Active-Vent Hearing Earpiece for Smaller Ear Canals
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Solution Overview
Problem
Earpieces for hearing devices often fail to fit properly in smaller ear canals and extend outward, compromising comfort and aesthetics, while also lacking optimal sound quality for both external and internal audio sources.
Innovation Solution
The earpiece design includes a vent mechanism positioned distally to the receiver, reducing the device's size, especially proximally, allowing for a better fit in smaller ear canals and enhancing sound quality by selectively opening and closing vent paths for improved bass and environmental sound clarity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the vent mechanism is positioned proximally to the receiver, then the device structure is simpler, but the device size increases and cannot fit properly in smaller ear canals
Solution Approach 1:
The patent repositions the vent mechanism from a proximal location to a distal location relative to the receiver, effectively utilizing the longitudinal dimension of the earpiece housing. This dimensional reconfiguration allows the vent mechanism to be arranged in a space that does not increase the overall device volume, thereby resolving the contradiction between structural simplicity and compact size for small ear canals.
2Ease of operation
If the device size is reduced to fit smaller ear canals, then comfort and aesthetics improve, but the available space for components is limited
Solution Approach 1:
By arranging the vent mechanism distally to the receiver along the longitudinal axis of the earpiece, the patent optimizes the use of available space within the compact housing. This spatial arrangement allows all necessary components to be accommodated in a reduced overall volume, enabling the device to fit comfortably in smaller ear canals while maintaining adequate space for component functionality.
3Volume of moving object
If the vent mechanism is arranged distally to the receiver, then the device can be made smaller for better fit, but the device complexity increases
Solution Approach 1:
The distal arrangement of the vent mechanism relative to the receiver utilizes the longitudinal dimension of the earpiece housing efficiently. This configuration achieves compact device size for small ear canals while actually simplifying the internal structure by creating a more linear and organized component layout, thereby resolving the perceived complexity increase.
4Ease of operation
If the earpiece extends outward from the ear canal, then easier access to external sound is achieved, but aesthetics and comfort are compromised
Solution Approach 1:
The distal positioning of the vent mechanism allows the earpiece to maintain a compact profile that fits deeply within the ear canal, minimizing outward extension. This spatial arrangement ensures that the vent remains accessible to external sound while the overall device shape remains sleek and aesthetic, resolving the contradiction between sound access and device profile.
Data Source
AI summary
An earpiece of hearing device for insertion into an ear canal of a user and having a longitudinal axis, the earpiece includes an earpiece housing having a distal end, a proximal end, and an outer surface connecting the distal end to the proximal end, a receiver comprising a receiver housing, the receiver located within the earpiece housing, and a vent mechanism arranged in the earpiece housing, wherein the vent mechanism is arranged distal to the receiver.