Step-Styled Earphone Tip for Small Ear Anatomy
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Solution Overview
Problem
Conventional earphones often fail to provide an adequate fit for users with smaller ear anatomy, leading to discomfort and inadequate sound quality due to structural limitations and the need to balance speaker size with earbud tip dimensions.
Innovation Solution
The design incorporates a step-styled earphone tip with a smaller leading-section and a larger mid-section, allowing the speaker component to be partially disposed within the mid-section, closer to the user's eardrum, while maintaining a smaller leading diameter for better fit and reducing congestion in the housing for other components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the speaker component is placed in the tip portion of the earphone, then sound quality is improved due to proximity to the eardrum, but the tip dimensions cannot be decreased further to accommodate users with smaller ears
Solution Approach 1:
The tip portion is divided into two functional sections: a leading section that extends into the ear canal with reduced dimensions for better fit, and a mid-section that houses the speaker component. This segmentation allows each section to be optimized independently - the leading section for comfort and the mid-section for acoustic performance.
Solution Approach 2:
The invention transitions from a uniform cylindrical tip design to a step-styled design with varying cross-sectional dimensions along the longitudinal axis. The leading section has smaller diameter while the mid-section has larger diameter, utilizing dimensional variation to resolve the contradiction between tip size and speaker accommodation.
2Adaptability or versatility
If multiple cushion sizes are provided to accommodate different ear anatomies, then adaptability is improved, but device complexity increases
Solution Approach 1:
The tip portion is designed with a flexible material that can dynamically adapt to different ear canal dimensions. The step-styled structure with flexible material allows the tip to conform to various ear anatomies without requiring multiple discrete cushion sizes, reducing complexity while maintaining adaptability.
3Ease of operation
If the tip diameter is decreased to fit users with smaller ears, then ease of operation is improved, but the speaker component cannot be accommodated effectively
Solution Approach 1:
The tip is segmented into a leading section with small diameter for ear fit and a mid-section with larger diameter for speaker accommodation. This segmentation allows the tip to be small at the ear-contact portion while still providing adequate space for the speaker component in the mid-section.
Solution Approach 2:
The invention uses dimensional variation along the longitudinal axis of the tip - small diameter in the leading section for comfort, larger diameter in the mid-section for speaker accommodation. This dimensional change resolves the contradiction between small tip size and speaker space requirements.
Data Source
AI summary
An earphone audio device includes a housing, a speaker component, and a step-styled tip wherein the tip comprises a mid-section and a leading-section, the leading section having a smaller radial profile than the mid-section, and the speaker component is at least partially disposed within the aperture formed by the interior wall of the mid-section. In some embodiments, the speaker component may be entirely disposed within the mid-section such that no part of the speaker component extends toward the housing of the earphone beyond the aperture formed by the mid-section.