Web-Based Colour Quality Control via Browser USB Access
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Solution Overview
Problem
Existing color quality control systems for coatings require separate installations of drivers and local data storage, making them cumbersome and environment-dependent.
Innovation Solution
A web-based color quality control server utilizing a WebUSB API allows users to interact with USB color measurement devices through a web browser, enabling cloud-based services without local installations, and provides a GUI for data classification and comparison with reference data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional color quality control system is used with local installation, then measurement precision and data security are improved, but device complexity and ease of operation deteriorate due to driver installation requirements and local data storage management
Solution Approach 1:
The patent introduces a web server as an intermediary between the user and the color measurement device. The web server handles driver communication and data processing, while users interact through a simplified web interface. This mediator absorbs the complexity of driver installation and local data storage, presenting only a simple web-based interface to users, thereby resolving the contradiction between ease of operation and device complexity
Solution Approach 2:
The patent replaces the traditional mechanical installation system (local software installation, driver configuration, local database setup) with a web-based system. Instead of installing complex local software, users access the color quality control system through a web browser, which substitutes the mechanical installation process with network-based access, eliminating driver installation requirements and simplifying the user experience
2Adaptability or versatility
If color measurement devices are connected locally, then measurement precision is improved, but adaptability deteriorates due to operating system dependencies and driver installation requirements
Solution Approach 1:
The patent makes the color measurement system universal by implementing it as a web service that can be accessed from any device with a web browser, regardless of operating system. The web server handles device-specific communications and presents a unified interface, allowing the same system to work across Windows, macOS, Linux, and mobile platforms. This universality enables the system to adapt to different devices and platforms while maintaining reliable color measurement functionality through standardized web protocols
3Productivity
If local data storage is used, then measurement precision and data security are improved, but ease of operation and productivity deteriorate due to manual data transfer and file management requirements
Solution Approach 1:
The patent merges the data storage, processing, and sharing functions into a unified web-based system. Instead of separate local storage and manual file transfer processes, the system combines these functions into an integrated web interface where measurement data is automatically uploaded, stored, processed, and shared through the same web platform. This merging eliminates the need for manual data transfer and simplifies data management operations, thereby improving both productivity and ease of operation
Data Source
AI summary
In order to improve colour quality control of paint coatings, described herein is a colour quality control server that is configured to provide a software distribution model, i.e. Software as a Service (SaaS). With the colour quality control server, the capability provided to a user is to use a collection of (web-)services which are responsible for web-based colour quality control running on a cloud infrastructure. These (web-)services are accessible from various client devices through a thin client interface such as a web browser, a mobile app, or a desktop app.