The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 2022
Filed:
Mar. 25, 2019
Ear Labs Ab, Malmo, SE;
Christian Dittrich, Loderup, SE;
Jason McIntosh, Pensacola, FL (US);
Marco Mietta, Appiano Gentile, IT;
Abstract
An earplug () for selective attenuation of sound has a body with at least one sound path. An insert () is housed in the body (), which has at least one sound passage with an acoustic filter. The acoustic filter is configured to provide a specific frequency response and thus a determined attenuation of sound passing through the earplug. Means () is arranged at a top surface adapted to activate or deactivate the sound path. Each acoustic filter comprises an upper acoustic port (), at least one acoustic mesh () and/or acoustic membrane (), an acoustic chamber () and a lower acoustic port (). An insert () with an acoustic filter for selective attenuation of sound is provided for use in an earplug.