Method and apparatus for aural acoustic immittance measurement
US8419655B2 · kind B2 · utility
1Cited by
13References
20Claims
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Key dates
| Filing date | Sep 23, 2009 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Dec 13, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B5/121
- WIPO fieldMedical technology
- WIPO sectorInstruments
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.