Speaker box
US9998821B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2017 |
| Grant date | Jun 12, 2018 |
| Priority date | — |
| Expiry date | Jan 26, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a speaker box, including an upper cover plate and a lower cover plate which cooperate with each other to form accommodating space and a speaker accommodated in the accommodating space, the speaker includes a diaphragm for vibrating and sounding, the diaphragm and the upper cover plate form a front cavity, the speaker box further includes a sounding channel formed by surrounding of the upper cover plate and the lower cover plate, configured to communicate the front cavity with external environment, and a sounding hole communicated with the sounding channel, the speaker is fixed on the upper cover plate, the sounding hole is provided on the lower cover plate, an extending direction of the sounding channel is perpendicular to a vibration direction of the diaphragm. By adopting the speaker of the present disclosure, the assembling yield is high and the sounding effect is good.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.