Ear canal earpiece and earmold unit for an earpiece
US9628925B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2014 |
| Grant date | Apr 18, 2017 |
| Priority date | — |
| Expiry date | Apr 2, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG10K2210/32272
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An ear canal earpiece comprising an electroacoustic sound transducer, a first sound guide unit for guiding the sound from the electroacoustic sound transducer, a second sound guide unit for prolonging the first sound guide unit, a third sound guide unit whose outside contour is matched to an inside contour of an ear canal of a user and which surrounds the second sound guide unit, and a sound wall in the region of the second sound guide unit, wherein the sound wall extends between the second and third sound guide units.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.