Acoustic diaphragm and speaker
US7845461B2 · kind B2 · utility
3Cited by
23References
53Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 6, 2008 |
| Grant date | Dec 7, 2010 |
| Priority date | — |
| Expiry date | Jan 28, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An acoustic diaphragm includes a diaphragm formed of a uniform material and a first standing wave suppression member provided on a surface of the diaphragm along a first direction of passing through a center of the diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.