Adaptive inductive power supply with communication

  • US 20040130915A1
  • Filed: 10/20/2003
  • Published: 07/08/2004
  • Est. Priority Date: 06/21/1999
  • Status: Active Grant
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First Claim
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1. A contactless power supply for providing power to a remote device comprising:

  • a resonant circuit having a variable resonant frequency and a primary winding for transferring power to a remote device;

    a receiver for receiving information from the remote device;

    and a controller for varying the variable resonant frequency in response to information received from the remote device.

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