3D ceramic mold antenna

  • US 10,734,717 B2
  • Filed: 10/13/2015
  • Issued: 08/04/2020
  • Est. Priority Date: 10/13/2015
  • Status: Active Grant
  • ×
    • Pin Icon | RPX Insight
    • Pin
First Claim
Patent Images

1. An antenna, comprising:

  • a plurality of unit cells configured to radiate radio frequency (RF) power transmission signals, each of the unit cells comprising;

    a feed point including an electrical conductor;

    a three-dimensional resonator element configured to radiate a RF power transmission signal provided through the feed point to a wireless-power-receiving device, wherein;

    the three-dimensional resonator element is helical shaped and includes a plurality of turns, anda frequency and directivity of the RF power transmission signal are based on a number of turns in the plurality of turns;

    a substrate embedding the three-dimensional resonator element, wherein the substrate is made of a dielectric material; and

    a wall that surrounds at least a part of the substrate, wherein;

    the wall is made of a metallic material that is distinct from the dielectric material, andthe wall is configured to (i) act as a waveguide or quasi-waveguide structure for the RF power transmission signal to guide it towards the wireless-power-receiving device and (ii) isolate transmission of the RF power transmission signal by a respective unit cell from RF power transmission by neighboring unit cells of the plurality of units cells, anda support base surrounding a bottom portion of the three-dimensional resonator element, the support base operating as a ground plane for the three-dimensional resonator element,wherein at least one substrate included in at least one of the plurality of unit cells has a different permittivity than a remainder of the plurality of unit cells other than the at least one of the plurality of unit cells; and

    wherein the wireless-power-receiving device converts received RF power transmission signals into usable energy for powering an electronic device coupled to the wireless-power-receiving device.

View all claims