Flexible Ear Tip with Ribs for Secure Headphone Fit
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Solution Overview
Problem
Conventional earbuds often fail to provide a secure and comfortable fit, especially in the upper portion of the concha and antihelix of the ear, leading to discomfort and pain during use, particularly during workouts.
Innovation Solution
The headphone apparatus incorporates a flexible tip portion with a unique design featuring an outer wall and ribs that compress to adapt to the user's ear anatomy, providing a semi-custom fit and alleviating pressure on the anti-helical fold by incorporating directional and angular perforated vents, allowing the earbud to securely and comfortably fit within the ear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional earbuds use a fixed rigid structure, then manufacturing is simple, but fit adaptability to different ear anatomies is poor
Solution Approach 1:
The earbud tip incorporates a flexible structure with ribs that can dynamically adjust and compress to adapt to different ear anatomies. The flexible tip portion with ribs allows the structure to deform and conform to the unique shape of each user's ear, providing a customized fit without requiring multiple rigid size options.
Solution Approach 2:
The patent employs a flexible tip portion made from elastomeric material with integrated ribs. This flexible shell structure allows the earbud to adapt to various ear shapes while maintaining structural integrity. The flexibility enables the tip to compress and conform to the contours of the ear canal and antihelix.
2Reliability
If the earbud applies more force to secure the fit, then stability during workouts improves, but discomfort and pain increase
Solution Approach 1:
The flexible tip structure features locally varied properties with ribs positioned at specific locations to provide targeted support and compression. The ribs are strategically placed to engage with specific anatomical features of the ear, providing secure fit in critical areas while maintaining comfort in other regions. This localized quality optimization allows the earbud to achieve stability without applying excessive force uniformly across the entire tip.
3Manufacturing precision
If the earbud uses a one-size-fits-all design, then device complexity is reduced, but fit precision for individual ears deteriorates
Solution Approach 1:
The patent utilizes parameter changes in the flexible material properties and geometric configuration of the ribs to achieve precise fit adaptation. By varying the flexibility, rib spacing, and rib geometry within a single manufacturing process, the design achieves customized fit precision for different ear anatomies without requiring multiple discrete product variants.
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 solution ensures a stable fit during workouts, reduces discomfort by adapting to the ear's shape, and provides a recognizable visual cue associated with the brand, enhancing user experience and comfort.
Implementation Method 1
The flexible tip portion includes an outer wall and a rib intersecting with the outer wall such that the outer wall applies a force against the rib in response to contact with an anti-helical fold of the user's ear
Implementation Method 2
a flexible skirt positioned with the sound tunnel and projecting over the second portion to resiliently seal with the user's ear canal when inserted therein
Data Source
AI summary
In at least one embodiment, a headphone apparatus including an earbud is provided. The earbud includes a housing, a flexible skirt, and a flexible tip portion. The housing includes a loudspeaker positioned therein and at least a portion of the housing being arranged to be received in a user's concha. The flexible skirt is removably coupled to at least a portion of the housing to be at least partially received in an ear canal of the user. The flexible tip portion extends from the housing and the flexible tip portion is configured to be received in at least an antihelix of the user. The flexible tip portion includes an outer wall and a rib intersecting with the outer wall such that the outer wall applies a force against the rib in response to contact with an anti-helical fold of the user's ear.