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公开(公告)号：US20100203851A1
公开(公告)日：2010-08-12
申请号：US12553180
申请日：2009-09-03
IPC分类号： H04B1/02
CPC分类号： H04B1/0475 , H03F1/3247 , H03F1/3252 , H03F1/34 , H03F3/19 , H03F3/24 , H03F2200/204 , H03F2200/336 , H03F2200/411 , H03F2200/451 , H04B2001/0433
摘要： A wireless transmission device includes an adding/subtracting unit configured to subtract a second signal and a third signal from a first signal to generate the second signal; a modulating unit configured to modulate the second signal to generate a fourth signal; a demodulating unit configured to demodulate the fourth signal to generate the third signal; and a transmitting unit configured to transmit the fourth signal.
摘要翻译： 无线传输装置包括：加法/减法单元，被配置为从第一信号中减去第二信号和第三信号以产生第二信号; 调制单元，被配置为调制所述第二信号以产生第四信号; 解调单元，被配置为对所述第四信号进行解调以产生所述第三信号; 以及发送单元，被配置为发送所述第四信号。
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公开(公告)号：US09190850B2
公开(公告)日：2015-11-17
申请号：US13342381
申请日：2012-01-03
申请人： Kohei Onizuka , Takeshi Ueno
发明人： Kohei Onizuka , Takeshi Ueno
摘要： An example wireless power transmitter is configured for wirelessly transmitting a signal to a power receiving apparatus including a first resonance circuit and a load circuit. The first resonance circuit includes a power receiving coil and a first capacitor. The example wireless power transmitter includes a power supply that has a variable oscillation frequency and generates a signal having the oscillation frequency; a second resonance circuit that transmits the signal to the power receiving apparatus; a measuring unit that measures a signal reflection coefficient, the signal reflection coefficient being determined based on magnitude of the signal and magnitude of a signal reflected on the second resonance circuit to the power supply; and a controller that detects a value of the oscillation frequency making the signal reflection coefficient smaller than or equal to a threshold value, and calculates an electromagnetic coupling coefficient between the power transmission coil and the power receiving coil based on the detected value.
摘要翻译： 示例性无线电力发射机被配置为将信号无线地发送到包括第一谐振电路和负载电路的电力接收设备。 第一谐振电路包括受电线圈和第一电容器。 示例性无线电力发射机包括具有可变振荡频率并产生具有振荡频率的信号的电源; 将所述信号发送到所述电力接收装置的第二谐振电路; 测量单元，其测量信号反射系数，所述信号反射系数根据所述信号的大小和在所述第二谐振电路上反射到所述电源的信号的大小确定; 以及控制器，其检测使所述信号反射系数小于或等于阈值的振荡频率的值，并且基于所述检测值来计算所述电力传输线圈和所述受电线圈之间的电磁耦合系数。
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3.发明授权公开(公告)号：US08860509B2
公开(公告)日：2014-10-14
申请号：US13709574
申请日：2012-12-10
申请人： Kohei Onizuka
发明人： Kohei Onizuka
CPC分类号： H03K5/08 , H03F1/0288 , H03F3/45179 , H03F3/68 , H03F2200/66 , H03F2203/45481 , H03G3/20 , H03G3/3042 , H03G7/08 , H03K3/64
摘要： A clipping circuit includes: a first input terminal which receives a first signal, a second input terminal which receives a second signal, and a first variable resistive element which has a control terminal electrically connected to the second input terminal and which has a threshold, wherein first and second ends of the first variable resistive element are connected to first input terminal and a reference voltage, respectively. The clipping circuit also includes a second variable resistive element which has a control terminal electrically connected to the first input terminal and which has a threshold, wherein first and second ends of the second variable resistive element are connected to a second input terminal and the reference voltage, respectively. In addition, a first bias applying unit applies a bias voltage lower than the threshold to the control terminal regarding the first variable resistive element, and a second bias applying unit applies a bias voltage lower than the threshold to the control terminal regarding the second variable resistive element.
