Extended duct with damping for improved speaker performance
US9107003B2 · kind B2 · utility
10Cited by
15References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2011 |
| Grant date | Aug 11, 2015 |
| Priority date | — |
| Expiry date | Dec 15, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An electronic audio device including an enclosure having an acoustic output opening and a speaker positioned within the enclosure. The speaker and the acoustic output opening are acoustically coupled by an acoustic output pathway. The acoustic output pathway includes a damping chamber to dampen a resonance frequency of the acoustic output pathway. The speaker is between the damping chamber and the acoustic output opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.