Acoustic transducer
US5256920A · kind A · utility
12Cited by
15References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 21, 1990 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Dec 21, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/045
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An acoustic transducer provides an elongated outer shell made of magnetic material and having a pair of flexural members attached to each other in the elongated direction and having a flexural portion extending normally to the elongated direction and forming a partial enclosure between the two flexural portions, and a magnetic drive located within the partial enclosure and engaging the flexural portions for causing the portions to oscillate flexurally.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.