Speaker, and module, electronic apparatus, and device that use the speaker
US7548627B2 · kind B2 · utility
3Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2005 |
| Grant date | Jun 16, 2009 |
| Priority date | — |
| Expiry date | Dec 28, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2209/022
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A net made of material containing at least metal is bonded to a protector of a loud speaker, and hence shields electromagnetic waves. Electromagnetic interference can be prevented in an electronic apparatus such as a portable phone employing the loud speaker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.