Package-integrable high sound quality moving coil loudspeaker structure
US9462403B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 19, 2015 |
| Grant date | Oct 4, 2016 |
| Priority date | — |
| Expiry date | Oct 19, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04S2420/01
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A package-integrable high sound quality voice coil loudspeaker structure includes a metal shell, and a diaphragm, voice coil washer, magnet, T iron and PCB packed integrally inside the metal shell; the metal shell has a cylindrical side wall and bottom wall, and a sound output is opened on the bottom wall, with a lengthened cylinder in communication with the first sound output being projected outward integrally from the bottom face of the bottom wall. Therefore, the present invention utilizing the metal shell to pack all components integrally simplifies the assembly process, and has a good waterproof performance. In addition, the configuration of the lengthened cylinder improves the sound quality.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.