Thin loudspeaker device
US10827277B2 · kind B2 · utility
0Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2019 |
| Grant date | Nov 3, 2020 |
| Priority date | — |
| Expiry date | Aug 1, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2420/07
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A thin loudspeaker device includes a housing, a battery, and a loudspeaker module. The battery and the loudspeaker module are located in the housing. The loudspeaker module includes an inner shell, two loudspeaker units, and a block wall. The two loudspeaker units are located in the inner shell. The two loudspeaker units are electrically connected to the battery. The block wall is located between the two loudspeaker units. The inner shell and the block wall jointly form two chambers and a channel. The channel is communicated with the two chambers. The two loudspeaker units are respectively located in the two chambers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.