INDUCTIVE POWER SUPPLY SYSTEM WITH MULTIPLE COIL PRIMARY

  • US 20090230777A1
  • Filed: 03/12/2009
  • Published: 09/17/2009
  • Est. Priority Date: 03/13/2008
  • Status: Active Grant
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First Claim
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1. An inductive power supply for supplying wireless power to a remote device including power demand information, said inductive power supply comprising:

  • a plurality of tank circuits, wherein each tank circuit includes a primary and a capacitor electrically connected in series, wherein each of said plurality of tank circuits are capable of being energized to transfer power wirelessly to the remote device;

    a receiver for receiving power demand information from the remote device; and

    a controller in electrical communication with said receiver and said plurality of tank circuits, said controller programmed to select at least one of said plurality of tank circuits to transfer power wirelessly to the remote device, wherein said selection is determined as a function of said power demand information received from the remote device.

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