Miniature sound generator
US10003887B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2016 |
| Grant date | Jun 19, 2018 |
| Priority date | — |
| Expiry date | Dec 19, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A miniature sound generator is disclosed. The miniature sound generator includes a vibration system including a diaphragm and a voice coil arranged below the diaphragm for driving the diaphragm to generate sound, the voice coil having a pair of long axis edges and a pair of short axis edges; a fixing system; and a flexible circuit board elastically supporting the voice coil. The flexible circuit board includes a first fixing part connected with the fixing system, a second fixing part connected to the voice coil, and a plurality of elastic connecting pieces connecting the first fixing part to the second fixing part. The elastic connecting pieces are connected with the long axis edges of the voice coil, and the voice coil is electrically connected with the elastic connecting pieces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.