摘要翻译： 限幅电路包括：接收第一信号的第一输入端子，接收第二信号的第二输入端子和具有电连接到第二输入端子并具有阈值的控制端子的第一可变电阻元件，其中 第一可变电阻元件的第一和第二端分别连接到第一输入端子和参考电压。 限幅电路还包括第二可变电阻元件，其具有电连接到第一输入端子并具有阈值的控制端子，其中第二可变电阻元件的第一和第二端连接到第二输入端子，并且参考电压 ， 分别。 此外，第一偏置施加单元将关于第一可变电阻元件的低于阈值的偏置电压施加到控制端子，并且第二偏置施加单元将关于第二可变电阻器的低于阈值的偏置电压施加到控制端子 元件。
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公开(公告)号：US07876162B2
公开(公告)日：2011-01-25
申请号：US12558807
申请日：2009-09-14
IPC分类号： H03F3/14
CPC分类号： H03F3/602 , H03F3/26 , H03F2200/537 , H03F2200/541 , H03F2200/543
摘要： An amplifier includes: a substrate; first to fourth amplifying units arranged on the substrate and each having first and second terminals, and each amplifying first and second signals to generate first and second amplified signals; a first inductive line arranged on the substrate, connecting the first terminal of the first amplifying unit and the first terminal of the second amplifying unit, and having a linear portion and a bending portion; a second inductive line arranged on the substrate, connecting the second terminal of the second amplifying unit and the first terminal of the third amplifying unit, and having a linear portion and a bending portion; a third inductive line arranged on the substrate, connecting the second terminal of the third amplifying unit and the first terminal of the fourth amplifying unit, and having a linear portion and a bending portion; a fourth inductive line arranged on the substrate, connecting the second terminal of the fourth amplifying unit and the second terminal of the first amplifying unit, and having a linear portion and a bending portion; and a fifth inductive line which establishes magnetic field coupling with the first to fourth inductive lines, and has third and fourth terminals, combines the plurality of the first amplified signals amplified to output the first combined signal from the third terminal, and combines the plurality of the second amplified signals to output the second combined signal from the fourth terminal.
摘要翻译： 放大器包括：基板; 布置在基板上的第一至第四放大单元，每个具有第一和第二端子，并且每个放大第一和第二信号以产生第一和第二放大信号; 布置在所述基板上的第一感应线，连接所述第一放大单元的第一端子和所述第二放大单元的所述第一端子，并且具有直线部分和弯曲部分; 布置在基板上的第二感应线，连接第二放大单元的第二端子和第三放大单元的第一端子，并具有直线部分和弯曲部分; 布置在基板上的第三感应线，连接第三放大单元的第二端子和第四放大单元的第一端子，并具有直线部分和弯曲部分; 布置在基板上的第四感应线，连接第四放大单元的第二端子和第一放大单元的第二端子，并具有直线部分和弯曲部分; 以及第五感应线，其与第一至第四感应线建立磁场耦合，并且具有第三和第四端子，将被放大的多个第一放大信号组合以输出来自第三端子的第一组合信号，并将多个 第二放大信号以从第四终端输出第二组合信号。
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公开(公告)号：US09343225B2
公开(公告)日：2016-05-17
申请号：US13717477
申请日：2012-12-17
申请人： Kohei Onizuka , Shoji Otaka , Hiroaki Ishihara , Fumi Moritsuka
发明人： Kohei Onizuka , Shoji Otaka , Hiroaki Ishihara , Fumi Moritsuka
摘要： There provided a power receiving device connectable with a first load circuit operating according to AC power from a power transmitting device in which the power receiver receives the AC power from the power transmitting device via magnetic coupling, the impedance adjuster is capable of converting at least one of voltage and current of the AC power received at the power receiver, the controller controls increase in output voltage of the power transmitting device, the AC power is supplied to the first load circuit via the impedance adjuster when the first load circuit is connected to the power receiving device, and the controller controls the impedance adjuster such that an input impedance of the impedance adjuster is lower than an input impedance of the first load circuit during at least a part of a time period where the output voltage of the power transmitting device is increased.
