Patent · US Expired

Suspension for the voice coil of a loudspeaker drive unit

US7366318B2 · kind B2 · utility

23Cited by
3References
22Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 1, 2003
Grant dateApr 29, 2008
Priority date
Expiry dateApr 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.