Universal Adjustable Ear Tip Sleeve for Custom Fit
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Solution Overview
Problem
Conventional wearable audio devices fail to adequately adapt to the varying sizes of users' ears and ear canals without the need for multiple adaptors, often resulting in an inadequate fit and potential loss or damage of ear tips.
Innovation Solution
An in-ear audio device with an integral, adjustable ear tip sleeve made of pliable material that can flex and expand radially, allowing for customizable fit by rotating or sliding a trailing edge along the earbud's surface, with detents or stops to maintain positions and ensure secure retention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple adaptors in varying sizes are provided, then adaptability to different ear sizes is improved, but device complexity and ease of operation deteriorate due to the need to select and swap multiple components
Solution Approach 1:
The ear tip is designed with a flexible, adjustable structure that allows it to dynamically adapt to different ear canal sizes. The ear tip includes a flexible portion that can be bent or shaped to conform to the user's ear, eliminating the need for multiple fixed-size adaptors while maintaining adaptability across different ear sizes.
Solution Approach 2:
The adjustable ear tip serves multiple functions: it provides sealing, comfort, and adaptability to various ear sizes all through a single component. The flexible portion enables the same ear tip to be customized for different users or the same user at different times, making one component universally applicable across multiple scenarios that previously required multiple specialized adaptors.
2Adaptability or versatility
If multiple adaptors in varying sizes are provided, then adaptability to different ear sizes is improved, but ease of operation deteriorates due to the need to select and apply different ear tips
Solution Approach 1:
The ear tip includes a flexible portion that can be easily manipulated by hand to bend and conform to the ear canal shape. This dynamic flexibility allows users to quickly adjust the ear tip without needing to select from multiple pre-made sizes, significantly improving ease of operation while maintaining adaptability.
3Adaptability or versatility
If small ear tips are provided, then adaptability to smaller ears is improved, but reliability deteriorates due to easy loss and damage
Solution Approach 1:
The adjustable ear tip merges the functionality of multiple ear tip sizes into a single integrated component. The flexible portion allows the same ear tip to be customized for small, medium, or large ear canals, eliminating the need for separate small ear tips that are prone to loss and damage. The single larger housing structure provides better protection and retention.
Solution Approach 2:
Instead of discarding small ear tips when they are lost or damaged, the adjustable ear tip design allows users to simply re-adjust the flexible portion of the same ear tip. The ear tip can be recovered and reused indefinitely by resetting the flexible portion, eliminating the continuous loss and replacement of small ear tips.
4Manufacturing precision
If fixed-size ear tips are provided, then manufacturing precision is improved, but adaptability deteriorates
Solution Approach 1:
The ear tip transitions from a fixed, rigid structure to a dynamic, flexible structure. The flexible portion can be bent and shaped after manufacturing, allowing the same precisely-manufactured ear tip to adapt to different ear sizes. This maintains the manufacturing precision of the main ear tip structure while adding adaptability through the flexible component.
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 adjustable ear tip sleeve provides a secure, customizable fit for a range of ear sizes, ensuring proper sealing and retention during use while being easy to adjust and maintain, minimizing the risk of loss or damage.
Implementation Method 1
an ear tip sleeve comprised of a pliable, resilient material that is disposed to cover at least a portion of the exterior surface of the earbud between the output end and the base
Data Source
AI summary
An audio device for insertion into an ear canal of a user that includes an adjustable ear tip. The ear tip is formed by a sleeve disposed on a body of the audio device with a first end of the sleeve coupled to an output end of the body. In a retracted state, the sleeve lies alongside an exterior surface of the body. Movement of the second end relative to the body moves the second end axially along the body and flexes the sleeve radially outward away from the body. An extent of movement of the second end is selectable to provide a radial dimension of the sleeve and thus the ear tip that provides a suitable fit of the audio device with a user's ear canal.