Ear-Hook Acoustic Structure for Comfort and Wearing Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing acoustic apparatuses face challenges in providing optimal wearing comfort and stability due to varying ear shapes and sizes among users, leading to discomfort and instability.
Innovation Solution
The acoustic apparatus features a hook-shaped part with distinct curves and a plastic part that can deform to fit different ear shapes, along with a holding part that distributes pressure evenly, enhancing comfort and stability through adjustable contact regions and friction forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a fixed rigid structure is used for acoustic apparatus, then manufacturing precision is improved, but adaptability to different ear shapes deteriorates
Solution Approach 1:
The patent applies the dynamics principle by making the hook-shaped part flexible and deformable, allowing it to adapt its shape dynamically when subjected to external forces during wearing. This enables the same structure to conform to different ear shapes while maintaining manufacturing precision for the base structure.
Solution Approach 2:
The patent changes the physical parameter of the hook-shaped part from rigid to flexible, allowing it to undergo deformation. This parameter change enables the structure to adapt to various ear shapes while maintaining consistent manufacturing specifications for the flexible material and geometry.
2Reliability
If pressure is increased to improve stability, then wearing stability is improved, but wearing comfort deteriorates due to pressure points
Solution Approach 1:
The patent applies local quality by creating non-contact regions at specific locations on the ear where pressure would be concentrated. The hook-shaped part is designed to make contact at distributed regions rather than concentrated points, locally eliminating harmful pressure while maintaining overall stability through strategic contact zones.
Solution Approach 2:
The flexible hook-shaped part dynamically adjusts its contact pressure distribution when worn, automatically reducing pressure at sensitive locations while maintaining sufficient contact for stability. The deformation capability allows the structure to adapt to the ear's geometry, distributing forces more evenly across contact regions.
3Object-affected harmful factors
If the contact area is increased to improve comfort, then wearing comfort is improved, but wearing stability deteriorates due to reduced friction
Solution Approach 1:
The patent applies local quality by creating a differentiated contact pattern with distinct contact regions and non-contact regions. The contact regions are strategically positioned to provide sufficient friction for stability, while non-contact regions prevent pressure concentration. This local differentiation resolves the contradiction between comfort and stability.
Solution Approach 2:
The hook-shaped part incorporates curved geometry that naturally distributes contact along arcs rather than straight lines, increasing the effective contact area for comfort while maintaining point contacts at critical locations for friction-based stability. The curvature allows simultaneous achievement of both comfort and stability.
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 design improves wearing comfort and stability by adapting to various ear shapes, reducing pressure points, and ensuring secure fit without discomfort, thereby enhancing user experience.
Implementation Method 1
a plastic part capable of being plastically deformed to fit the ear of the user
Implementation Method 2
a friction force of the second portion on the first side of the ear may be greater than a friction force of the first portion on the first side of the ear
Data Source
AI summary
The present disclosure provides an acoustic apparatus. The acoustic apparatus may include a hook-shaped part, a connecting part, and a holding part. When a user is wearing the acoustic apparatus, the hook-shaped part may be hung between a first side of an ear and a head of the user, the holding part may be in contact with a second side of the ear, and the connecting part may be connected with the hook-shaped part and the holding part. The hook-shaped part may include a first portion and a second portion, the first portion may be connected with the connecting part, and the second portion may be connected with the first portion. A projection of the first portion on a sagittal plane of the user may include a first curve. A projection of the second portion on the sagittal plane of the user may include a second curve.