Acoustic devices and magnetic circuit assemblies thereof
US12192732B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2022 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | May 5, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides an acoustic device. The acoustic device may include a shell including a first accommodation cavity, a speaker configured in the first accommodation cavity. The speaker may include one or more magnetic circuit assemblies, a voice coil, a vibration assembly, and a vibration transmission plate. The one or more magnetic circuit assemblies may form a magnetic gap. One end of the voice coil may be arranged in a magnetic gap, and another end of the voice coil may be connected with the vibration assembly. The vibration assembly may be connected with the vibration transmission plate, and the vibration transmission plate may be connected with the shell.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.