Inductively chargeable audio devices

  • US 8,193,769 B2
  • Filed: 01/25/2010
  • Issued: 06/05/2012
  • Est. Priority Date: 10/18/2007
  • Status: Active Grant
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First Claim
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1. A speaker device comprising a voice coil conductively connected to a switching unit, said voice coil to convert an electrical signal from an audio device into an audible output, and the voice coil is further selectively inductively couplable to a primary inductor to provide power to the audio device;

  • whereinsaid switching unit is configured to selectively disconnect the voice coil from an audio signal input and to connect the voice coil to a charger output, for conductively connecting said voice coil to a power cell via a rectification unit.

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