Patents Assigned to JD Birck, LLC
  • Method and apparatus for aural acoustic immittance measurement
    Patent number: 8419655
    Abstract: An acoustic immittance measurement system converts a measure of acoustic immittance (i.e. impedance and/or admittance) of a subject's middle ear to the frequency domain such that variations in magnitude and/or phase are diagnosed using either open-loop or closed-loop measurement techniques.
    Type: Grant
    Filed: September 23, 2009
    Date of Patent: April 16, 2013
    Assignee: JD Birck, LLC
    Inventor: Jonathan David Birck