Sonic transducer employing rigid radiating member
US4048454A · kind A · utility
13Cited by
9References
24Claims
0Family size
Inventors
Key dates
| Filing date | Dec 2, 1974 |
| Grant date | Sep 13, 1977 |
| Priority date | — |
| Expiry date | Dec 2, 1994 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R17/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A sonic transducer incorporating a rigid plate-like transmitting member coupled to electromechanical compression wave generating means such as a piezoelectric crystal for transmitting sonic energy in a medium. The transmitting means is damped to prevent ringing, and the transducer is particularly responsive to the high frequency audio spectrum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.