Speaker box
US9258632B2 · kind B2 · utility
0Cited by
0References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 6, 2015 |
| Grant date | Feb 9, 2016 |
| Priority date | — |
| Expiry date | Feb 6, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/021
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker box includes an upper case defining at least a first hole, a lower case connected with the upper case for forming an inner cavity and defining at least a second hole, at least an electroacoustic transducer received in the inner cavity, and at least a screw passing through the first hole and the second hole for fixing the speaker box to an external electronic device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.