The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 16, 2013
Filed:
Sep. 23, 2009
Applicant:
Jonathan David Birck, Portland, OR (US);
Inventor:
Jonathan David Birck, Portland, OR (US);
Assignee:
JD Birck, LLC, Portland, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01);
U.S. Cl.
CPC ...
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.