Speaker box
US6478108B1 · kind B1 · utility
9Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2000 |
| Grant date | Nov 12, 2002 |
| Priority date | — |
| Expiry date | Aug 15, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/345
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
For a selective sound propagation pattern that has an especially high directivity, including in the bass frequency region, there is inventively provided a loudspeaker box (1) with a housing (2) and at least one loudspeaker (4) with chassis (6) which is surrounded by a housing wall (8) in such a way that in the low frequency region the rear side and front side sound of the loudspeaker (4) overlay themselves with a sound increase in a preferred direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.