Birch, Stewart, Kolasch & Birch, LLP
Method of modulating wireless power transmission signal
A wireless power transmitter in which an adjustment of the operating frequency is performed by selecting a signal from two or more signals having different frequencies as a carrier signal, the selected signal having a frequency corresponding to data included in the packet, the two or more signals has a resonant frequency for resonance coupling with the wireless power receiver and a frequency within a predetermined frequency from the resonant frequency, and the two or more signals at the resonant frequency and the frequency within the predetermined frequency range indicates a first data value and a second data value which is different from the first data value respectively.
LG ELECTRONICS INC.
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Jaesung Jeongkyo Jinmoo Kihyun
Lee Seo Park Jung