Reverse mounted micro-speaker assemblies and mobile terminals including the same
US7260364B2 · kind B2 · utility
7Cited by
7References
64Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 30, 2003 |
| Grant date | Aug 21, 2007 |
| Priority date | — |
| Expiry date | Sep 27, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/724
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Micro-speaker assemblies and mobile terminals including micro-speaker assemblies are provided. The micro-speaker assembly includes a micro-speaker positioned in a housing. A low frequency back tuning volume is adjacent a front face of the micro-speaker and a high frequency forward tuning volume is adjacent a back face of the micro-speaker. A passageway extends from the forward tuning volume to an opening in the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.