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Rechargeable battery circuit and structure for compatibility with a planar inductive charging platform

  • US 20070029965A1
  • Filed: 09/23/2005
  • Published: 02/08/2007
  • Est. Priority Date: 07/25/2005
  • Status: Active Grant
First Claim
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1. A battery pack for an electronic device comprising:

  • battery cells, a battery charging circuit, an energy receiving element adapted to receive power from a planar inductive charging system, said energy receiving element having an inductance, a capacitor connected to said energy receiving element and forming a resonant tank therewith, and a diode rectifier and a DC capacitor connected to the energy receiving element to provide a rectified DC voltage that can be fed from the energy receiving element to said battery charging circuit.

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