Apparatus and method for controlling resonator of wireless power transmission system

摘要

A source device configured to transmit a magnetic field via magnetic resonance with a target device includes a source resonator including a plurality of loop circuits respectively configured to generate different magnetic fields each depending on a length of a corresponding one of the plurality of loop circuits, and a circuit selector configured to select one loop circuit among the plurality of loop circuits based on information associated with the target device.

主权项

1. A source device transmitting a wireless power to a target device, the source device comprising:
a source resonator comprising a plurality of loop circuits respectively configured to generate different magnetic fields each depending on a length of a corresponding one of the plurality of loop circuits; and a circuit selector configured to select one loop circuit among the plurality of loop circuits based on information associated with the target device, wherein the source resonator further comprises:
a plurality of capacitors respectively corresponding to the plurality of loop circuits; anda plurality of first switches respectively corresponding to the plurality of loop circuits and each configured to connect a corresponding one of the plurality of capacitors to a corresponding one of the plurality of loop circuits.