Headrest surround channel electroacoustical transducing
US7424127B1 · kind B1 · utility
13Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 21, 2000 |
| Grant date | Sep 9, 2008 |
| Priority date | — |
| Expiry date | Mar 21, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R5/023
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An audio system including a first audio source, including a surround channel signal, coupled to an electroacoustical transducer mounted in the back of a seat of, for example, an automobile, so that the surround channel is radiated from the electroacoustical transducer. In one embodiment, the electroacoustical transducer is oriented to radiate substantially upwardly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.