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Earphone with sound back chamber vent

A technology for air vents and earphones, applied in stereo communication earphones, earpiece/earphone accessories, on-ear/around-ear earphones, etc., which can solve the problems of increasing the cost of tools and/or assembly steps

Pending Publication Date: 2022-08-02
GN AUDIO AS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0015] Fitting prior art vent and port structures into size-constrained earphones can be problematic, especially since the ports often need to be of a certain length
Since these earphone housings are often manufactured via injection molding, port and vent structures require complex molds with movable core parts, as well as the cost of added tooling and / or assembly steps after the injection molding process

Method used

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  • Earphone with sound back chamber vent
  • Earphone with sound back chamber vent
  • Earphone with sound back chamber vent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0047] figure 1 is a front view of a headset 17 comprising a headband 16, an earphone 1, a second earphone 1', a microphone arm 19 with a microphone 20 and connecting the headset to a telecommunication device not shown, such as a smartphone or a laptop ) connected cable 21. Each earphone 1 and 1' includes ear pads 4. The present invention relates to this headset 1 and will be described further below.

[0048] figure 2 is a schematic cross-sectional view through the earphone 1 according to the first embodiment of the present invention. Other irrelevant parts such as the headband 16 used in the present invention are omitted. The figure shows the earphone 1 in a state of use, wherein the ear pads 4 surround the user's ears 4 and fit the user's head 2 . The earphone 1 includes a housing wall 9 comprising an end wall 23 , an opposing partition wall 27 and a side wall 26 connecting the end wall 23 and the partition wall 27 . The speaker 22 with the diaphragm 11 is arrang...

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PUM

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Abstract

An earphone (1) comprises a rear chamber (10) and a vent structure (15). The vent structure (15) comprises a longitudinal recess (8) in the housing wall, the recess (8) being defined by a bottom wall (12) and a recess wall (13) connecting the bottom wall (12) and the housing wall (9), a recess opening (14) in the recess (8) connecting the recess (8) and the rear chamber (10), a mesh device (18) being arranged parallel to the bottom wall (12), whereby a longitudinal recess cavity (24) is provided between the bottom wall (12) and the mesh device (18). The invention also relates to the manufacture of such an earphone (1).

Description

technical field [0001] The present invention relates to an earphone configured to provide sound output to a wearer's ear, and further configured to be arranged on the wearer's head in an operating position such that the gap between the head and the earphone is The front chamber is separated from the ambient space and the headset includes: [0002] an enclosure having an enclosure wall separating the rear chamber from the ambient space, the enclosure wall including a dividing wall separating the rear chamber from the front chamber, [0003] a diaphragm suspended through an opening in the dividing wall and configured to be actively driven to provide sound output, [0004] A vent structure that fluidly connects the rear chamber and the ambient space through the enclosure wall. Background technique [0005] Various earphones are known in the art that employ passive noise reduction (PNR) to reduce the amount of acoustic noise reaching the wearer's ears. PNR is typically achiev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R1/10H04R1/28
CPCH04R1/10H04R1/2823H04R1/2846H04R1/1008H04R5/033H04R1/2826H04R2201/107H04R1/1058H04R2460/11
Inventor 努诺·贝莱萨·弗莱雷雅各布·赖默特
Owner GN AUDIO AS