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METHOD FOR AVOIDING SIGNAL COLLISION IN WIRELESS POWER TRANSFER

  • US 20130002038A1
  • Filed: 06/29/2012
  • Published: 01/03/2013
  • Est. Priority Date: 06/29/2011
  • Status: Active Grant
First Claim
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1. A wireless power transmitter comprising:

  • a power conversion unit configured to form a wireless power signal for power transmission; and

    a power transmission control unit configured to control the power conversion unit to receive a first response signal from a first wireless power receiver, the first response signal corresponding to the wireless power signal, and to receive a second response signal from a second wireless power receiver, the second response signal avoiding collision with the first response signal,wherein the second wireless power receiver receives the first response signal, detects a time point when the second response signal avoids collision with the first response signal, and generates the second response signal at the collision-avoided time point.

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