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    • 2. 发明申请
    • POWER TRANSMISSION DEVICE, ELECTRONIC INSTRUMENT, AND WAVEFORM MONITORING CIRCUIT
    • 电力传输装置,电子仪器和波形监测电路
    • US20090009006A1
    • 2009-01-08
    • US12167812
    • 2008-07-03
    • Mikimoto JINTakahiro KAMIJOKentaro YODAHaruhiko SOGABEKota ONISHIKen IISAKA
    • Mikimoto JINTakahiro KAMIJOKentaro YODAHaruhiko SOGABEKota ONISHIKen IISAKA
    • H02J17/00
    • H02J50/80H02J7/0011H02J7/025H02J7/045H02J50/12H02J50/60H02J50/90
    • A power transmission device of a non-contact power transmission system includes a waveform monitoring circuit that generates and outputs a waveform-monitoring induced voltage signal based on a coil end signal of a primary coil, and a power transmission control device that controls a power transmission driver that drives the primary coil, the power transmission control device receiving the waveform-monitoring induced voltage signal and detecting a change in waveform of the induced voltage signal to detect a power-reception-side load state. The waveform monitoring circuit includes a first rectifier circuit having a limiter function, the first rectifier circuit including a current-limiting resistor provided between a coil end node where the coil end signal of the primary coil is generated and a monitoring node where the waveform-monitoring induced voltage signal is generated, performing a limiter operation that clamps the induced voltage signal at a high-potential-side power supply voltage, and subjecting the induced voltage signal to half-wave rectification.
    • 非接触式电力传输系统的电力传输装置包括:波形监视电路,其根据初级线圈的线圈端信号生成并输出波形监视感应电压信号;以及电力传输控制装置,其控制电力传输 驱动初级线圈的驱动器,电力传输控制装置接收波形监视感应电压信号,并检测感应电压信号的波形变化,以检测受电方负载状态。 该波形监视电路包括具有限制功能的第一整流电路,该第一整流电路包括一限流电阻器,该限流电阻器设置在产生初级线圈的线圈端信号的线圈端节点与该波形监测 产生感应电压信号,执行将感应电压信号钳位在高电位侧电源电压的限幅器操作,并对感应电压信号进行半波整流。
    • 5. 发明申请
    • STRUCTURE HAVING A POWER TRANSMITTING DEVICE
    • 具有发电装置的结构
    • US20090079270A1
    • 2009-03-26
    • US12237449
    • 2008-09-25
    • Mikimoto JIN
    • Mikimoto JIN
    • H02J17/00
    • H02J50/12H02J5/005H02J7/025H02J50/60H02J50/80H02J50/90
    • A structure compliant with non-contact power transmission includes a placement member that includes a placement side, an electronic instrument including a non-contact power transmission power receiving device being placed on the placement side, a non-contact power transmission power transmitting device, and a position detection circuit that detects the positional relationship between a primary coil and a secondary coil. The power transmitting device detects the relative positional relationship between the primary coil and the secondary coil using a harmonic detection circuit, and drives an XY stage using an actuator to automatically position the primary coil with respect to the secondary coil, for example.
    • 符合非接触式电力传输的结构包括:放置构件,其包括放置侧,电子仪器,包括放置在放置侧的非接触式电力传输电力接收装置,非接触式电力传输电力传输装置和 检测初级线圈和次级线圈之间的位置关系的位置检测电路。 电力传输装置使用谐波检测电路检测初级线圈和次级线圈之间的相对位置关系,并且使用致动器驱动XY台,以例如相对于次级线圈自动定位初级线圈。
    • 6. 发明申请
    • POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMISSION DEVICE, ELECTRONIC INSTRUMENT, AND NON-CONTACT POWER TRANSMISSION SYSTEM
    • 电力传输控制装置,电力传输装置,电子仪器和非接触式电力传输系统
    • US20090026844A1
    • 2009-01-29
    • US12163300
    • 2008-06-27
    • Ken IISAKAMikimoto JIN
    • Ken IISAKAMikimoto JIN
    • H01F38/00
    • H02J50/12H01F38/14H02J7/025H02J50/60H02J50/80H02J50/90
    • A power transmission control device provided in a power transmission device of a non-contact power transmission system includes a drive clock signal generation circuit that generates a drive clock signal specifying a drive frequency of a primary coil, a driver control circuit that generates a driver control signal based on the drive clock signal, and outputs the driver control signal to a transmission driver, a waveform detection circuit that detects a change in waveform of an induced voltage signal of the primary coil, and a control circuit that performs foreign object detection based on a detection result of the waveform detection circuit. The drive clock signal generation circuit outputs the drive clock signal set at a foreign object detection frequency during foreign object detection, the foreign object detection frequency being a frequency differing from a normal power transmission frequency.
    • 设置在非接触式电力传输系统的电力传输装置中的电力传输控制装置包括:驱动时钟信号生成电路,其生成指定初级线圈的驱动频率的驱动时钟信号;驱动器控制电路,其生成驱动器控制 信号,并且将驱动器控制信号输出到发送驱动器,检测初级线圈的感应电压信号的波形变化的波形检测电路,以及基于该信号进行异物检测的控制电路 波形检测电路的检测结果。 驱动时钟信号生成电路输出在异物检测期间以异物检测频率设定的驱动时钟信号,异物检测频率为与正常功率发送频率不同的频率。
    • 7. 发明申请
    • POWER TRANSMISSION CONTROL DEVICE, POWER TRANSMISSION DEVICE, ELECTRONIC INSTRUMENT, AND NON-CONTACT POWER TRANSMISSION SYSTEM
    • 电力传输控制装置,电力传输装置,电子仪器和非接触式电力传输系统
    • US20090001818A1
    • 2009-01-01
    • US12163266
    • 2008-06-27
    • Ken IISAKAMikimoto JIN
    • Ken IISAKAMikimoto JIN
    • H02J1/00H01F38/14
    • H02J50/10H02J7/0011H02J7/025H02J7/045H02J50/60H02J50/80
    • A power transmission control device provided in a power transmission device of a non-contact power transmission system includes a drive clock signal generation circuit that generates a drive clock signal, a driver control circuit that generates a driver control signal based on the drive clock signal, a waveform detection circuit, and a control circuit. The waveform detection circuit includes a pulse width detection circuit that measures a first pulse width period to detect first pulse width information, the first pulse width period being a period between a first edge timing of the drive clock signal and a first timing, the first timing being a timing when a first induced voltage signal that has changed from a low-potential-side power supply voltage exceeds a first threshold voltage. The control circuit detects the power-reception-side load state based on the first pulse width information.
    • 设置在非接触式电力传输系统的电力传输装置中的电力传输控制装置包括产生驱动时钟信号的驱动时钟信号产生电路,基于驱动时钟信号产生驱动器控制信号的驱动器控制电路, 波形检测电路和控制电路。 波形检测电路包括脉冲宽度检测电路,其测量检测第一脉冲宽度信息的第一脉冲宽度周期,第一脉冲宽度周期是驱动时钟信号的第一边缘定时与第一定时之间的周期,第一定时 是从低电位侧电源电压变化的第一感应电压信号超过第一阈值电压的时刻。 控制电路基于第一脉冲宽度信息来检测受电侧负载状态。