Patent · US Active

Loudspeaker suspension

US8139812B2 · kind B2 · utility

11Cited by
21References
34Claims
0Family size

Inventors

Key dates

Filing dateMar 28, 2008
Grant dateMar 20, 2012
Priority date
Expiry dateJan 19, 2031

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2307/207
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

Disclosed is a loudspeaker suspension structure having asymmetrical grooves. In an aspect, an apparatus includes a loudspeaker suspension structure having grooves, each extending from an inner circumferential border, to an outer circumferential border, at least one groove having a groove depth that varies asymmetrically from the inner circumferential border to the outer circumferential border.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.