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:
Jan. 06, 2026
Filed:
Feb. 11, 2022
Sonion Nederland B.v., Hoofddorp, NL;
Caspar Titus Bolsman, Hoofddorp, NL;
Sonion Nederland B.V., Hoofddorp, NL;
Abstract
The invention relates to a sound channel and a portable audio device comprising such a sound channel, wherein said sound channel comprises a vent path, a closing element and a guiding surface for guiding a movement of the closing element, wherein said closing element is slidably moveable with respect to said guiding surface by a driving means between a first position in which the closing element substantially closes the vent path and a second position in which the closing element leaves the vent path open, and wherein the closing element comprises a stop surface that engages a stop element of the sound channel in the first position of the closing element and a sliding surface that extends substantially parallel to said guiding surface, wherein a liquid is present between the sliding surface of said closing element and the guiding surface. The invention also relates to a method of operating such a sound channel.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile