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Wireless Power Transmission

  • US 20120326660A1
  • Filed: 06/27/2012
  • Published: 12/27/2012
  • Est. Priority Date: 06/27/2011
  • Status: Active Grant
First Claim
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1. A system configured to selectively operate in a number of modes including a radar mode and power-delivery mode, the system comprising:

  • a plurality of spatially-distributed charging panels each of which includes a respective one or more antenna elements, the antenna elements of the charging panels forming an array of antenna elements,wherein the charging panels are configured to operate in the radar mode to receive a pilot signal from a powered device, and localize the powered device based thereon,wherein the charging panels are configured to operate in the power-delivery mode to cause radiation of a focused wireless power beam to the powered device, the charging panels being configured to cause radiation of the focused wireless power beam via the array of antenna elements configured to collaboratively radiate wireless power as a distributed, retro-reflective beamformer.

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