Speaker diaphragm, speaker, speaker diaphragm manufacturing method, electronic device, and mobile body apparatus
US11582557B2 · kind B2 · utility
0Cited by
14References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2021 |
| Grant date | Feb 14, 2023 |
| Priority date | — |
| Expiry date | Mar 24, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker diaphragm includes an edge formed from an elastomer, and a diaphragm body that is to be joined to the edge. A joint between the edge and the diaphragm body includes a melting portion between the edge and the diaphragm body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.