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External ear canal pressure regulation system

  • US 9,186,277 B2
  • Filed: 05/01/2015
  • Issued: 11/17/2015
  • Est. Priority Date: 06/28/2013
  • Status: Active Grant
First Claim
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1. An external ear canal pressure regulation device comprising:

  • a first fluid flow generator capable of generating a first fluid flow;

    a first earpiece having a first earpiece axial conduit which communicates between first earpiece first and second ends, said first earpiece axial conduit fluidicly coupled to said first fluid flow generator, said first earpiece having a first earpiece compliant external surface configured to sealably engage a first external ear canal of a first ear as a first barrier between a first external ear canal pressure and an ambient pressure;

    said first fluid flow generator capable of generating a first pressure differential between said first external ear canal pressure and said ambient pressure, said first pressure differential comprising a first pressure differential amplitude;

    a first pressure sensor which generates a first pressure sensor signal which varies based upon change in said first pressure differential; and

    a first pressure sensor signal analyzer comprising;

    a first pressure differential amplitude comparator which compares a pre-selected first pressure differential amplitude to said first pressure differential amplitude, said first pressure sensor signal analyzer generating a first pressure differential amplitude compensation signal to which a first fluid flow generator controller is responsive to control said first fluid flow generator to achieve said pre-selected first pressure differential amplitude.

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