Earbud Stability Anchor Feature for Secure Fit and Audio Alignment
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Solution Overview
Problem
Conventional earbuds often fail to fit comfortably and securely in a wide range of ear sizes and shapes while maintaining high audio quality, leading to a need for an anchoring feature that can orient the earbud effectively within the ear.
Innovation Solution
An earbud design incorporating a deformable anchoring feature with a channel that secures within the ear, allowing the earbud housing to be positioned optimally, combined with a removable earbud tip and anchoring feature made of deformable materials, which can be angled to fit between the tragus and concha for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If earbuds are designed to fit a wide range of ear sizes and shapes, then adaptability is improved, but device complexity increases due to the need for adjustable anchoring features
Solution Approach 1:
The anchoring feature incorporates a deformable material that allows dynamic adjustment of the anchoring portion angle. This enables the earbud to adapt to different ear geometries without requiring multiple fixed-size designs, resolving the contradiction between adaptability and complexity by providing adjustability within a single device structure
Solution Approach 2:
The patent changes the physical parameter of the anchoring feature by using deformable material that can be bent to different angles. This allows the same anchoring feature to accommodate various ear sizes and shapes, achieving high adaptability without increasing overall device complexity
2Ease of operation
If the anchoring feature is made deformable to accommodate different ears, then ease of operation is improved, but reliability decreases due to potential material fatigue
Solution Approach 1:
The patent employs parameter changes by selecting deformable materials with specific mechanical properties that balance flexibility and durability. The material can be bent to different angles for adjustment but is engineered to maintain structural integrity over time, resolving the contradiction between ease of operation and reliability
Solution Approach 2:
The anchoring feature uses composite material construction combining deformable materials with sufficient structural strength. This allows the feature to be adjustable while maintaining reliability, as the composite structure provides both flexibility for adjustment and durability for long-term use
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
This design ensures a secure and comfortable fit across various ear sizes, optimizing audio output by aligning the audio driver close to the ear canal and reducing signal degradation, while allowing for customizable fit and feel through adjustable anchoring feature angles.
Implementation Method 1
The anchoring feature can be bent to an angle between 90 and 135 degrees relative to a longitudinal axis of the earbud housing
Data Source
AI summary
An earbud design is disclosed that is configured to sit securely within an ear of a user. The earbud can be secured within the ear by an anchoring feature formed from an elastomeric material. The anchoring feature has a size and shape in accordance with an interior geometry of an ear of a user. Because the anchoring feature positions the earbud with respect to the ear, geometries of the earbud can be focused upon audio performance and/or device aesthetics. In some embodiments, the earbud housing can have a linear design which allows an audio driver within the earbud housing to be positioned close to an opening defined by the earbud housing. In this way, acoustic degradation associated with a long audio path from the audio driver to the opening can be avoided.