Ear Pad Through Holes for Headset Ventilation
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Solution Overview
Problem
In over-ear headphones, the enclosed space created by the ear pad can lead to stuffiness and discomfort during long-term use, causing a deterioration in the wearing experience due to potential air pressure imbalance and auditory obstruction.
Innovation Solution
The ear pad design includes a cup portion with multiple through holes that open the inner diameter portion to the outside, closer to the housing than the cup opening, allowing for improved ventilation and reducing the likelihood of stuffiness by allowing air to flow in and out, thus preventing discomfort and auditory issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the entire wearing surface of the ear pad is fitted to the head portion around the ear and the entire ear is covered with the ear pad, then sound leakage is prevented and sound quality is maintained, but the internal space becomes enclosed and stuffy, causing discomfort during long-term use
Solution Approach 1:
The ear pad incorporates through holes in the cup portion, transforming the solid enclosed structure into a porous one that allows air permeation. This enables the ear pad to maintain its sound isolation function while simultaneously providing ventilation to prevent stuffiness and discomfort during extended wear.
Solution Approach 2:
The ear pad's cup portion is segmented by multiple through holes that divide the enclosed internal space into separate air channels. This segmentation allows air to flow through different paths, preventing the accumulation of stale air and maintaining comfort while preserving the overall enclosing structure needed for sound isolation.
2Reliability
If the ear pad completely covers the auricle to prevent sound leakage, then audio performance is improved, but air pressure imbalance and auditory obstruction occur, deteriorating the wearing experience
Solution Approach 1:
The through holes in the cup portion create a porous structure that allows controlled air exchange between the enclosed space and the external environment. This maintains the ear pad's ability to isolate sound while preventing air pressure buildup that would cause discomfort and auditory obstruction.
Solution Approach 2:
The through holes enable continuous air flow through the ear pad, ensuring that the enclosed space remains ventilated throughout extended wear. This continuous air exchange prevents the development of stuffiness and maintains wearing comfort over time, while the enclosing structure continues to provide sound isolation.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design effectively prevents stuffiness and discomfort by maintaining air flow through the ear pad, even when the cup opening is closed, ensuring a comfortable wearing experience and clear sound transmission during extended use.
Implementation Method 1
a plurality of through holes allowing the inner diameter portion to be open to an outside are formed closer to the housing than a cup opening of the inner diameter portion
Data Source
AI summary
A headset includes: a housing provided at one end portion of a headband; a boom main body attached to the housing; and an ear pad attached to the housing on a side opposite to the boom main body. The ear pad includes a cup portion configured to cover an entire auricle of a wearer when the entire auricle is inserted into an inner diameter portion of the cup portion. In the cup portion, a plurality of through holes allowing the inner diameter portion to be open to an outside are formed closer to the housing than a cup opening of the inner diameter portion.