Wireless power receiver and host control interface thereof

  • US 10,205,346 B2
  • Filed: 03/23/2016
  • Issued: 02/12/2019
  • Est. Priority Date: 03/17/2008
  • Status: Active Grant
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First Claim
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1. A wireless power receiver configured to receive power from a wireless power outlet and to communicate with a host for providing electrical power thereto, said wireless power receiver comprising:

  • a secondary coil configured to receive power from a primary coil associated with said wireless power outlet; and

    a host control interface configured to facilitate communication between said wireless power receiver and said host;

    wherein said host control interface comprises;

    one or more information-carrying contacts configured to conduct at least one of a clock signal or a data signal between said wireless power receiver and the host;

    a supply input contact and a power supply ground contact configured to cooperate to provide power between said wireless power receiver and the host;

    an interrupt-signal contact configured to carry an INTERRUPT signal from said wireless power receiver and the host;

    an enable-signal contact configured to carry an ENABLE signal from said host to the wireless power receiver, andinternal registers configured to control operation based on values stored in at least some of said registers,wherein the wireless power receiver is configured to facilitate one or more of the following based on the values stored in the registers;

    the host querying the wireless power receiver for identification;

    the host setting operational parameters thereof;

    direct connection between the wireless power receiver and a battery of the host;

    communication between the wireless power receiver and the wireless power outlet via wireless charging coupling formed therebetween;

    bi-directional communication, via the wireless power receiver, between the wireless power outlet and said host;

    the wireless power receiver to operate as a wireless power outlet;

    host authentication; and

    upgrading of firmware associated with the wireless power receiver.

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