Patent · US Active

Smart earmuff and method for improved use of an earmuff

US11633303B2 · kind B2 · utility

4Cited by

3References

14Claims

0Family size

Assignee

HUSQVARNA AB · SE

Inventors

Alexander Persson · Tenhult, SE
Cornelia Gustafsson · Jönköping, SE

Key dates

Filing date	Mar 28, 2017
Grant date	Apr 25, 2023
Priority date	—
Expiry date	Aug 24, 2040

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61F2250/008
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An acoustic earmuff device comprising a pair of earmuff cup assemblies such that each is configured to be arranged at a location proximate to an ear of an user, wherein each earmuff cup assembly comprises means (320) for adapting a pressure applied to the location proximate to the ear so that the pressure around the ear is evenly distributed and a even seal is achieved, wherein the means for adapting a pressure comprises an adaptive layer (324) that is configured to apply the pressure around the ear evenly regardless whether that location comprises any protruding element (2).

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