Birch, Stewart, Kolasch & Birch, LLP
Wireless charging system for transferring power to receivers having different standards using coils of differing shapes
The present disclosure relates to a wireless power transfer method, a wireless power transmitter and a wireless charging system in a wireless power transfer field. That is, a wireless power transmitter configured transfer power to a wireless power receiver in a wireless manner, the transmitter configured to a first coil configured to convert a current into a magnetic flux, a second coil configured to be adjacent to the first coil on a plane, a third coil configured to have a different shape from the first and second coils and have at least part thereof which overlaps the first and second coils, respectively, and a controller configured to determine a coil to be activated among the first, second and third coils.
LG ELECTRONICS INC.
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Homan Jaesung Jeongkyo Jinmoo Jihyun
Park Lee Seo Park Lee