Breathalyser Feedback Coaching for Accurate Breath Sampling
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Solution Overview
Problem
Existing breathalyzers often provide inaccurate results due to incorrect user blowing techniques and lack of feedback, leading to erroneous readings and user frustration, while also failing to account for varying jurisdictional standards and requirements.
Innovation Solution
A breathalyzer coaching methodology that monitors and provides real-time feedback on breathing parameters (volume, flowrate, and pressure) to correct user technique, and adjusts settings to comply with different legal standards based on user input or location detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a breathalyser monitors pressure, volume, and flowrate to detect incorrect usage, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The breathalyser system segments the monitoring function into distinct parameters (pressure, volume, flowrate) that are monitored independently. Each parameter has its own threshold checks and error conditions, allowing the system to identify specific aspects of incorrect usage without requiring a monolithic complex monitoring system.
Solution Approach 2:
The system provides real-time feedback to users through error messages that specifically indicate which parameter is causing measurement issues (pressure, volume, or flowrate). This feedback mechanism enables users to correct their blowing technique without requiring complex diagnostic interfaces, simplifying the user interaction while maintaining high measurement precision.
2Ease of operation
If a breathalyser provides generic error messages for incorrect usage, then ease of operation is improved, but measurement precision deteriorates
Solution Approach 1:
The error messaging system provides localized, specific information about which parameter (pressure, volume, or flowrate) is causing the measurement error. Rather than providing a single generic error message, the system tailors the feedback to the specific parameter issue, enabling users to make precise corrections to their blowing technique while maintaining simple operation.
3Measurement precision
If a breathalyser provides specific diagnostic feedback on blowing technique parameters, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The breathalyser system enables users to self-diagnose and self-correct their blowing technique by providing specific feedback on which parameter (pressure, volume, or flowrate) is incorrect. Users can independently adjust their technique based on the diagnostic information without requiring complex professional guidance systems or additional hardware components.
Data Source
Figure 1(1)~1(19)
Figure 2(1)~2(7)
Figure 3
AI summary
The invention relates to a method of coaching a user of a breathalyser to make use of correct blowing technique when blowing into the breathalyser.