Vehicular audio system and electromagnetic transducer assembly for use therein
US7050593B1 · kind B1 · utility
23Cited by
17References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1999 |
| Grant date | May 23, 2006 |
| Priority date | — |
| Expiry date | Aug 25, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A vehicle overhead audio system and an electromagnetic transducer assembly for use therein are provided where a headliner of the vehicle is a loudspeaker of the system thereby replacing many other loudspeakers and being invisible to the occupants. The headliner is driven in multiple zones that effect proper imaging for all occupants. Supplemental high frequency and subwoofer speakers and signal processing circuitry are included in one aspect of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.