Earpiece for coupling a hearing aid to a users's ear canal and a method for manufacturing such an earpiece
US10368176B2 · kind B2 · utility
0Cited by
0References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2015 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | Nov 10, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
This invention relates to an earpiece (1) for coupling a hearing aid (10) to the ear (20) of a hearing aid user, comprising a seal (2) conforming to the shape of the user's ear canal (30) and therein retained; wherein the seal (2) comprises a sound output bore (3) connected to a receiver (11) of the hearing aid (10); and a multiplicity of through openings (4) spaced around the sound output bore (3). The number of the openings (4) is comprised in a range of 50 to 2000; and the openings (4) have diameters in the range of 50 to 250 micrometers. The present invention also relates to a method of manufacturing such an earpiece (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.