Receiver-In-Canal Assembly Diaphragm Cable Connection Integration
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Solution Overview
Problem
Traditional receiver-in-canal assemblies are lengthy and do not provide optimal audio output, necessitating a design that is both shorter and more compact while maintaining or enhancing sound quality.
Innovation Solution
The receiver-in-canal assembly features a cable connection means located under the diaphragm, overlapping with it in a perpendicular direction, and a motor connected to the diaphragm to create sound waves, with a housing design that includes an indentation to support the diaphragm and optimize space, allowing for a more compact and efficient sound output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If traditional receiver-in-canal assemblies are designed with separate cable connection and motor components, then the assembly is easier to manufacture, but the overall length increases and space utilization deteriorates
Solution Approach 1:
The cable connection means and motor are merged into a single integrated component structure. The cable connection means is positioned to overlap with the motor in the longitudinal direction, allowing both functions to occupy the same spatial envelope rather than requiring separate linear segments. This integration directly reduces the overall assembly length while maintaining manufacturability through standardized component designs.
Solution Approach 2:
The cable connection means is oriented perpendicular to the diaphragm plane, extending in a direction that overlaps with the motor's longitudinal axis. This dimensional reconfiguration allows the cable connection to occupy vertical space rather than longitudinal space, effectively utilizing three-dimensional volume to reduce the linear footprint of the assembly.
2Volume of moving object
If the cable connection means is positioned away from the diaphragm, then the cable has more space to enter, but the assembly length increases and compactness deteriorates
Solution Approach 1:
The cable connection means extends perpendicular to the diaphragm plane, utilizing the vertical dimension rather than the longitudinal dimension. This orientation allows the cable entry space to be created in the vertical direction while keeping the longitudinal profile compact, effectively decoupling cable access requirements from assembly length.
Solution Approach 2:
The cable connection means is nested within the motor's longitudinal envelope, with both components occupying overlapping spatial regions. The cable connection structure is positioned to fit within the same longitudinal boundaries as the motor, creating a nested arrangement that maximizes volume utilization without increasing overall length.
3Power
If the motor is positioned closer to the diaphragm, then sound output efficiency improves, but the cable connection space is reduced
Solution Approach 1:
The cable connection means is reoriented to extend perpendicular to the diaphragm, creating cable access space in the vertical dimension rather than the longitudinal dimension. This allows the motor to be positioned optimally close to the diaphragm for sound output efficiency while the cable connection occupies orthogonal space that would otherwise be unused.
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
This configuration results in a shorter, more compact receiver-in-canal assembly that achieves improved audio output without increasing size, by efficiently utilizing space within the housing and enhancing sound pressure levels across frequencies.
Implementation Method 1
The motor being electrically connected to the cable connection means may be adapted to transform electrical energy into mechanical energy by movement of an armature forming part of the motor whereby sound waves may be created by movement of the diaphragm
Data Source
Figure 1A~1B
Figure 2
Figure 3~4
AI summary
The present invention provides a receiver-in-canal assembly for positioning in or at an ear canal of a user. The receiver-in-canal assembly comprises a housing comprising an opening between an exterior space outside the housing and an internal space inside the housing, and a cable connection means located in the housing and facilitating connection of a cable to the receiver-in-canal assembly. Furthermore, the receiver-in-canal assembly comprises a first diaphragm extending in a first plane in the housing, and a first motor electrically connected to the cable connection means and operatively connected to the first diaphragm. The cable connection means is located relative to the first diaphragm such that at least a part of it can be projected onto a movable part of the first diaphragm in a direction perpendicular to the first plane and where the cable connection means is located in continuation of the first motor in a plane parallel to the first plane.