Door trim speaker grille with electroluminescent lamp and injection molding method of making same
US7299892B2 · kind B2 · utility
41Cited by
42References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2004 |
| Grant date | Nov 27, 2007 |
| Priority date | — |
| Expiry date | Jun 5, 2025 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R5/02
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A door trim speaker grille with an electroluminescent lamp for use with an audio speaker of a vehicle. The electroluminescent lamp is positioned for emitting visible light through sound passages in the speaker grille. In certain embodiments of the invention, the electroluminescent lamp may be integrally molded with the speaker grille. One method of forming the door trim speaker grille is by an injection molding process that places the electroluminescent lamp as an insert in the mold cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.