Hearing protection device with convoluted acoustic horn
US10052234B2 · kind B2 · utility
1Cited by
36References
23Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 14, 2016 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Jan 14, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earpiece body with a convoluted acoustic horn and a hearing protection device that includes the earpiece body. The convoluted acoustic horn that is configured to receive airborne sound waves through a first, sound-receiving opening and to emit airborne sound waves through a second, sound-emitting opening, wherein the first, sound-receiving opening is larger in cross-sectional area than the second, sound-emitting opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.