Conformable Ear Tip with Spout for Stable Acoustic Seal
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Solution Overview
Problem
Conventional earbud headsets are unstable and uncomfortable due to variations in ear shape and size, leading to poor sound quality and increased fatigue from mechanical stabilizers that fail to securely position the receiver.
Innovation Solution
A self-adjusting ear tip with a compressible toroidal section and spout that conforms to the ear, providing an acoustic seal and stability by accommodating different ear sizes and shapes, ensuring the receiver remains securely in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If mechanical stabilizer devices are used to hold the receiver in place, then the receiver stability is improved, but the device complexity and manufacturing cost increase
Solution Approach 1:
The patent removes mechanical stabilizer devices (ear hooks, headbands) from the headset system and replaces them with an ear tip that provides stability through its own structural design featuring a spout that extends into the ear canal, thereby achieving receiver stability without adding device complexity
Solution Approach 2:
The ear tip is constructed from flexible, compliant material that can be compressed during insertion and then expands to conform to the individual user's ear anatomy, providing a customized stable fit without requiring complex mechanical adjustment mechanisms
2Stability of the object's composition
If mechanical stabilizer devices are used to stabilize the headset, then the receiver position is improved, but the headset weight increases causing increased fatigue
Solution Approach 1:
The patent eliminates heavy mechanical stabilizer components such as ear hooks and headbands, replacing them with a lightweight ear tip made of compliant material that achieves stability through anatomical conformation rather than mechanical support structures
Solution Approach 2:
The flexible ear tip material provides sufficient stabilizing force through its ability to conform to and be retained by the ear's natural anatomy, eliminating the need for heavy mechanical support structures while maintaining headset stability during use
3Adaptability or versatility
If the receiver is positioned for minimally sized concha, then larger ears can accommodate it, but smaller concha users experience discomfort and instability
Solution Approach 1:
The ear tip is designed with dynamic, compliant material that allows it to be compressed during insertion and then expands to match the specific anatomical dimensions of each user's ear, providing both universal adaptability and reliable, comfortable fit for all ear sizes without requiring multiple fixed-size designs
Solution Approach 2:
The physical parameters of the ear tip (shape, volume, firmness) change after insertion as the compliant material conforms to the user's ear anatomy, transforming from a generic form to a customized fit that ensures both adaptability across different ear sizes and reliability of the fit
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 provides a secure, comfortable fit, enhances audio quality by preventing sound leakage, and reduces the need for manual adjustments, resulting in improved stability and reduced fatigue during prolonged use.
Implementation Method 1
A compressible and resilient toroidal section 4 and spout 6 are provided for conforming to a user's ear
Data Source
AI summary
Apparatuses and methods for delivering sound to ear canal are provided. The apparatus generally includes a compressible and resilient toroidal section having an inner side and an outer side. An aperture extends from the outer side to the inner side and the outer side has a well disposed within an inner side surface about the aperture. The apparatus further includes a compressible and resilient spout integrated with the toroidal section and extending away from the inner side. The spout includes a channel disposed within an inner spout surface and the channel is coupled to the well.