Speaker
US11778388B2 · kind B2 · utility
0Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2022 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Mar 15, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2307/027
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker includes a speaker body and a diaphragm. The diaphragm is a planar structure. The speaker body includes a positioning structure. The positioning structure has a cavity penetrating front and back sides of the positioning structure. The diaphragm is positioned on the positioning structure. The diaphragm is in the form of a planar structure, instead of a curved or spherical structure. The planar structure of the diaphragm is simplified, so that the manufacturing process of the diaphragm is simpler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.