Reconfigurable Intra-Auricular Support for Earphones
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Solution Overview
Problem
Conventional earphones lack a substantially rigid earpiece configuration that securely fits the outer ear, leading to discomfort and instability during use.
Innovation Solution
An earpiece with an intra-auricular support having a base that securely attaches to the earphone housing, featuring a pliant or moldable material that conforms to the ear's shape, using adhesion elements or flexible designs to maintain engagement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional earphones use a fixed rigid earpiece design, then manufacturing is simple and cost-effective, but the earpiece cannot conform to individual ear shapes leading to discomfort and instability
Solution Approach 1:
The earpiece utilizes a two-material construction where a rigid support structure provides structural integrity while a separate pliant material layer conforms to the ear's shape. This allows the earpiece to adapt to individual ear contours without requiring complete redesign of the entire structure, resolving the contradiction between adaptability and device complexity.
Solution Approach 2:
The earpiece combines a rigid support structure with a pliant material layer to achieve both structural stability and conformability. The rigid portion maintains the earphone's functional alignment while the pliant portion adapts to the user's ear shape, eliminating discomfort and instability without requiring the entire earpiece to be complex or custom-molded.
2Ease of operation
If the earpiece is made completely rigid for structural stability, then alignment with ear canal is maintained, but comfort is reduced due to lack of conformity to ear contours
Solution Approach 1:
The earpiece is divided into distinct functional zones: a rigid support structure that maintains structural stability and ear canal alignment, and a pliant material layer that provides comfort by conforming to ear contours. This segmentation allows each portion to optimize its specific function without compromising the other, resolving the contradiction between comfort and structural stability.
Solution Approach 2:
Different portions of the earpiece have different mechanical properties tailored to their specific functions. The rigid support structure provides stability where needed, while the pliant material provides comfort where it contacts the ear. This local differentiation of material properties resolves the contradiction between structural stability and comfort.
3Ease of operation
If the earpiece uses pliant or moldable material for comfort, then conformity to ear shape is achieved, but manufacturing precision and consistency become more difficult
Solution Approach 1:
The pliant material is pre-formed into a consistent configuration that can be heat-set or molded to achieve uniform shapes before final assembly. This preliminary shaping ensures that each earpiece starts with consistent geometry, and the pliant material's ability to be pre-formed maintains manufacturing precision while still allowing for comfort-conforming design.
4Reliability
If the earpiece is customized to fit individual ears, then comfort and stability are improved, but manufacturing time and complexity increase
Solution Approach 1:
The earpiece uses a standardized rigid support structure with a pliant material layer that can be manufactured in consistent configurations. The pliant material's inherent flexibility allows it to adapt to individual ear shapes without requiring custom manufacturing for each user, thus maintaining high productivity while achieving reliable engagement stability through the two-material design.
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
The earpiece provides a secure, comfortable fit by conforming to the ear's contours, ensuring the earphone aligns properly with the ear canal and remains in place, addressing the issues of discomfort and instability in conventional earpieces.
Implementation Method 1
the moldable support material being heated to achieve a moldable condition
Implementation Method 2
reconfiguring the moldable support material by engagement with the auricle of the ear
Data Source
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AI summary
An earpiece including an intra-auricular support positionable in an auricle of an ear, a portion of the intra-auricular support configured as an intra-auricular support base securable to an earphone housing of an earphone.