| 摘要 |
A wireless power transmission device according to an embodiment of the present invention comprises an impedance matching unit including at least one variable capacitor; and an impedance control unit obtaining at least one among a distance and an angle from a receiver and controlling a capacitance value of the variable capacitor by using at least one among the obtained distance and angle. [Reference numerals] (110) Impedance matching unit;(121) Confirmation unit;(122) Acquisition unit;(123) Determining unit;(130) Storage unit |
