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US 10,256,666 B2Granted
Wireless power transfer method, apparatus and system
AssigneeLG Electronics Inc.
InventorsByungsang Jung, Hyunbeom Lee, Seonghun Lee, Yongcheol Park
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AssigneeLG Electronics Inc.
InventorsByungsang Jung, Hyunbeom Lee, Seonghun Lee, Yongcheol Park
Estimating the term…
The present disclosure relates to a wireless power reception method, a wireless power reception apparatus, and a wireless charging system in a wireless power transmission and reception field, and the wireless power reception apparatus may include a power receiving unit configured to change a magnetic flux to a current to receive power in a wireless manner, and a power controller connected to the power receiving unit to change a resonant frequency to control power received from the power receiving unit, wherein the power controller includes a first capacitor, a second capacitor connected to the first capacitor in parallel, a first switch connected to the second capacitor in series to flow a current in a first direction, a second switch configured to flow a current in a second direction opposite to the first direction, and a switch controller configured to control the first and the second switch.
A wireless power transmitter for transmitting power in a wireless manner, the wireless power transmitter comprising:
A control method of wireless power transmitter for transmitting power, the wireless power transmitter including a plurality of coils configured to change a current to a magnetic flux to transmit power in a wireless manner, a plurality of sub-half bridge inverters connected to the plurality of coils, respectively, and a main half bridge inverter connected to all the plurality of sub-half bridge inverters, the method comprising:
Dependencies are inferred from the claim text.