Loudspeaker assembly
US6218766A · kind A · utility
18Cited by
27References
39Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1999 |
| Grant date | Apr 17, 2001 |
| Priority date | — |
| Expiry date | Nov 4, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB06B1/0603
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An assembly for utilization in a loudspeaker system is disclosed. The assembly comprises a substantially flat piezoelectric element capable of being excited by applied electric potential, a diaphragm that is driven by the excited piezoelectric element, said diaphragm having a surface area that is at least 20 times the surface area of the piezoelectric element and at least one motion coupler which is attached to at least a portion of the outer perimeter of the piezoelectric element and on its underside to the diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.