Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Theodorus Geradus Maria Brouwer0
Nishant Lawand0
Petrus Egbertus Henricus Hermsen0
René Maas0
Caspar Titus Bolsman0
Erik Marinus Krom0
Laurens de Ruijter0
Date of Patent
March 9, 2021
0Patent Application Number
161603100
Date Filed
October 15, 2018
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A personal hearing device with an outer housing and a sound path with a length of 1-24 mm, a diameter of 0.5-6 mm, a roll of frequency of at least 500 Hz and with a valve configured to open and close the sound path. The sound path has suitable acoustical properties to act as a sound passage for open/closed hearing aids or hearables. The valve is selected to have a small influence on the acoustical properties of the remaining portions of the sound path.
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