Earpiece
US8971545B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 11, 2010 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Aug 17, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided an earpiece having a first side towards the ear, an acoustic transducer for outputting a sound signal and a sound guide element having a first end and a second end. In that case the first end faces the acoustic transducer and the second end faces the first end of the (ear canal) earpiece. The sound guide element serves for guiding the sound signal to an ear canal of a user. The sound guide element has a first opening at its second end. The (ear canal) earpiece also has at least one volume element which delimits a volume and which has at least one second opening for connecting the volume to the first end of the ear canal earpiece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.