Weather resistant porting
US7039212B2 · kind B2 · utility
170Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2003 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Sep 17, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/2826
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A port for a loudspeaker is disclosed which is sufficiently weather resistant for long term outdoor use and which prevents debris, insects and other vermin from entering the loudspeaker and which is compact and efficient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.