Sounding device
US12185074B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 11, 2023 |
| Grant date | Dec 31, 2024 |
| Priority date | — |
| Expiry date | Aug 2, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a sounding device. The sounding device includes a vibration system, a magnetic circuit system, a conductive element and a fixed element. The vibration system includes a diaphragm and a voice coil fixed to the diaphragm. The diaphragm consists of a dome part and a suspension around the dome part. The dome part includes a dome body and a protruded platform of the dome extending from the dome body to the voice coil and fixed to the voice coil. The dome part also includes dome reinforcement elements. Compared with the related art, the sounding device provided by the present disclosure has a simple structure and good reliability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.