System, an inductive power device, an energizable load and a method for enabling a wireless power transfer

  • US 7,932,798 B2
  • Filed: 03/09/2006
  • Issued: 04/26/2011
  • Est. Priority Date: 03/14/2005
  • Status: Active Grant
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First Claim
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1. A system for enabling an inductive power transfer from an inductive powering device to an energizable load, wherein the energizable load comprises an inductor winding cooperating with a magnetizable conductor and connected to a rechargeable battery, and wherein the inductive powering device comprises a further inductive winding cooperating with a further magnetizable conductor, said further inductive winding interacting with the inductor winding for forming a split-core electric transformer, wherein the split-core electric transformer is arranged with a permanent magnet such that it exerts a magnetic force on the magnetizable conductor or on the further magnetizable conductor for aligning the inductor winding with respect to the further inductive winding, wherein when the inductor winding is aligned with the further inductive winding, electrical power charges the rechargeable battery, wherein the energizable load is integrated in a wearable article, and wherein the inductor winding is woven or stitched into fabric of the wearable article.

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