Multi-range speaker containing multiple diaphragms
US11134333B2 · kind B2 · utility
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2References
9Claims
0Family size
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Key dates
| Filing date | Oct 21, 2019 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Oct 21, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Embodiments are disclosed of a speaker capable of producing multi-frequency-range sound using bar magnets, multiple diaphragms, and a shared planar voice coil. The planar voice coil is located between the bar magnets and translates a received electric signal into the kinetic energy that vibrates the diaphragms, thus reproducing multi-frequency range sound. In some embodiments, the speaker generates bi-directional sound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.