Plane driving type electroacoustic transducer
US6845166B2 · kind B2 · utility
24Cited by
17References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2001 |
| Grant date | Jan 18, 2005 |
| Priority date | — |
| Expiry date | Jan 12, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R7/04
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A plane driving type electroacoustic transducer having a film of diaphragm with a conduction pattern formed thereon and a magnetic circuit, wherein a vibration damping layer is provided on the diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.