Electroacoustic transducer
US8150094B2 · kind B2 · utility
0Cited by
0References
20Claims
0Family size
Inventor
Key dates
| Filing date | Jul 8, 2008 |
| Grant date | Apr 3, 2012 |
| Priority date | — |
| Expiry date | Feb 1, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2225/51
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electroacoustic transducer comprises an electric sound conversion section that vibrates a mechanical device based on an electric signal so as to emit a sound wave; and an electromagnetic wave radiation section that generates and emits an electromagnetic wave from the electrical signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.