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:
Sep. 16, 2025
Filed:
Aug. 23, 2021
Sonion Nederland B.v., Hoofddorp, NL;
Hendrikus Gijsbertus Schimmel, Hoofddorp, NL;
Laurens De Ruijter, Hoofddorp, NL;
Sonion Nederland B.V., Hoofddorp, NL;
Abstract
A hearing device comprising a body provided with a dome, wherein a vent path is provided through the body, and wherein the body is further provided with a valve and a valve driver which connects to the valve for opening and closing of the vent path, wherein when the vent path is closed the valve engages the body, and wherein said valve driver comprises a permanent or switchable magnet and a first electrical coil for generating magnetic field lines that cooperate with the permanent or switchable magnet for moving the valve, wherein the valve driver is arranged to energize the first electrical coil with a current magnitude and/or direction that depends on a position of the valve between an open position wherein the vent path is open and a closed position wherein the vent path is closed.