Acoustic Hearing Aid Pairing and Programming
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Solution Overview
Problem
Existing hearing aid technologies lack simplicity in programming and identification, requiring trained technicians and separate devices for testing and calibration, and fail to accurately test each ear independently, especially when one ear has better hearing than the other.
Innovation Solution
A system that uses sound signals to identify and pair hearing aids, allowing users to program and calibrate them independently using a hand-held controller with microprocessors and acoustic communication, enabling accurate hearing tests and noise cancellation without additional apparatus.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wired connections are used to communicate with hearing aids, then data transfer reliability is improved, but device complexity and user convenience deteriorate due to exposed connectors
Solution Approach 1:
The patent replaces mechanical wired connections with acoustic signal transmission through air. The programming device communicates with the hearing aid via audible frequency signals that are transmitted through the air and received by the hearing aid's microphone, eliminating the need for physical connectors while maintaining reliable data transfer.
2Measurement precision
If separate devices are used for testing and calibration, then measurement precision is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The patent combines the hearing test functionality and hearing aid programming into a single integrated device. The programming device includes a speaker that generates test tones and a microphone that captures the hearing aid's output, allowing both testing and calibration to be performed with one device rather than requiring separate testing equipment.
Solution Approach 2:
The programming device serves multiple functions: it can program the hearing aid, perform hearing tests, and calibrate the device. By making the programming device universal and multi-functional, the system eliminates the need for separate testing and calibration devices while maintaining measurement precision.
3Ease of operation
If identity codes are not used, then ease of operation is improved by simplifying the system, but the ability to distinguish between hearing aids deteriorates
Solution Approach 1:
The patent uses acoustic signatures or coding schemes that allow the programming device to distinguish between different hearing aids through their unique identification codes. These codes are transmitted and recognized acoustically, enabling the system to identify and program the correct hearing aid without adding visible complexity or requiring physical labels.
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 users to easily identify, pair, and program hearing aids, perform accurate independent ear tests, and provide noise cancellation, allowing for convenient at-home adjustments and improved hearing aid functionality.
Implementation Method 1
transmit an acoustic signal representing the at least one identification code
Data Source
AI summary
A hearing aid is identified by storing a first binary code in the hearing aid as a first identification code, storing a second binary code in the hearing aid as a default code, and replacing the default code with a second identification code if a second hearing aid is used by the person using the first hearing aid. The identification code includes a bit indicating for which ear the hearing aid is intended. If two hearing aids are used, the identification code of the first hearing aid is substituted for the default code in the second hearing aid and vice-versa, thereby pairing the first hearing aid with the second hearing aid and indicating that there are two hearing aids needed, even if one hearing aid should become lost or inoperative.