Diaphragm for producing sound and speaker using same
US11206489B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2019 |
| Grant date | Dec 21, 2021 |
| Priority date | — |
| Expiry date | Jun 27, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2307/207
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure discloses a diaphragm for radiating sound, including: a dome; a suspension surrounding the dome, including a first connecting portion adjacent to the dome and having a first surface and a second surface, a suspending portion extending from and surrounding the first connecting portion, and a second connecting portion extending from and surrounding the suspending portion. The suspending portion includes a convex part along a direction from the second surface to the first surface, an inner edge connecting to the first connecting portion, and an outer edge connecting to the second connecting portion. The diaphragm further includes glue layers located on corners of the first surface of the first connecting portion, extending from the inner edge toward the dome. The present disclosure further includes a speaker incorporating the diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.