Birch, Stewart, Kolasch & Birch, LLP
Wireless power transmitter and wireless power transmission method
A wireless power transmitter is disclosed. The wireless power transmitter, which is capable of charging a plurality of wireless power receivers, includes: a plurality of coil cells; a main half-bridge inverter to which a main pulse signal is applied; a plurality of sub half-bridge inverters to which a first sub pulse signal or second sub pulse signal is applied; a current sensor that monitors the current through the coil cells; and a communications and control unit that controls the pulse signals applied to the main half-bridge inverter and sub half-bridge inverters and that communicates with the wireless power receivers, wherein the sub half-bridge inverters may be respectively connected to the coil cells.
LG ELECTRONICS INC.
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Jeongkyo Jinmoo Yongcheol Hyunbeom Byungsang Seonghun Jaesung Jihyun
Seo Park Park Lee Jung Lee Lee Lee