Methods and systems for maximum power point transfer in receivers

  • US 10,056,782 B1
  • Filed: 04/10/2015
  • Issued: 08/21/2018
  • Est. Priority Date: 05/10/2013
  • Status: Active Grant
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First Claim
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1. A receiver comprising:

  • a first antenna element configured to receive a first wireless signal comprising a first energy resulting from a first constructive interference pattern of a first plurality of wireless power transmission waves emitted from a visual output device;

    a first rectifier coupled to the first antenna element, wherein the first rectifier is configured to rectify the first energy received by the first antenna element;

    a second antenna element configured to receive a second wireless signal comprising a second energy resulting from a second constructive interference pattern of a second plurality of wireless power transmission waves emitted from the visual output device;

    a second rectifier coupled to the second antenna element, wherein the second rectifier is configured to rectify the second energy received by the second antenna element;

    an input boost converter coupled to the first rectifier, wherein the input boost converter is configured to step up the first energy rectified by the first rectifier, and wherein the input boost converter is further configured to determine at least one of a global power maximum and a local power maximum produced in the first rectifier; and

    a controller coupled to the input boost converter and the second rectifier, wherein the controller is configured to determine an available energy at the second rectifier based on the second energy, wherein the controller is further configured to determine a maximum power point (MPP) value from the first rectifier via the input boost converter, and wherein the controller is further configured to transmit an operational instruction to the input boost converter to further step up the first energy rectified by the first rectifier.

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