Antenna for wireless charging systems

  • US 9,853,485 B2
  • Filed: 10/28/2015
  • Issued: 12/26/2017
  • Est. Priority Date: 10/28/2015
  • Status: Active Grant
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First Claim
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1. A wireless transmission apparatus comprising:

  • a metamaterial layer including a unit cell, wherein the unit cell includes a surface having a metal patch with an aperture, the aperture is defined such that a periphery of the aperture is within a periphery of the metal patch by a spacing distance, and an antenna element is disposed within the aperture.

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