Speaker vibration diaphragm and method for manufacturing the same, and moving-coil speaker
US11368791B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2016 |
| Grant date | Jun 21, 2022 |
| Priority date | — |
| Expiry date | Dec 17, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2307/025
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention discloses a speaker vibration diaphragm. The speaker vibration diaphragm comprises: a vibration diaphragm body, and a graphene film used as a conductive layer and compounded to one side surface of the vibration diaphragm body. The present invention further discloses a method for manufacturing the speaker vibration diaphragm, and a moving-coil speaker provided with the speaker vibration diaphragm. The speaker vibration diaphragm of the present invention comprises a vibration diaphragm body and a graphene film compounded to one side surface of the vibration diaphragm body. The speaker vibration diaphragm has the advantages of good conductivity, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.