Damper for speaker and speaker using the damper
US8428298B2 · kind B2 · utility
0Cited by
10References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2007 |
| Grant date | Apr 23, 2013 |
| Priority date | — |
| Expiry date | Oct 31, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker has high sound quality by reducing resonance of curved parts in a speaker damper without decreasing sound pressure and by providing high linearity characteristic. In a damper for a speaker formed by including at least two curved parts, an elastic member is provided at least on one side or on both sides of a peripheral part in a movable part of the damper or provided in the material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.