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Automatic magnetic detection in hearing aids

  • US 20040247145A1
  • Filed: 06/03/2003
  • Published: 12/09/2004
  • Est. Priority Date: 06/03/2003
  • Status: Active Grant
First Claim
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1. A hearing aid system comprising:

  • a) an acoustic sensor for sensing an acoustic signal and providing an input acoustic signal, the input acoustic signal having acoustic information;

    b) a magnetic sensor for sensing a magnetic field signal and providing an input magnetic signal, the input magnetic signal having magnetic information;

    c) a magnetic signal detector connected to the magnetic sensor and the acoustic sensor for selecting one of the input acoustic signal and the input magnetic signal as an information signal, wherein the magnetic signal detector selects the input magnetic signal as the information signal after a magnetic signal detection process has at least partially analyzed the input magnetic signal in order to determine if the input magnetic signal may include audio information; and

    , d) a hearing aid module connected to the magnetic signal detector for processing the information signal and providing an output signal to a user of the hearing aid system.

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