Test coupler for hearing instruments employing open-fit ear canal tips
US8194870B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 8, 2008 |
| Grant date | Jun 5, 2012 |
| Priority date | — |
| Expiry date | Mar 8, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/70
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In a system and method for open fitting hearing aid frequency response sound measurements, a test space is provided having located therein a sound source, a hearing aid with a microphone, and an open fit receiver. An acoustic shield is provided and within the acoustic shield an ear simulator coupler is provided having an ear extension attached thereto, the ear extension having mounted thereto at least a portion of the open fit receiver. A measurement unit receives sound signals from the ear simulator coupler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.