Wireless charging methods and systems for game controllers, based on pocket-forming

  • US 9,899,861 B1
  • Filed: 12/30/2014
  • Issued: 02/20/2018
  • Est. Priority Date: 10/10/2013
  • Status: Active Grant
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First Claim
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1. A method for wireless power supply to a game controller, the method comprising:

  • receiving, by a transmitter and from a receiver coupled with a game controller, a communication signal indicating a power requirement of the game controller;

    in response to receiving the communication signal from the receiver;

    determining a location of the game controller based on the communication signal;

    generating, by the transmitter, a plurality of radio frequency (RF) power transmission waves; and

    controlling, by the transmitter, transmission of the generated plurality of RF power transmission waves through at least two antenna elements coupled to the transmitter, wherein the transmitter shifts a phase and a gain of a respective RF power transmission wave with respect to other respective RF power transmission waves so that the plurality of RF power transmission waves converges to form a constructive interference pattern in proximity to the determined location of the game controller.

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