Ear-canal earpiece
US9813807B2 · kind B2 · utility
1Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 11, 2015 |
| Grant date | Nov 7, 2017 |
| Priority date | — |
| Expiry date | Dec 11, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An ear-canal earpiece having an electroacoustic sound transducer, a sound guide unit having a first and a second end for guiding the sound from the electroacoustic sound transducer to an ear of a user and at least one portion. The ear canal earpiece has a canal having a first end open towards the ear canal and a second outwardly open end. A diaphragm is provided in the canal and extends over the entire cross-section of the canal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.