External or internal wireless power receiver with spaced-apart antenna elements for charging or powering mobile devices using wirelessly delivered power

  • US 10,075,017 B2
  • Filed: 12/29/2014
  • Issued: 09/11/2018
  • Est. Priority Date: 02/06/2014
  • Status: Active Grant
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First Claim
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1. A method for wireless power transmission to a mobile device, comprising:

  • receiving, by a plurality of separate antenna elements of a wireless power receiver, radio frequency (RF) power transmission waves that are transmitted by a wireless power transmitter to converge to form constructive interference patterns in a three dimensional space as a pocket of energy at a predetermined location, wherein the wireless power receiver is coupled with a mobile device; and

    converting, by the wireless power receiver, energy from the pocket of energy at the predetermined location to direct current electricity that is used to charge the mobile device,wherein each of the plurality of separate antenna elements is spaced apart from each other and is on a flexible printed circuit film that is attached to the mobile device or a housing coupled to the mobile device.

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