Electroacoustic transducer
US4924503A · kind A · utility
4Cited by
0References
10Claims
0Family size
Inventor
Key dates
| Filing date | Mar 17, 1989 |
| Grant date | May 8, 1990 |
| Priority date | — |
| Expiry date | Mar 17, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R15/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
In the case of an electroacoustic transducer with a supporting body carrying coil turns and in particular a vibrating hollow body with a curved surface, such as a magnetostrictive ball, in order to obtain an optimum distribution of the modulation energy, it is proposed that the coil is applied to the supporting body (2) as a flat material corrugated strip (3) at right angles to the running direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.