Birch, Stewart, Kolasch & Birch, LLP
Wireless power transmitter and wireless power transfer method thereof
A wireless power transmitter including a power supply unit configured to supply an input voltage; a power conversion unit configured to generate wireless power based on a driving signal, generated by the supplied input voltage and a first pulse width modulation (PWM) signal, and transfer the wireless power to a wireless power receiver; and a power transmission control unit configured to receive a voltage value of a battery charged with the wireless power through a wireless network, and generate the first PWM signal based on the voltage value of the battery.
LG ELECTRONICS INC.
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Byungsang Kwangmin Beomseok Jeongkyo Junyoung
Jung Yoo Chae Seo Lee