Shielded electromagnetic acoustic transducers
US4296486A · kind A · utility
29Cited by
7References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 24, 1980 |
| Grant date | Oct 20, 1981 |
| Priority date | — |
| Expiry date | Jan 24, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is an electromagnetic acoustic transducer, including a source of magnetic flux for establishing a static magnetic field, an electrical conductor for conducting an alternating current in the static magnetic field, and an electrically conductive, nonmagnetic shield disposed between the source of magnetic flux and the conductor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.