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Mobile wireless communications device including shared voice coil to provide hearing aid compatibility and related methods

  • US 8,548,537 B2
  • Filed: 10/01/2012
  • Issued: 10/01/2013
  • Est. Priority Date: 01/18/2008
  • Status: Active Grant
First Claim
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1. An electronic device for use with a hearing aid comprising a hearing aid compatible (HAC) coil, the electronic device comprising:

  • a housing;

    an audio speaker carried by said housing;

    a positioning coil carried by said housing; and

    circuitry carried by said housing and coupled to said audio speaker and said positioning coil and configured to selectively operate said positioning coil for positioning and for inductively coupling with the HAC coil;

    said circuitry comprising a bias circuit configured to bias said positioning coil between a first equilibrium position and a second equilibrium position for coupling with the HAC coil.

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