Sound channel element with a valve and a transducer with the sound channel element
US10869119B2 · kind B2 · utility
2Cited by
82References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 2018 |
| Grant date | Dec 15, 2020 |
| Priority date | — |
| Expiry date | Oct 15, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sound channel with a side opening which may be opened or closed by an electromagnetic actuator. The sound channel may remain open and may thus be used as a spout of a sound generator for e.g. a hearing aid, where the side opening may be used as a vent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.