Vehicular loudspeaker system
US6356641B1 · kind B1 · utility
26Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1996 |
| Grant date | Mar 12, 2002 |
| Priority date | — |
| Expiry date | Sep 25, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An 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 headliner of the vehicle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.