Ported loudspeaker system and method with reduced air turbulence, bipolar radiation pattern and novel appearance
US7162049B2 · kind B2 · utility
15Cited by
11References
31Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 7, 2003 |
| Grant date | Jan 9, 2007 |
| Priority date | — |
| Expiry date | Feb 16, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/2819
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker system includes a cabinet with an interior air volume, a transducer, a first port extending from an opening in the front wall of the cabinet to the interior of the cabinet, and a second port extending from and opening in the rear wall of the cabinet to the interior of the cabinet. The first and second ports are aligned along a common longitudinal axis and the interior ends of the ports are separated from each other by a predetermined distance. First and second flanges having a diameter larger than the first and second ports are disposed at the interior ends of the first and second ports, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.