Patent ID: 9467205
Filing Date: 2016-10-11
CPC Classification: H02J,H04B

Claim Text:
1. An energy receiver to receive energy in a wireless manner from an energy transmitter, said energy receiver comprising: a resonance circuit including at least an inductor, a first capacitor, and a second capacitor; a Q-value circuit configured to be selectively connected to the resonance circuit, the Q-value circuit being configured to obtain a first voltage taken at a first node of the resonance circuit and a second voltage taken at a second node of the resonance circuit, wherein, the first and second capacitors are connected in series between the first and second nodes; and a switching circuit having a plurality switches to selectively connect the resonance circuit to the Q-value circuit, wherein the Q-value circuit includes: wherein the Q-value circuit is configured to detect an electromagnetically coupled state of at least the inductor.