Patent · US Active

Sound generating device

US12126978B2 · kind B2 · utility

0Cited by
0References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 5, 2020
Grant dateOct 22, 2024
Priority date
Expiry dateApr 7, 2041

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2307/025
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

The present disclosure discloses a sound generating device, which comprises: a magnetic conductive yoke; a housing extending along an edge of the magnetic conductive yoke and having an annular shape, wherein a leakage opening is formed in a gap between the housing and the magnetic conductive yoke; and a metal mesh covering the leakage opening, wherein a portion of the metal mesh corresponding to the leakage opening is provided with a plurality of air holes. The sound generating device of the present disclosure can reduce the defective rate of products.

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