摘要翻译： 提供了一种电力接收装置，可与根据来自功率传输装置的AC电力工作的第一负载电路连接，其中电力接收器通过磁耦合从发送装置接收AC电力，阻抗调节器能够转换至少一个 在电力接收器处接收的AC电力的电压和电流，控制器控制电力传输装置的输出电压的增加，当第一负载电路连接到第一负载电路时，AC电力经由阻抗调节器被提供给第一负载电路 电力接收装置，并且所述控制器控制所述阻抗调节器，使得所述阻抗调节器的输入阻抗在所述电力发送装置的输出电压为的时间段的至少一部分期间低于所述第一负载电路的输入阻抗 增加。
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公开(公告)号：US20130002034A1
公开(公告)日：2013-01-03
申请号：US13342381
申请日：2012-01-03
申请人： Kohei Onizuka , Takeshi Ueno
发明人： Kohei Onizuka , Takeshi Ueno
IPC分类号： H02J17/00
摘要： According to one embodiment, a wireless power transmitter wirelessly transmits power to a power receiving apparatus which includes a first resonance circuit and a load circuit. The first resonance circuit includes a power receiving coil and a first capacitor. The wireless power transmitter comprises a second resonance circuit that includes a power transmission coil and a second capacitor and transmits the signal generated by a power supply to the power receiving apparatus, a measuring unit that measures a signal reflection coefficient, and a controller. The controller detects a value of an oscillation frequency of the power supply making the signal reflection coefficient smaller than or equal to a threshold value, calculates an electromagnetic coupling coefficient between the power transmission coil and the power receiving coil, and controls one of the oscillation frequency and a capacitance value of the second capacitor based on the electromagnetic coupling coefficient.
摘要翻译： 根据一个实施例，无线电力发射机将电力无线地传输到包括第一谐振电路和负载电路的电力接收设备。 第一谐振电路包括受电线圈和第一电容器。 无线电力发射机包括第二谐振电路，其包括电力传输线圈和第二电容器，并且将由电源产生的信号发送到电力接收装置，测量信号反射系数的测量单元和控制器。 控制器检测使信号反射系数小于或等于阈值的电源的振荡频率的值，计算发送线圈和受电线圈之间的电磁耦合系数，并且控制振荡频率之一 以及基于电磁耦合系数的第二电容器的电容值。
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公开(公告)号：US20120112555A1
公开(公告)日：2012-05-10
申请号：US13326765
申请日：2011-12-15
申请人： Kiyoshi TOSHIMITSU , Kohei Onizuka
发明人： Kiyoshi TOSHIMITSU , Kohei Onizuka
IPC分类号： H02J17/00
摘要： A power feeding device includes an oscillator to generate a high frequency signal, a resonance frequency determining unit configured to determine a resonance frequency to be used for a wireless power transmission, a resonance frequency controller configured to generate a resonance parameter, a resonant circuit to generate electromagnetic inductance, and a communicating unit configured to notify a resonance frequency to the power receiving device before starting a wireless power transmission. A power receiving device includes a communicating unit configured to receive information of a resonance frequency to be used for a wireless power transmission, a resonance frequency controller configured to generate a resonance parameter, a resonant circuit to generate power, a load circuit to operate by the power, a switch to open and close a connection between the resonant circuit and the load circuit, and a determining unit configured to control the switch.
摘要翻译： 一种馈电装置，包括：振荡器，用于产生高频信号;谐振频率确定单元，被配置为确定要用于无线电力传输的谐振频率;谐振频率控制器，被配置为产生谐振参数;谐振电路， 电磁感应器和通信单元，被配置为在开始无线电力传输之前向谐振频率通知电力接收装置。 电力接收装置包括通信单元，被配置为接收要用于无线电力传输的共振频率的信息，被配置为产生谐振参数的谐振频率控制器，用于发电的谐振电路，负载电路 电源，用于打开和闭合谐振电路和负载电路之间的连接的开关，以及被配置为控制开关的确定单元。
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公开(公告)号：US20100225397A1
公开(公告)日：2010-09-09
申请号：US12558807
申请日：2009-09-14
IPC分类号： H03F3/26
CPC分类号： H03F3/602 , H03F3/26 , H03F2200/537 , H03F2200/541 , H03F2200/543
摘要： An amplifier includes: a substrate; first to fourth amplifying units arranged on the substrate and each having first and second terminals, and each amplifying first and second signals to generate first and second amplified signals; a first inductive line arranged on the substrate, connecting the first terminal of the first amplifying unit and the first terminal of the second amplifying unit, and having a linear portion and a bending portion; a second inductive line arranged on the substrate, connecting the second terminal of the second amplifying unit and the first terminal of the third amplifying unit, and having a linear portion and a bending portion; a third inductive line arranged on the substrate, connecting the second terminal of the third amplifying unit and the first terminal of the fourth amplifying unit, and having a linear portion and a bending portion; a fourth inductive line arranged on the substrate, connecting the second terminal of the fourth amplifying unit and the second terminal of the first amplifying unit, and having a linear portion and a bending portion; and a fifth inductive line which establishes magnetic field coupling with the first to fourth inductive lines, and has third and fourth terminals, combines the plurality of the first amplified signals amplified to output the first combined signal from the third terminal, and combines the plurality of the second amplified signals to output the second combined signal from the fourth terminal.
