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Inductive power supply system with multiple coil primary

  • US 8,338,990 B2
  • Filed: 03/12/2009
  • Issued: 12/25/2012
  • Est. Priority Date: 03/13/2008
  • Status: Active Grant
First Claim
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1. An inductive power supply for supplying wireless power to a remote device, said inductive power supply comprising:

  • a segmented primary including a plurality of primary segments, said segmented primary energizable to transfer power wirelessly to the remote device;

    a plurality of switches; and

    a controller for selectably configuring said switches to configure said plurality of primary segments of said segmented primary between a plurality of different series and parallel electrical configurations.

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