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WIRELESS POWER SYSTEM WITH CAPACITIVE PROXIMITY SENSING

  • US 20140049422A1
  • Filed: 10/11/2012
  • Published: 02/20/2014
  • Est. Priority Date: 08/17/2012
  • Status: Active Grant
First Claim
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1. A method of wireless power transmission comprising:

  • exciting a first part of a wireless power transmission system, via a wireless power transmitter;

    detecting, in the presence of a non-charging object, a first change in a first parameter indicative of a coupling between the non-charging object and the first part; and

    varying a characteristic of the wireless power transmission based on said first change.

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