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Twisted wire for power charging

  • US 10,144,302 B2
  • Filed: 09/23/2016
  • Issued: 12/04/2018
  • Est. Priority Date: 09/23/2016
  • Status: Active Grant
First Claim
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1. A device for generating or receiving wireless power via a magnetic field at a level sufficient to power or charge an electronic device, comprising:

  • a first coil configured to generate or receive wireless power via a magnetic field, the first coil comprising one or more first windings each having a substantially rectangular cross-section with at least a first surface having a first width and a second surface orthogonal to the first surface having a second width greater than the first width, each of the first windings comprising;

    a first segment having the first surface oriented horizontally and the second surface in the first segment oriented vertically relative to a surface of a housing structure; and

    a second segment having the first surface in the second segment oriented vertically and the second surface in the second segment oriented horizontally relative to the surface of the housing structure, the second segment connected to the first segment via a twisted segment;

    wherein the first segments of the first windings are arranged in a single-stacked arrangement in a first portion of the first coil, and the second segments of the first windings are arranged in a double-stacked arrangement in a second portion of the first coil.

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