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Hearing aid with magnetostrictive electroactive sensor

  • US 9,820,063 B2
  • Filed: 02/10/2014
  • Issued: 11/14/2017
  • Est. Priority Date: 07/11/2011
  • Status: Active Grant
First Claim
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1. A hearing aid configured to receive a sound from an assistive listening device and deliver the sound to a wearer having an ear canal, comprising:

  • a hearing aid circuit including a microphone, a receiver, and an audio processor coupled between the microphone and the receiver;

    a magnetostrictive electroactive (ME) sensor configured to sense a sound magnetic field applied to the hearing aid by the assistive listening device and generate a sound signal in response to the sound magnetic field being sensed, the sound magnetic field being a magnetic field representing the sound, the sound signal being an electrical signal representing the sound; and

    a sensor processing circuit coupled to the ME sensor, the sensor processing circuit including a sound processing circuit configured to receive the sound signal from the ME sensor and process the sound signal for delivering the sound to the ear canal using the receiver.

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