Alert System for Hearing Impaired Users
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Solution Overview
Problem
Individuals who cannot interact effectively with auditory alerts, such as those with reduced or distorted auditory capacity, often miss critical notifications from machines, leading to potential health or economic consequences.
Innovation Solution
An alert system comprising a microphone, an output device, and a processor that captures sound data and determines if it corresponds to predefined alert sounds, sending instructions to the output device to perform a corresponding alert profile, such as a light sequence or vibration, ensuring alerts are conveyed through non-auditory means.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If auditory alerts are used to notify users of machine events, then the alert system is simple and effective for hearing individuals, but individuals with reduced or distorted auditory capacity cannot effectively receive the alerts
Solution Approach 1:
The patent introduces a microprocessor-based intermediary device that captures auditory alerts through a microphone, processes the sound signals, and converts them into visual displays or alternative notifications. This intermediary system bridges the gap between auditory alert mechanisms and users with hearing impairments, allowing the original simple auditory alert system to become accessible to a broader user base without modifying the original machine's alert mechanism
Solution Approach 2:
The patent replaces the direct auditory notification mechanism with an electronic processing system that uses microprocessors to capture, analyze, and transform sound signals into visual or alternative output formats. This substitution enables the alert system to adapt to different user needs while maintaining the original machine's simplicity
2Reliability
If the system continuously monitors sound to detect alert sounds, then the reliability of alert detection is improved, but the energy consumption increases
Solution Approach 1:
The patent implements periodic sampling of sound signals rather than continuous monitoring, where the microprocessor captures sound at specific intervals or triggers based on detected sound thresholds. This periodic approach maintains reliable alert detection by checking for alert sounds at sufficient frequency while significantly reducing overall power consumption compared to continuous audio processing
Solution Approach 2:
The system performs preliminary sound capture and basic analysis before full processing, using the microphone to detect potential alert sounds and only activating the full processing chain when an alert is likely present. This preliminary filtering reduces the energy required for comprehensive sound analysis while maintaining detection reliability
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
The system effectively communicates alerts to users who cannot hear them, reducing the risk of missed critical notifications and ensuring timely responses to life-saving or repair-related alerts.
Implementation Method 1
an alert system comprising a microphone, an output device, and a processor that captures sound data
Data Source
AI summary
An alert system with at least one microphone, an output device, and a processor in communication with the at least one microphone via a microphone communication link and with the output device via an output device communication link. The processor is configured to receive over the microphone communication link captured sound data based on a sound captured by the at least one microphone, determine whether the captured sound data corresponds to a first alert sound of a plurality of alert sound data, and in response to determining that the captured sound data corresponds to the first alert sound, determine an output alert profile for the first alert sound. The processor sends, to the output device, instructions to perform the output alert profile and the output device may be configured to perform the output alert profile upon receiving the instructions.