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APPARATUS FOR WIRELESS DEVICE CHARGING USING RADIO FREQUENCY (RF) ENERGY AND DEVICE TO BE WIRELESSLY CHARGED

  • US 20130141037A1
  • Filed: 05/26/2012
  • Published: 06/06/2013
  • Est. Priority Date: 12/05/2011
  • Status: Active Grant
First Claim
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1. An apparatus for wireless charging using radio frequency (RF) energy, comprising:

  • a first charger portion having first and second charging areas, the first and second charging areas located in a common plane, the first and second charging areas each having at least one coil for wirelessly charging a charge-receiving device placed in proximity to any of the first and second charging areas, the at least one coil in each of the first and second charging areas comprising a respective winding, the winding of the coil in the first charging area being wound in a direction opposite that of the winding of the coil in the second charging area, each coil being connected in series, each coil configured to charge at least one charge-receiving device; and

    a second charger portion having a third charging area, the third charging area having at least one coil comprising a winding for wirelessly charging a charge-receiving device placed in proximity to the third charging area, the coil in the third charging area being connected in series with the coils in the first and second charging areas, the third charging area located in a plane that is orthogonal to the plane of the first and second charging areas.

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