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METHOD AND APPARATUS FOR PERIODICALLY CHANGING FREQUENCY IN WIRELESS POWER TRANSFER

  • US 20150162785A1
  • Filed: 07/06/2012
  • Published: 06/11/2015
  • Est. Priority Date: 07/06/2012
  • Status: Active Grant
First Claim
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1. A wireless power transfer apparatus, comprising:

  • a power transmission unit configured to generate a wireless power signal for transferring wireless power based on a carrier signal; and

    a control unit configured to determine a sweep frequency range and sweep period for the carrier signal and control the power transmission unit to periodically change the frequency of the wireless power signal by periodically changing the frequency of the carrier signal based on the determined sweep frequency range and sweep period.

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