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IMPLANTABLE MICROPHONE DEVICE

  • US 20110178438A1
  • Filed: 07/23/2009
  • Published: 07/21/2011
  • Est. Priority Date: 07/24/2008
  • Status: Active Grant
First Claim
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1. An implantable microphone device, said device comprising:

  • a hermetically sealed housing having an internal cavity;

    said internal cavity having a microphone assembly arranged to receive sound waves originating external from said housing; and

    a pressure sensor arrangement, arranged to detect and determine the differential pressure between said internal cavity and the exterior of said housing;

    wherein the determined differential pressure is for use in determining a suitable transfer function to be applied to the output of said microphone assembly to produce a signal representative of said received sound waves.

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