Adjustably attenuating ear plug
US9278031B2 · kind B2 · utility
4Cited by
2References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 23, 2014 |
| Grant date | Mar 8, 2016 |
| Priority date | — |
| Expiry date | Jul 23, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/11
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
An adjustably attenuating ear plug adapted for use in an ear canal, includes a flexible body, and a valve assembly further comprising a disk and knob translatable relative to the disk, wherein the knob defines at least one inlet, the disk alternately defines at least one shield and hole, and the inlet is alternatively aligned with the hole and shield to varying degrees, so as to selectively and variably expose the canal to the environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.