Speaker damper
US5776597A · kind A · utility
7Cited by
4References
7Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 22, 1996 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | Feb 22, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3976
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a speaker damper for use in an acoustic output device, which exhibits excellent shape retaining property at the time of molding, is highly safe to work environment and has excellent water resistance, heat resistance an durability. The speaker damper is obtained by impregnating cloth formed of mixed yarn of a wholly aromatic polyamide fiber and an aromatic polyester fiber with a polyester resin, and molding the cloth under heat and pressure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.