Hearing Aid Proximity Sensing for Touch-Free Switching
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Solution Overview
Problem
Hearing aids face challenges in miniaturization, leading to limited space for controls, necessitating remote controls or additional technical aids for operation, and existing solutions require direct contact or large space for switching functions.
Innovation Solution
Implementing a proximity sensor that detects hand movements near the hearing aid to initiate switching functions without direct contact or additional aids, allowing for programmable chronological sequences and distance-based operations to prevent unintentional switching.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If hearing aid housing is miniaturized, then the size of the hearing aid is reduced, but the space available for controls is reduced
Solution Approach 1:
The patent replaces mechanical contact switches with a proximity sensor that detects hand movements through non-contact means. This eliminates the need for physical control elements on the housing, allowing miniaturization while maintaining operational functionality through wireless or field-based detection mechanisms.
Solution Approach 2:
The invention introduces a proximity sensor as an intermediary detection device that senses hand movements without direct contact. This mediator enables control functionality without requiring physical space for traditional switches, resolving the contradiction between miniaturization and control accessibility.
2Ease of operation
If remote controls or additional technical aids are used, then control functionality is maintained, but the number of additional components to be carried increases
Solution Approach 1:
The patent integrates the proximity sensor directly into the hearing aid housing, merging the control detection function with the main device. This eliminates the need for separate remote controls or additional technical aids, reducing the number of components the user must carry while maintaining full control functionality.
Solution Approach 2:
The hearing aid becomes self-sufficient by incorporating the proximity sensor, allowing it to detect and respond to user hand movements autonomously. This self-service capability eliminates dependency on external control devices, simplifying the overall system while preserving ease of operation.
3Ease of operation
If direct contact switches are used, then switching function can be initiated, but direct contact is required which reduces ease of operation
Solution Approach 1:
The patent replaces mechanical contact switches with a proximity sensor system that detects hand movements through non-contact means. This substitution eliminates the requirement for direct physical contact, improving ease of operation by allowing users to control the hearing aid through simple hand gestures in the detection area.
4Ease of operation
If proximity sensor is used, then non-contact operation is enabled, but unintentional switching may occur
Solution Approach 1:
The patent implements a temporal sequence requirement where a specific pattern of hand movements within a defined time period must occur to trigger a switching function. This periodic action pattern recognition filters out random or unintentional hand movements, ensuring that only deliberate user actions initiate control functions while maintaining non-contact operation.
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
Enables direct manual operation of hearing aids without remote controls or magnets, reducing the risk of unintentional switching through specific movement patterns and distance detection, enhancing user control and adaptability.
Implementation Method 1
a proximity sensor is present in the hearing aid which detects that the user's hand has moved into a specific detection area
Data Source
AI summary
The increasing miniaturization of hearing aids means that less and less space is available for accommodating controls (9). It is thus proposed that, at least one proximity sensor (6; 12A, 12B) be provided on a hearing aid (1; 11) so as to enable an operating function to be performed even without touching a control directly. For operation of a hearing aid (1; 11) in accordance with the invention, in addition to the hearing aid (1; 11) itself, no further technical aids such as remote control, magnets etc. have to be worn as well.