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RECEIVERS FOR WIRELESS POWER TRANSMISSION

  • US 20140008992A1
  • Filed: 05/10/2013
  • Published: 01/09/2014
  • Est. Priority Date: 07/06/2012
  • Status: Active Grant
First Claim
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1. A receiver for a wireless power transmission, comprising:

  • an antenna element 304 for sending and receiving RF signals;

    a rectifier 306 connected to the antenna element 304 for rectifying alternating current generated by the antenna element 304 to direct current;

    a power converter 308 connected to the rectifier for regulating the DC voltage for charging a portable electronic device directly or a battery associated with the electronic device; and

    a communications component 310 for generating a communication RF signal identifying the battery level of the electronic device and a tracking location of the receiver with respect to a power transmitter, the power transmitter in response to the communication RF signal generating RF power waves controlled through phase and relative amplitude to form constructive and destructive interference patterns forming pockets of energy in 3-dimensional shape from the constructive interference patterns that are aimed at the antenna element 304 for powering the electronic device or for charging a battery connected to the receiver.

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