Hearing Aid Receiver Module with Segmented Acoustic Path
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Solution Overview
Problem
Existing hearing aid devices, particularly 'in-the-ear' types, face challenges with complex assembly processes that lead to contamination and render servicing difficult, and the antenna is prone to damage due to gluing of components.
Innovation Solution
A module for hearing aid devices featuring a receiver with a sound channel enclosed by a cup-shaped holder and a grommet, where the sound channel is formed by the holder, allowing for easier assembly and servicing, with a grommet and holder connection that prevents sound leakage and damage to the antenna.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If components are glued together to assemble the hearing aid device, then assembly is achieved, but servicing or repairing becomes impossible and contamination from adhesive occurs
Solution Approach 1:
The hearing aid device is divided into modular components (receiver unit, antenna unit, ear mold) that can be individually assembled and disassembled without adhesive, enabling both easy manufacturing and servicing
2Ease of manufacture
If components are glued together to assemble the hearing aid device, then assembly is achieved, but contamination from adhesive on components occurs
Solution Approach 1:
The device is segmented into separate modules connected by mechanical interfaces rather than adhesive bonds, eliminating the source of adhesive contamination while maintaining assembly capability
Solution Approach 2:
A receiver unit serves as an intermediary component that connects the antenna and ear mold through mechanical interfaces, eliminating the need for direct adhesive bonding between critical components
3Ease of manufacture
If the antenna is glued in place, then assembly is achieved, but the antenna can easily be damaged
Solution Approach 1:
The antenna is separated from the ear mold by placing it in a receiver unit housing, creating a protected segment that reduces mechanical damage risk while maintaining assembly simplicity
Solution Approach 2:
The antenna is pre-positioned and secured within the receiver unit housing before final assembly, providing protective cushioning that prevents damage during subsequent handling and assembly 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 module simplifies assembly, reduces contamination, and enhances durability by allowing for detachable components and effective sound conduction while preventing ambient noise interference.
Implementation Method 1
a sound channel aligned with the first sound opening and running in a longitudinal direction for sound guidance
Data Source
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AI summary
The invention relates to a module (10) for installation in a housing (12) of a hearing aid (14), comprising a receiver (18) having a first sound opening (16) for emitting acoustic signals, and a sound channel (20) for sound guidance, which is aligned with the first sound opening (16) and extends longitudinally. The sound channel (20) is enclosed by a cup-shaped holder (22), and the holder (22) has a second sound opening (24) that is aligned with the sound channel (20). The holder (22) carries a grommet (26) with a mounting end (28) and with a connector (30) for connecting an earpiece (32). The grommet (26) has a longitudinal channel (34) for sound guidance, which is aligned with the second sound opening (24) of the holder (22).