of a reading signal line.

公开(公告)号：US20170025172A1

公开(公告)日：2017-01-26

申请号：US15284662

申请日：2016-10-04

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hideki UOCHI ,  Koichiro KAMATA

IPC: G11C13/00 ,  H01L29/16 ,  H01L29/49 ,  H01L27/115

CPC classification number: G11C13/0007 ,  G11C11/404 ,  G11C13/003 ,  G11C13/004 ,  G11C13/0069 ,  G11C2013/0045 ,  G11C2013/0078 ,  G11C2213/53 ,  H01L27/115 ,  H01L29/16 ,  H01L29/24 ,  H01L29/247 ,  H01L29/49

Abstract: Disclosed is a semiconductor device having a memory cell which comprises a transistor having a control gate and a storage gate. The storage gate comprises an oxide semiconductor and is able to be a conductor and an insulator depending on the potential of the storage gate and the potential of the control gate. Data is written by setting the potential of the control gate to allow the storage gate to be a conductor, supplying a potential of data to be stored to the storage gate, and setting the potential of the control gate to allow the storage gate to be an insulator. Data is read by supplying a potential for reading to a read signal line connected to one of a source and a drain of the transistor and detecting the change in potential of a bit line connected to the other of the source and the drain.

Abstract translation: 公开了一种具有存储单元的半导体器件，该存储单元包括具有控制栅极和存储栅极的晶体管。 存储栅极包括氧化物半导体，并且能够根据存储栅极的电位和控制栅极的电位而成为导体和绝缘体。 通过设置控制栅极的电位来允许存储门为导体，向存储门提供要存储的数据的电位，以及设置控制门的电位以允许存储门为 绝缘子。 通过向连接到晶体管的源极和漏极中的一个的读取信号线提供读取电位并检测与源极和漏极中的另一个连接的位线的电位变化来读取数据。

公开(公告)号：US20160301254A1

公开(公告)日：2016-10-13

申请号：US15182844

申请日：2016-06-15

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Koichiro KAMATA ,  Misako SATO ,  Shuhei MAEDA

IPC: H02J50/12 ,  H02J50/80 ,  H02J7/02 ,  H02J50/20

CPC classification number: H02J50/10 ,  H02J5/005 ,  H02J7/025 ,  H02J17/00 ,  H02J50/05 ,  H02J50/12 ,  H02J50/20 ,  H02J50/40 ,  H02J50/80 ,  H02J50/90 ,  H04B1/44

Abstract: An object is to provide a power feeding device, a power feeding system, and a power feeding method which are more convenient for a power feeding user at the power receiving end. The power feeding device includes a means of controlling a frequency of a power signal transmitted to a power receiver, based on a proportion of signals, among power signals output to an antenna circuit, that return from the power receiver to the antenna circuit without feeding power to the power receiver.

Abstract translation: 本发明的目的是提供一种供电装置，馈电系统和馈电方法，其对于电力接收端的馈电用户更为方便。 供电装置包括：在输出到天线电路的功率信号中，基于信号比例来控制发送到功率接收器的功率信号的频率的装置，其从功率接收器返回到天线电路而不进行馈电 到电源接收器。