Patent ID: 9590446
Date: 2017-03-07
CPC Classifications: H02J

Claim:
1. A wireless charging apparatus, comprising: an antenna that receives electrical waves; a first charging power generator including a first switch that connects the first charging power generator to the antenna in response to a first control signal, the first charging power generator generating charging power for charging a battery using the electrical waves received by the antenna; a second charging power generator including a second switch that connects the second charging power generator to the antenna in response to a second control signal, the second charging power generator generating charging power for charging the battery using the electrical waves received through the antenna; and a controller that senses a frequency of the electrical waves received through the antenna, activates the first control signal when the sensed frequency corresponds to a first frequency band, and activates the second control signal when the sensed frequency corresponds to a second frequency band lower than the first frequency band.