Patent · US Active

Packaging of acoustic volume increasing materials for loudspeaker devices

US9648403B2 · kind B2 · utility

5Cited by

23References

23Claims

0Family size

Assignee

Knowles IPC (M) SDN. BHD. · MY

Inventors

Maria Papakyriacou · Wien, AT
Markus Steinhauser · Karnabrunn, AT
Thomas Jagsich · Wien, AT

Key dates

Filing date	Jun 2, 2015
Grant date	May 9, 2017
Priority date	—
Expiry date	Dec 31, 2035

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49227
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

There is provided an acoustic element for placement in a sound path of a loudspeaker device, the acoustic element comprising a container and an acoustic volume increasing material located in the container. In an embodiment, the container comprises wall portions with different physical characteristics. In other embodiments, the walls of the container are made of the same material.

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