Adjustable Ear Cup Shaping for Eyewear-Compatible Headsets
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Solution Overview
Problem
Conventional headsets often fail to accommodate eyewear comfortably, leading to discomfort and compromised acoustic performance due to the interference between headset components and temple pieces of eyeglasses.
Innovation Solution
The headset is designed with adjustable straps and deformable ear cups that create space for temple pieces, featuring retractable structures or slits to accommodate eyeglasses, and includes a strap sensor to adjust audio processing based on the fit, ensuring comfort and improved sound quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional headsets are designed with fixed ear cups and straps, then manufacturing is simple and cost-effective, but they cannot accommodate eyewear comfortably
Solution Approach 1:
The ear cups incorporate deformable foam material that can dynamically change shape to accommodate temple pieces of eyeglasses. The foam is compressed when temple pieces are present, creating a depression that fits the glasses frames, thereby providing adaptability without complex mechanical structures.
Solution Approach 2:
The physical state of the foam material is changed from a rigid structure to a deformable state. By controlling the compression and deformation of the foam, the ear cups can adapt to different head shapes and eyewear types, resolving the contradiction between simplicity and adaptability.
2Reliability
If the headset applies tight pressure to secure ear cups, then acoustic performance is improved, but comfort is reduced and temple pieces cannot be accommodated
Solution Approach 1:
The foam material is designed with different density and firmness in different regions of the ear cup. The areas that contact the temple pieces of eyeglasses are softer and more deformable, while other areas maintain sufficient firmness to ensure acoustic performance and secure fitting.
Solution Approach 2:
The deformable foam acts as a cushioning element that anticipates the presence of temple pieces and adjusts its shape accordingly. This beforehand adaptation prevents discomfort and acoustic degradation by ensuring proper contact points are maintained regardless of eyewear presence.
3Reliability
If the ear cup structure is made rigid to maintain acoustic integrity, then sound quality is preserved, but the ability to create space for temple pieces is lost
Solution Approach 1:
The ear cup employs a composite structure combining rigid outer shell for acoustic integrity with deformable foam material for adaptation. This composite design allows the rigid components to maintain acoustic performance while the foam components provide the necessary flexibility to create space for temple pieces when needed.
Data Source
AI summary
A headset may comprise at least one ear cup and an ear cup shaper configurable into at least two configurations. When the ear cup shaper is configured in a first of the configurations, the ear cup is shaped to contact the temple of a wearer of the headset. When the adjustable ear cup shaper is configured in a second of the configurations, the ear cup is shaped to accommodate the temple piece of a pair of eyeglasses of a wearer of the headset. The ear cup may comprise a filler material such as foam, and the adjustable ear cup shaper when configured in the second of the configurations may create a depression in the foam. The adjustable ear cup shaper may comprise a strap and/or a plunger.