Power transmitting and receiving apparatus and method for performing a wireless multi-power transmission
A method and an apparatus for wireless power transmission by a power transmitting apparatus is provided. The method includes transmitting detection power towards a power receiving apparatus, detecting an impedance change made by the power receiving apparatus, transmitting driving power for communication with the power receiving apparatus towards the power receiving apparatus, receiving a search signal from the power receiving apparatus within a preset time, and determining whether the impedance change is within a first acceptable range based on the received search signal.
Samsung Electronics Co., Ltd
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Kyung-Woo Se-Ho Kang-Ho Sung-Ku Young-Min Yu-Su
Lee Park Byun Yeo Lee Kim