Loudspeaker motor and suspension system
US9854365B2 · kind B2 · utility
1Cited by
13References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 2016 |
| Grant date | Dec 26, 2017 |
| Priority date | — |
| Expiry date | Apr 15, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker includes a voice coil in a balanced state. In the loudspeaker, at least a first suspension element acts on a first side of the voice coil, and at least a second suspension element acts on a second side of the voice coil. The loudspeaker includes a symmetric magnet assembly. The voice coil aligns with the symmetric magnet assembly. The symmetric alignment contributes to the loudspeaker yielding substantially symmetric motor force (BL), suspension stiffness (K), and inductance (Le).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.