CPC H02J 50/12 (2016.02) [H02J 50/70 (2016.02)] | 9 Claims |
1. A wireless power transmission system including a wireless power transmission apparatus and a wireless power receiver,
wherein the wireless power receiver comprises a reception cavity, and
wherein the wireless power transmission apparatus comprises:
a transmission cavity leaking electromagnetic waves to the reception cavity of the wireless power receiver through cavity-resonance with the reception cavity; and
a nonlinear feedback circuit formed on a feedback path including the transmission cavity and configured to adaptively control an operating frequency in response to a change in a system resonance frequency according to the cavity-resonance,
wherein each of the transmission cavity and the reception cavity includes a body part having a cavity formed therein, and a mesh part formed of a conductor on the body part.
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