Loudspeaker
US12356172B2 · kind B2 · utility
0Cited by
0References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 21, 2023 |
| Grant date | Jul 8, 2025 |
| Priority date | — |
| Expiry date | Mar 6, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R31/006
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a loudspeaker, which includes a frame, a first diaphragm supported on the frame, a first voice coil that drives the first diaphragm to vibrate and sound, a magnetic circuit system with a first magnetic gap, and a first circuit board set between the first diaphragm and the first voice coil. Compared with the related technology, the loudspeaker of the present disclosure guarantees the reliability of the bonding of the first circuit board, the first voice coil and the first diaphragm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.