Earpiece passive noise attenuating
US9398364B2 · kind B2 · utility
25Cited by
50References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2014 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | May 8, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/656
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earpiece with structure for positioning and retaining the earpiece and with structure for sealing against the entrance to the ear canal to provide passive noise attenuation. The positioning and retaining structure engages features of the lateral surface of the ear. The structure for sealing against the entrance to the ear canal includes a conical structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.