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Regulation of wirelessly charging multiple devices from the same source

  • US 9,018,898 B2
  • Filed: 06/01/2012
  • Issued: 04/28/2015
  • Est. Priority Date: 02/10/2012
  • Status: Active Grant
First Claim
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1. A method comprising:

  • in a wireless power receiving system, performing;

    providing a power usage indication, wirelessly, to a wireless power transfer system that prompts the wireless power transfer system to determine whether a power receiving state of the wireless power receiving system is at or above a threshold;

    receiving a mode indication from the wireless power transfer system associated with the power receiving state being at or above the threshold, and in response to the mode indication, alternating the wireless power receiving system between a power transfer mode and a non-power transfer mode; and

    with the wireless power receiving system being in the non-power transfer mode, consuming substantially no power wirelessly transferred from the wireless power transfer system so as to make more of the power wirelessly transferred available for consumption by one or more other wireless power receiving systems.

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