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Systems, methods, and apparatus for small device wireless charging modes

  • US 9,142,999 B2
  • Filed: 11/13/2012
  • Issued: 09/22/2015
  • Est. Priority Date: 07/13/2012
  • Status: Active Grant
First Claim
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1. A wireless charging device comprising:

  • a transmitter configured to wirelessly transmit power via a wireless field at a power level sufficient to charge one or more electronic devices according to one or more charging modes, the one or more charging modes including at least;

    a first charging mode in which the transmitter is configured to vary the power level of the transmitter based on feedback received from a first electronic device of the one or more electronic devices, the first electronic device capable of providing the feedback; and

    a second charging mode in which the power level is constant for charging second electronic device of the one or more electronic devices, the second electronic device incompatible with charging according to the first charging mode;

    a sensor configured to obtain input for switching between the first charging mode and the second charging mode; and

    a controller configured to switch between the first charging mode and the second charging mode in response to the input from the sensor.

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