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System, apparatus, and method for capacitive wireless charging

  • US 10,461,566 B2
  • Filed: 10/06/2017
  • Issued: 10/29/2019
  • Est. Priority Date: 10/06/2017
  • Status: Active Grant
First Claim
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1. A capacitive wireless charging system, comprising:

  • a charging circuit having adjustable operating characteristics, and including two coupling capacitors formed by two transmitter electrode plates of a source device at least partially overlapping two receiver electrode plates of a user device; and

    a positioning device configured to move at least one of the transmitter electrode plates in order to adjust coupling characteristics of the coupling capacitors to reach a pre-determined threshold wherein the at least one transmitter electrode plate is configured to rotate around an axis that is geometrically off center of the at least one transmitter electrode plate and the coupling characteristics indicate a total coupling capacitance of the coupling capacitors.

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