Suspension for the voice coil of a loudspeaker drive unit
US7366318B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Sep 1, 2003 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | Apr 10, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2400/00
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A suspension, for the voice coil of a loudspeaker drive unit, includes an inner ring to be connected to the voice coil of the loudspeaker drive unit; an outer ring to be connected to the chassis of the loudspeaker drive unit; and a plurality of radial spoke-like members connecting the inner ring to the outer ring. The radial spoke-like members are free of compressive stress between their ends. The spoke-like members are of greater lateral stiffness than the spoke-like member′s and are substantially X-shaped.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.