Invention Grant
- Patent Title: Earphone with an acoustic rear chamber vent
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Application No.: US17757172Application Date: 2020-12-15
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Publication No.: US11706554B2Publication Date: 2023-07-18
- Inventor: Nuno Beleza Freire , Jacob Reimert
- Applicant: GN AUDIO A/S
- Applicant Address: DK Ballerup
- Assignee: GN AUDIO A/S
- Current Assignee: GN AUDIO A/S
- Current Assignee Address: DK Ballerup
- Agency: Hamre, Schumann, Mueller & Larson, P.C.
- Priority: DK 201901554 2019.12.27
- International Application: PCT/EP2020/086090 2020.12.15
- International Announcement: WO2021/130049A 2021.07.01
- Date entered country: 2022-06-10
- Main IPC: H04R25/00
- IPC: H04R25/00 ; H04R1/10
Abstract:
An earphone comprising a rear chamber and a vent structure. The vent structure comprises
a longitudinal recess in the housing wall, which recess is defined by a bottom wall and recess walls connecting the bottom wall and the housing wall,
a recess opening in the recess, which recess opening connects the recess and the rear chamber,
a mesh device arranged parallel with the bottom wall, whereby a longitudinal recess cavity is provided between the bottom wall and the mesh structure.
The invention also relates to the manufacturing such an earphone.
a longitudinal recess in the housing wall, which recess is defined by a bottom wall and recess walls connecting the bottom wall and the housing wall,
a recess opening in the recess, which recess opening connects the recess and the rear chamber,
a mesh device arranged parallel with the bottom wall, whereby a longitudinal recess cavity is provided between the bottom wall and the mesh structure.
The invention also relates to the manufacturing such an earphone.
Public/Granted literature
- US20230022343A1 AN EARPHONE WITH AN ACOUSTIC REAR CHAMBER VENT Public/Granted day:2023-01-26
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