High output sub-woofer
US7953239B2 · kind B2 · utility
7Cited by
8References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 16, 2007 |
| Grant date | May 31, 2011 |
| Priority date | — |
| Expiry date | Dec 11, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/2834
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker system with an enclosure having at least six sides. At least two active transducers are mounted inside the enclosure. Each active transducer is oriented to project from one of the sides. At least four passive radiators are mounted inside the enclosure. Each passive radiator is oriented to project from one of the sides. The number of active transducers and passive radiators equals the number of sides on the enclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.