Bass sound amplifying enclosure, woofer including the same, and electronic device including the woofer
US8351631B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2010 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Dec 20, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Provided is an enclosure including a rear chamber, a speaker unit chamber disposed adjacent to the rear chamber and connected to the rear chamber such that air flows between the speaker unit chamber and the rear chamber, a front chamber disposed adjacent to the speaker unit chamber and connected to the speaker unit chamber such that air flows between the speaker unit chamber and the front chamber, and a duct having a first side connected to the front chamber such that air flows between the front chamber and the duct and a second side opened to the outside, wherein the rear chamber, the speaker unit chamber, the front chamber, and the duct are disposed between a first plate and a second plate that are spaced apart from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.