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Apparatuses for providing power for illumination of a display object

  • US 8,739,441 B2
  • Filed: 06/13/2011
  • Issued: 06/03/2014
  • Est. Priority Date: 05/13/2008
  • Status: Active Grant
First Claim
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1. An apparatus for providing power to an emitting apparatus having a first secondary inductor and an illumination source, the apparatus comprising:

  • a primary inductor;

    a controller coupled to the primary inductor, the controller to control a voltage or current provided to the primary inductor to generate a first primary inductor voltage or current for the illumination source to emit visible light when the first secondary inductor is within a predetermined distance of the primary inductor; and

    a feedback circuit coupled to the controller, the feedback circuit comprising a second, feedback secondary inductor.

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