Antenna for wireless charging systems

  • US 9,899,744 B1
  • Filed: 10/28/2015
  • Issued: 02/20/2018
  • Est. Priority Date: 10/28/2015
  • Status: Active Grant
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First Claim
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1. A metamaterial system of a wireless transmission apparatus comprising:

  • a metamaterial layer comprising an array of unit cells, each of the unit cell including a surface having an aperture, the aperture is defined such that a periphery of the aperture is within a periphery of the surface by a spacing distance; and

    an element is disposed within the aperture;

    at least one input RF port disposed on a backing layer placed below the metamaterial layer such that there is no short-circuit between the conductive backing layer and the metamaterial layer; and

    at least one set of vias connecting the array of unit cells with the at least one input RF port.

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