Vehicular loudspeaker system
US6522755B1 · kind B1 · utility
12Cited by
0References
36Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1997 |
| Grant date | Feb 18, 2003 |
| Priority date | — |
| Expiry date | May 12, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
At improved loudspeaker system for a passenger vehicle such as an automobile is disclosed. The system comprises a transducer capable of being excited by applied electric potential and electronic means that is electrically connected to the transducer to apply electric potential thereto. It is a feature of the present invention that the diaphragm driven by the excited transducer is comprised of the trim panel of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.