Test Strip Chromaticity Coding and Spectrum Analyzer Calibration
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Solution Overview
Problem
Conventional test strips lack identification marks, leading to confusion when multiple types are used, and existing spectrum analyzers are expensive and limited in light splitting effects, requiring separate devices for different tests, making them inconvenient and impractical.
Innovation Solution
A test strip with an identification region coded using a chromaticity coordinates model, a calibration region for light splitting calibration, and a reaction region for chemical color change, combined with a spectrum analyzer and display to generate and interpret light splitting signals for accurate results.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If conventional test strips are used without identification marks, then the test strip structure is simple, but users become confused when using multiple types and may use wrong reference colors leading to incorrect determination
Solution Approach 1:
The patent applies color changes by using different reference color regions with distinct chromaticity coordinates to encode identification information. Each test strip type has unique reference color combinations that users can visually distinguish, eliminating confusion while maintaining simple test strip structure without requiring additional identification marks or barcodes.
2Measurement precision
If spectrum analyzers are used for precise color change determination, then measurement precision is improved, but the equipment becomes expensive and limited to particular wavelength segments requiring multiple devices
Solution Approach 1:
The patent makes the spectrum analyzer universal by enabling it to handle multiple wavelength segments through a single device. The system uses a programmable spectrum analyzer that can be configured with different wavelength ranges and reference color data corresponding to various test strip types, allowing one device to perform multiple test functions that previously required separate specialized analyzers.
Solution Approach 2:
The patent applies parameter changes by making the spectrum analyzer programmable with adjustable wavelength segments and configurable reference color chromaticity coordinates. This allows the same physical device to change its operational parameters to match different test requirements, eliminating the need for multiple fixed-wavelength devices while maintaining measurement precision.
3Reliability
If conventional test strips without chromaticity coding are used, then manufacturing is simple, but user error increases due to confusion between different test strip types
Solution Approach 1:
The patent uses color changes in the reference color regions with specific chromaticity coordinates to encode test strip type information. This provides reliable visual identification for users to distinguish between different test strip types, reducing user error and improving test determination accuracy while requiring only standard coloring processes during manufacturing.
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 solution enables efficient, precise, and cost-effective identification and analysis of specimens by categorizing test strips and improving light splitting capabilities, reducing user error and equipment costs.
Implementation Method 1
a spectrum analyzer conducting a light splitting calibration through the calibration region, and generating two light splitting signals based on colors of the identification region and the reaction region
Implementation Method 2
a reaction region chemically reacted with a particular specimen for changing its own color
Data Source
AI summary
The invention provides a test strip comprising an identification region coded a screen function of the test strip by a chromaticity coordinates model; a calibration region having a particular color for calibrating an external spectrum analyzer; and a reaction region chemically reacted with a specific specimen for changing its own color. By using the external spectrum analyzer to conduct light splitting of the reflective lights from the recognition and reaction regions of the test strip, automatic recognition and simplified usage can be achieved.