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:
Mar. 15, 2022
Filed:
Jul. 16, 2015
Dynamic Ear Company B.v., Delft, NL;
Pieter Gerard van't Hof, Delft, NL;
Engbert Wilmink, Delft, NL;
SONOVA AG, Staefa, CH;
Abstract
The present disclosure concerns an acoustic valve () for hearing protection. The valve () comprises a housing () that is placeable or integrated in an ear plug (). The housing () comprises a sound passage () extending through the housing () for allowing at least partial transmission of sound from the external surroundings () into the auditory canal (). The housing comprises an impulse filter () comprising a rigid plate (). The rigid plate () forms an enclosed volume () within the sound passage () of the valve. The rigid plate () comprises at least one perforation () for passing part of the sound from the external surroundings () via the perforation () into the enclosed volume (). The housing further comprises an acoustic filter () comprising a mesh () arranged in the sound passage () between the rigid plate () and the auditory canal ().