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Hearing instrument comprising a rechargeable power source

  • US 9,647,462 B2
  • Filed: 10/19/2010
  • Issued: 05/09/2017
  • Est. Priority Date: 10/19/2010
  • Status: Active Grant
First Claim
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1. A hearing instrument comprising:

  • an audio signal source for capturing audio signals;

    an audio signal processing unit for processing said audio signals;

    means to be worn at or in a user'"'"'s ear or to be implanted in a user'"'"'s head for stimulating a user'"'"'s hearing according to processed audio signals, anda rechargeable power source,wherein the rechargeable power source is a wound capacitor comprising a charging circuitry and a capacitor foil arrangement which comprises at least a first electrically conducting layer, a second electrically conducting layer and a dielectric layer in-between the first electrically conducting layer and the second electrically conducting layer and which is cylindrically wound in a manner so as to form a cylindrical induction coil for generating a current for wirelessly charging of the capacitor when exposed to an external alternating electromagnetic field generated by a charging device.

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