摘要翻译： 放大器包括：基板; 布置在基板上的第一至第四放大单元，每个具有第一和第二端子，并且每个放大第一和第二信号以产生第一和第二放大信号; 布置在所述基板上的第一感应线，连接所述第一放大单元的第一端子和所述第二放大单元的所述第一端子，并且具有直线部分和弯曲部分; 布置在基板上的第二感应线，连接第二放大单元的第二端子和第三放大单元的第一端子，并具有直线部分和弯曲部分; 布置在基板上的第三感应线，连接第三放大单元的第二端子和第四放大单元的第一端子，并具有直线部分和弯曲部分; 布置在基板上的第四感应线，连接第四放大单元的第二端子和第一放大单元的第二端子，并具有直线部分和弯曲部分; 以及第五感应线，其与第一至第四感应线建立磁场耦合，并且具有第三和第四端子，将被放大的多个第一放大信号组合以输出来自第三端子的第一组合信号，并将多个 第二放大信号以从第四终端输出第二组合信号。
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公开(公告)号：US09287716B2
公开(公告)日：2016-03-15
申请号：US13326765
申请日：2011-12-15
申请人： Kiyoshi Toshimitsu , Kohei Onizuka
发明人： Kiyoshi Toshimitsu , Kohei Onizuka
摘要： A power feeding device includes an oscillator to generate a high frequency signal, a resonance frequency determining unit configured to determine a resonance frequency to be used for a wireless power transmission, a resonance frequency controller configured to generate a resonance parameter, a resonant circuit to generate electromagnetic inductance, and a communicating unit configured to notify a resonance frequency to the power receiving device before starting a wireless power transmission. A power receiving device includes a communicating unit configured to receive information of a resonance frequency to be used for a wireless power transmission, a resonance frequency controller configured to generate a resonance parameter, a resonant circuit to generate power, a load circuit to operate by the power, a switch to open and close a connection between the resonant circuit and the load circuit, and a determining unit configured to control the switch.
摘要翻译： 一种馈电装置，包括：振荡器，用于产生高频信号;谐振频率确定单元，被配置为确定要用于无线电力传输的谐振频率;谐振频率控制器，被配置为产生谐振参数;谐振电路， 电磁感应器和通信单元，被配置为在开始无线电力传输之前向谐振频率通知电力接收装置。 电力接收装置包括通信单元，被配置为接收要用于无线电力传输的共振频率的信息，被配置为产生谐振参数的谐振频率控制器，用于发电的谐振电路，负载电路 电源，用于打开和闭合谐振电路和负载电路之间的连接的开关，以及被配置为控制开关的确定单元。
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公开(公告)号：US09231413B2
公开(公告)日：2016-01-05
申请号：US13461097
申请日：2012-05-01
申请人： Takeshi Ueno , Kohei Onizuka
发明人： Takeshi Ueno , Kohei Onizuka
CPC分类号： H02J50/12 , H02J5/005 , H02J7/0004 , H02J7/025
摘要： In one embodiment, a power reception device includes a load circuit, to which a first signal having a first power value is supplied from a first resonance circuit connected to a power reception coil, and a first transceiver which transmits the first power value to a power transmission device. The power transmission device includes a second resonance circuit including a plurality of inductors and capacitors to which a second signal having a second power value is input, a power transmission coil connected to the second resonance circuit, a second transceiver which receives the first power value from the first transceiver, and a first control circuit which calculates power transmission efficiency using the first power value and the second power value and adjusts at least one of inductance values of the inductors and/or at least one of capacitance values of the capacitors based on the power transmission efficiency.
摘要翻译： 在一个实施例中，功率接收装置包括负载电路，从连接到受电线圈的第一谐振电路提供具有第一功率值的第一信号，以及将第一功率值发送到功率的第一收发器 传输设备。 电力传输装置包括：第二谐振电路，包括输入具有第二功率值的第二信号的多个电感器和电容器;连接到第二谐振电路的电力传输线圈;从第二谐振电路接收第一功率值的第二收发器; 第一收发器和第一控制电路，其使用第一功率值和第二功率值来计算功率传输效率，并且基于所述第一功率值和所述第二功率值调整所述电感器的电感值和/或所述电容器的电容值中的至少一个 电力传输效率。
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