Planar resonator for wireless power transfer

  • US 6,960,968 B2
  • Filed: 06/26/2002
  • Issued: 11/01/2005
  • Est. Priority Date: 06/26/2002
  • Status: Expired due to Fees
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First Claim
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1. A planar resonator comprising:

  • a first coiled conductor arranged on a substrate; and

    a second coiled conductor having a vertical axis aligned with said first coiled conductor, and electrically insulated from the first coiled conductor;

    the first and second coiled conductors being wound in a common direction, without any other conductors between the first and second conductors and having a predetermined self-resonant frequency, wherein;

    a capacitance between the first and second conductors permits energy transfer between the first and second coiled conductors, and the arrangement of the coiled conductors comprises a series resonant configuration.

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