Loudspeaker
US12389164B2 · kind B2 · utility
0Cited by
0References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2023 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Feb 7, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/046
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker including a magnetic circuit including a magnetic gap, a voice coil body inserted in the magnetic gap, a diaphragm attached to the voice coil body, transmission members arranged on a lateral side of the extend magnetic circuit along the magnetic circuit with a predetermined gap to transmit an electric signal to be input to the voice coil body, and a housing made of a resin and integrated with the magnetic circuit and the transmission members. The transmission members include externally exposed portions and internally exposed portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.