Patent · US Active

Acoustic filter for omnidirectional loudspeaker

US10034081B2 · kind B2 · utility

2Cited by
48References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 28, 2016
Grant dateJul 24, 2018
Priority date
Expiry dateApr 28, 2036

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R2201/029
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

One embodiment provides an omnidirectional loudspeaker comprising a phase plug and an acoustic resonator within the phase plug. The acoustic resonator comprises acoustic damping material.

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