×

Apparatus and method for wireless power transfer

  • US 10,447,088 B2
  • Filed: 07/13/2017
  • Issued: 10/15/2019
  • Est. Priority Date: 07/14/2016
  • Status: Active Grant
First Claim
Patent Images

1. A device for wirelessly transferring power to an external device, the device comprising:

  • a resonant circuit comprising an adaptive circuit comprising at least one variable capacitor and a first inductor inductively coupled to the external device and configured to transfer the power to the external device using inductive coupling; and

    a first direct current (DC) power supply configured to apply a controllable variable output DC voltage to the adaptive circuit based on a control signal,wherein a capacitance of the at least one variable capacitor is adjusted based on the controllable variable output DC voltage applied to the adaptive circuit.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×