Patent ID: 9276641
Filing Date: 2016-03-01
CPC Classification: B60L,B60R,H02J,H04B,H04W,Y02T

Claim Text:
1. A wireless power transmission method for preventing frequency interference in a wireless power system including a wireless power charger and an adjacent-frequency-using apparatus, the method comprising: generating, by the vehicle wireless charger, a power signal, which is a low frequency signal; transmitting, by the vehicle wireless charger, the power signal through a first antenna while the vehicle wireless charger is operating; generating, by the adjacent-frequency-using apparatus, a power transmission restriction signal to cause the vehicle wireless charger to temporarily stop operating; transmitting, by the adjacent-frequency-using apparatus, the power transmission restriction signal; and searching, by the adjacent-frequency-using apparatus, the low frequency signal using a second antenna, without signal interference, while the operation of the vehicle wireless charger is temporarily stopped.