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COIL CONFIGURATIONS FOR INDUCTIVE POWER TRANSFER

  • US 20150236520A1
  • Filed: 05/05/2015
  • Published: 08/20/2015
  • Est. Priority Date: 06/10/2010
  • Status: Active Grant
First Claim
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1. A receiving unit for receiving power wirelessly from an inductive primary unit, said receiving unit comprising:

  • a secondary circuit configured to inductively couple with said inductive primary unit for receiving power wirelessly at a first range of distances between said receiving unit and said inductive primary unit;

    a resonating circuit configured to inductively couple with said inductive primary for receiving power wirelessly at a second range of distances between said receiving unit and said inductive primary unit, said resonating circuit including an adjustable element, wherein said resonating circuit is configured to inductively couple with said secondary circuit to transfer power from said inductive primary unit to said receiving unit, wherein said first range is different from said second range; and

    a controller electrically coupled to said adjustable element, said controller for selectively adjusting said adjustable element.

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