Hearing Aid Configuration Detection via Signal Line Transmission
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Solution Overview
Problem
The complexity of various hearing aid configurations, including different earpieces and receivers, leads to challenges in accurately identifying and fitting the correct components, resulting in potential maladjustment, incorrect calibrations, and user inconvenience.
Innovation Solution
A method for automatic identification of hearing aid components using configuration information transmitted over existing signal lines, allowing for correct fitting and prevention of maladjustment without hardware modifications, utilizing a microcontroller to short-circuit the line and decode configuration details.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a large variety of earpieces with different receivers, lengths, and customizations are provided to suit individual user anatomy and requirements, then the adaptability and versatility of the hearing aid system is improved, but the complexity of identifying and correctly configuring the specific components increases significantly
Solution Approach 1:
The patent introduces configuration information as an intermediary data structure that mediates between the diverse physical earpiece components and the hearing aid's control system. This configuration information, stored in memory and transmitted via existing signal lines, serves as a digital representation that enables the system to identify and adapt to the specific earpiece connected without requiring complex hardware identification mechanisms.
Solution Approach 2:
The system enables self-service by automatically detecting the connected earpiece type through its configuration information and autonomously adjusting the hearing aid's parameters and signal processing accordingly. This eliminates the need for manual configuration by audiologists or users, as the system self-identifies the component variant and self-adjusts its operation.
2Loss of time
If manual identification and configuration of hearing aid components is performed, then the initial setup time and user intervention are reduced, but the risk of maladjustment and incorrect calibration increases
Solution Approach 1:
The patent implements feedback by having the hearing aid system automatically read configuration information from the connected earpiece's memory, identify the specific component type, and use this information to adjust its operation. This closed-loop feedback mechanism ensures that the system continuously operates with accurate knowledge of its configured components, eliminating manual errors while maintaining high reliability.
Solution Approach 2:
The configuration information is pre-stored in the earpiece's memory during manufacturing, containing all necessary identification data about the receiver type, earpiece variant, and specific characteristics. This preliminary encoding of configuration data eliminates the need for time-consuming manual identification during fitting, allowing instant automatic recognition and configuration.
3Device complexity
If existing signal lines are used for transmitting configuration information instead of adding dedicated identification wires, then the device complexity and cost are kept minimal, but the transmission of configuration data must share existing communication channels
Solution Approach 1:
The patent applies multi-functionality by using existing signal lines that originally served audio transmission purposes to also carry configuration information. The same electrical conductors in the sound signal transmission member that transmit audio signals between the hearing aid and earpiece are also utilized to transmit configuration data, eliminating the need for separate dedicated identification wires and maintaining connector simplicity.
Solution Approach 2:
The system changes the parameters of existing signal lines by utilizing different electrical characteristics (such as resistance patterns, capacitance values, or signal modulation modes) of the connected earpiece components to encode configuration information. By detecting variations in electrical parameters of the existing signal paths, the system can extract configuration data without adding physical identification conductors.
Data Source
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AI summary
A hearing aid includes: a first housing accommodating first circuitry; a second housing accommodating second circuitry; and a connector configured for interconnection of the first circuitry with the second circuitry; wherein the connector comprises a line for transmission of a first signal between the first circuitry and the second circuitry; wherein the second circuitry includes a transmitter configured for transmission of a second signal with configuration information to the first circuitry utilizing the line; and wherein the first signal does not contain the configuration information.