Patent · US Active

Acoustic port for a playback device

US12363472B2 · kind B2 · utility

0Cited by
39References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 18, 2022
Grant dateJul 15, 2025
Priority date
Expiry dateJan 18, 2042

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04R1/2857
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A playback device includes a housing defining an acoustic volume therein, one or more audio transducers disposed at least partially within the housing, and an acoustic port extending through the housing. The acoustic port includes a wall defining a first aperture, a second aperture, and a passageway extending therebetween. The wall is at least partially curved along an axial direction, and a plurality of vanes coupled to the wall extend into the passageway such that the vanes define a plurality of channels extending axially within the passageway.

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