Miniaturized receiver assembly for in-ear noise-isolating earphones
US8422719B2 · kind B2 · utility
5Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 5, 2010 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Feb 18, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/2842
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An in-ear device comprises inter alia a miniaturized receiver assembly of a sealed sandwich construction with a front plate and a back plate and an electro-dynamic receiver therebetween, the assembly providing a bass-reflex design with a front resonator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.