Acoustic transducer device
US8794374B2 · kind B2 · utility
10Cited by
4References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2011 |
| Grant date | Aug 5, 2014 |
| Priority date | — |
| Expiry date | Jul 25, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R7/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention relates to a sound converter, and, more particularly, to a sound converter which can solve a problem in that a vibration space decreases in the sound converter requiring high outputs, as the overall height of a voice coil increases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.