Earphone Under Hanger for Stability and Comfort
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Solution Overview
Problem
Conventional earphones tend to detach easily from the ear during movement, causing discomfort and requiring complex structures to prevent separation, which can lead to pain and an uncomfortable user experience.
Innovation Solution
An earphone design featuring a housing with a mesh protector for sound delivery, an under hanger at the lower part of the housing for secure ear contact, and a duct at an inclined angle to guide the earphone cord, all made from soft and elastic materials to ensure comfort and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an earhook is formed in the cover of the earphone to prevent separation, then the earphone is not easily separated from the user's ear, but the structure becomes complicated and causes pain in the ear during long-term use
Solution Approach 1:
The earphone is divided into separate functional components: the main body housing containing the speaker, and a separate under-hanger component that attaches to the lower part of the ear. This segmentation allows each part to perform its specific function without the complexity of an integrated earhook structure, reducing overall device complexity while maintaining attachment stability.
Solution Approach 2:
The under-hanger acts as an intermediary element between the earphone body and the user's ear. Instead of the main housing directly engaging with the ear (which would require complex earhook structures), the under-hanger serves as a mediating component that provides simple, effective attachment at the lower ear portion, reducing both structural complexity and discomfort.
2Reliability
If an earhook is formed to prevent separation, then the earphone is not easily separated from the user's ear, but the user feels pain in their ear during long-term use
Solution Approach 1:
The under-hanger is specifically designed with local quality considerations: it is formed from soft, flexible material (such as silicone or rubber) that is gentle on the ear tissue, whereas the main housing can be made of harder materials for structural integrity. This localized material selection prevents ear pain while maintaining attachment stability.
Solution Approach 2:
Instead of applying attachment force at the upper ear canal area (where earhooks traditionally engage and cause pain), the under-hanger applies attachment force at the lower part of the ear. This inverted approach to attachment positioning achieves stability while avoiding the painful pressure points associated with traditional earhook designs.
3Device complexity
If the earphone structure is simplified, then manufacturing and comfort are improved, but the earphone becomes easily separated from the user's ear during movement
Solution Approach 1:
The under-hanger extends the attachment function to a different spatial dimension - the lower part of the ear rather than the upper ear canal area. This dimensional shift allows for a simpler overall structure while maintaining attachment stability, as the under-hanger provides an additional attachment point that prevents the earphone from falling out during movement without requiring complex multi-component structures.
Data Source
AI summary
An earphone having an under hanger reduces movement of the earphone from vibrations that occur while a user is typically in motion. The earphone preferably includes: a housing for housing a speaker therein; a protector installed in a front surface of the housing and having a mesh for delivering a sound from the speaker; and an under hanger provided at a lower part of the housing to closely contact along a lower part of the rear side of an earflap of a user. The provision of an under hanger in a lower part of the earphone prevents from being easily separated from a user's ear. Further, by providing an under hanger made of a soft material, as the earphone closely contacts with the user's ear, a sound quality is improved and a wearing feeling of the earphone is improved.