Patent · US Expired

Frequency response enhancements for electro-dynamic loudspeakers

US7035425B2 · kind B2 · utility

3Cited by
50References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 2003
Grant dateApr 25, 2006
Priority date
Expiry dateSep 14, 2024

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2499/13
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In an electro-dynamic loudspeaker, vent holes are optimized to provide improved the magnetic flux characteristics while maintaining sufficient ventilation. In addition, ported and unported enclosures may be utilized with the electro-dynamic loudspeakers to enhance low frequency performance.

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