Earpiece Ear Tips With Extended Neck For Acoustic Sealing
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Solution Overview
Problem
Conventional earpiece auditory devices face challenges in achieving high fidelity sound, comfortable fit, acoustic sealing, and ease of insertion and removal due to anatomical variations in ear canals, leading to issues with custom fit molds being expensive and generic ear tips being either too loose or too tight, and difficult to exchange.
Innovation Solution
The design includes an ear tip with an extended neck portion that enhances flexibility for insertion and removal, and a detachable fastening mechanism that provides sufficient securing force, allowing deep insertion into the ear canal for improved sound quality and sealing, while being easy to exchange.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an ear tip is designed with a snug elastic fit to prevent disconnection from the speaker assembly, then the reliability of the connection is improved, but the ease of operation for exchanging the ear tip deteriorates
Solution Approach 1:
The ear tip is segmented into multiple components: a reusable speaker assembly and a replaceable ear tip portion. This segmentation allows the ear tip to be exchanged independently without replacing the entire device, resolving the contradiction by enabling easy replacement while maintaining connection reliability during use through the secure fit design.
Solution Approach 2:
The ear tip incorporates dynamic elements including an elastic portion that provides flexible adaptation to ear anatomy and a detachable connection mechanism that transitions from a secure fitted state during use to an easily removable state for exchange, resolving the contradiction between secure connection and easy exchangeability.
2Ease of manufacture
If a generic ear tip design is used to simplify manufacturing, then the ease of manufacture is improved, but the adaptability to different ear canal anatomies deteriorates
Solution Approach 1:
The ear tip design utilizes parameter changes in material properties, specifically incorporating an elastic portion with specific durometer values (e.g., 10-30 Shore A) that allow the material to deform and adapt to different ear canal anatomies while maintaining a secure fit, resolving the contradiction between generic manufacturing and anatomical adaptability.
Solution Approach 2:
The ear tip is constructed from composite materials including elastic portions and thermoplastic elastomers that combine the properties of flexibility and structural integrity, enabling a single generic design to adapt to various anatomies while maintaining manufacturing simplicity.
3Reliability
If the speaker assembly is inserted deeply into the ear canal for improved sound quality and sealing, then the sound fidelity is improved, but the difficulty of insertion and removal increases
Solution Approach 1:
The device is segmented into a speaker assembly and an ear tip portion, allowing the flexible ear tip to lead insertion through ear canal bends while the speaker assembly follows, enabling deep insertion for acoustic sealing while maintaining ease of insertion and removal through the flexible leading portion.
Solution Approach 2:
The ear tip incorporates flexible material portions that can bend and conform to the ear canal's S-shaped anatomy, enabling deep insertion past bends for improved acoustic sealing while maintaining ease of insertion and removal through the flexibility that reduces resistance during these operations.
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 comfortable, secure, and easily replaceable ear tip that maintains sound quality and prevents occlusion, addressing the challenges of anatomical variations and user comfort in earpiece auditory devices.
Implementation Method 1
an ear tip with an extended neck portion that enhances flexibility for insertion and removal
Implementation Method 2
a detachable fastening mechanism that provides sufficient securing force
Data Source
AI summary
Systems, devices and methods relating to auditory devices having an ear tip with a neck portion configured to extend beyond the end of a speaker assembly when assembled are provided. Embodiments provide for an ear tip with enhanced flexibility for insertion and removal and while the ear tip is in use. Additionally, embodiments may provide for a fastening means that allows the ear tip to be easily detachable from a speaker assembly, while also providing sufficient securing force for the ear tip to secure the tip to the speaker assembly while the tip is subjected to forces resulting from insertion, removal or otherwise normal use of the auditory device.