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    • 3. 发明申请
    • POWER TRANSMISSION APPARATUS AND POWER RECEPTION APPARATUS
    • 电力传输装置和电力接收装置
    • US20130020876A1
    • 2013-01-24
    • US13491112
    • 2012-06-07
    • Yong Hae KIMSeung Youl KANGSang Hoon CHEONMyung Lae LEETaehyoung ZYUNG
    • Yong Hae KIMSeung Youl KANGSang Hoon CHEONMyung Lae LEETaehyoung ZYUNG
    • H01F38/14
    • H02J50/80H02J5/005H02J50/12
    • A power transmitter includes a signal processor that externally obtains a reception power state signal depending on variation of a distance between transmission and reception coil units, a modulation controller configured to a modulation frequency for selecting a frequency band having maximum power transmission performance, based on the reception power state signal, a power signal generator that generates a power signal, and a modulator that modulates the power signal in response to the modulation frequency, the reception coil unit being configured to transmit the modulated signal. A power receiver includes a reception coil unit that receives a power signal, a power generator that generates power by receiving the power signal from the reception coil unit, and a signal generator that generates a reception power state signal depending on the generated power level and transmits the latter signal to a transmission coil unit corresponding to the reception coil unit.
    • 电力发送器包括:信号处理器,其根据发送和接收线圈单元之间的距离的变化外部获取接收功率状态信号;调制控制器,被配置为用于选择具有最大功率传输性能的频带的调制频率,基于 接收功率状态信号,产生电力信号的电力信号发生器和响应于调制频率调制功率信号的调制器,接收线圈单元被配置为发送调制信号。 电力接收机包括接收电力信号的接收线圈单元,通过接收来自接收线圈单元的电力信号而发电的发电机,以及根据发电功率电平生成接收功率状态信号的信号发生器, 后者发送到对应于接收线圈单元的发送线圈单元。