Piezoelectric speaker
US5736808A · kind A · utility
39Cited by
13References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1995 |
| Grant date | Apr 7, 1998 |
| Priority date | — |
| Expiry date | Dec 22, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A piezoelectric speaker is disclosed. The speaker includes a rigid structure, a piezoelectric material bender, and a wave guide mounted to both the rigid structure and the bender and serving to interconnect the rigid structure and the bender. The wave guide is a fabricated from a rigid material and is mounted to the bender at approximately the geometric center of the bender. The bender is also encapsulating a case. The rigid structure may include a computer keyboard, a bicycle helmet or any other rigid structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.