Hearing Aid Side Detection via Coil Phase
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Hearing aids often fail to correctly differentiate between left and right ears due to similar housing designs, leading to improper parameter settings and potential mix-ups, which can result in unsuitable hearing assistance.
Innovation Solution
A hearing aid system equipped with a side detection device using spaced-apart receiving coils to differentiate between left and right ear placements through field strength and phase differences in detection signals, automatically adjusting parameter settings accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If hearing aids are designed with similar housing designs for universal fitting, then ease of manufacture and adaptability are improved, but reliability deteriorates due to potential mix-ups between left and right ear aids
Solution Approach 1:
The patent uses color-coded markings (e.g., red for right ear, blue for left ear) on the hearing aid housings to provide visual differentiation. This allows universal housing design while preventing mix-ups through intuitive color identification that users can easily recognize.
2Reliability
If hearing aids are designed with side-specific housing designs, then reliability is improved by preventing mix-ups, but adaptability deteriorates as they cannot be universally fitted
Solution Approach 1:
The patent introduces asymmetric visual elements (color-coded markings in specific positions) on otherwise symmetric housings. This allows the physical housing to remain universal while the asymmetric visual cues provide side-specific identification, enabling both universal fitting and reliable differentiation.
3Reliability
If colored markings are added to hearing aids for differentiation, then reliability is improved by preventing mix-ups, but device complexity increases
Solution Approach 1:
The patent implements a simple color-coding system using distinct colors (e.g., red/blue or black/white) on the housing surfaces. This minimalistic approach provides reliable differentiation without adding mechanical complexity, maintaining ease of manufacture while ensuring correct ear placement.
4Device complexity
If users manually ensure correct hearing aid placement, then device complexity is minimized, but loss of time increases due to user burden
Solution Approach 1:
The patent uses intuitively recognizable color markings that enable users to quickly and effortlessly identify the correct ear placement without requiring manual verification procedures. This reduces the time burden on users while keeping the system simple and requiring no additional active detection mechanisms.
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
Prevents incorrect operation of hearing aids by ensuring each aid is correctly adjusted for the respective ear, enhancing user comfort and eliminating mix-ups, while maintaining minimal additional overhead in wireless signal transmission.
Implementation Method 1
at least one of the hearing aids includes a transmitting coil for transmitting a detection signal and at least the other hearing aid has two receiving coils physically spaced apart from each other for receiving the detection signal sent by the first hearing aid
Data Source
AI summary
In a hearing aid system having a first hearing aid and a second hearing aid for providing binaural hearing assistance to a user, the hearing aid for providing hearing assistance to the left ear can easily be confused with the hearing aid for providing hearing assistance to the right ear. The invention proposes a side detection device by means of which each hearing aid detects on or in which ear of the user it is currently being worn. Advantageously, the parameter settings for providing hearing assistance to both ears are stored in both hearing aids of a respective hearing aid system, with the result that following the automatic detection of the respective ear in which the respective hearing aid is currently being worn the corresponding parameter settings are also activated automatically.