Speaker
US10271128B2 · kind B2 · utility
1Cited by
1References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 1, 2013 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Jan 12, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/2826
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker is provided. The speaker may include a speaker box which defines an inner chamber, and a bass tube extending outward from the inner chamber, where an external part of the bass tube which is outside the speaker box forms a supporting structure of the speaker. The speaker may have improved acoustic performance and a more compact structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.