Display Screen Control Device Error Detection and Confirmation
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Solution Overview
Problem
Users face difficulties in checking set values for set items on a display screen acquired from a web server when network or server load is high, leading to incomplete displays and cumbersome operations to ensure all images are loaded correctly before job execution.
Innovation Solution
A display screen control device and method that includes error detection, confirmation screen creation, and screen change functionality to create a setting confirmation screen with set values for undisplayed items before job execution, allowing users to verify settings without re-acquiring the display screen from the web server, even under heavy load conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the display screen is acquired from the web server under heavy load, then the display function is provided, but some images may not be displayed normally
Solution Approach 1:
The error detection part proactively checks for display errors of images in the acquired display screen before the user attempts to execute a job. This preliminary detection prevents the user from encountering incomplete displays later, allowing the system to prompt for re-acquisition before the job execution fails
Solution Approach 2:
The system implements a feedback mechanism where the error detection part continuously monitors image display status and provides feedback to the user through error messages. When images are not displayed normally, the system notifies the user and prevents job execution until the display issue is resolved, creating a closed-loop quality control
2Reliability
If the update button is operated repeatedly to acquire the display screen again, then the chance of normal image display increases, but the operation time and user burden increase
Solution Approach 1:
The error detection part performs automatic detection of display errors before the user needs to manually update the screen. By detecting issues preliminarily and prompting users to update only when necessary, the system eliminates the need for repeated manual update operations and reduces user time investment
3Loss of information
If the user checks set values by re-acquiring the display screen, then the set value visibility is improved, but the network load and operation complexity increase
Solution Approach 1:
The error detection part preliminarily identifies which images (containing set values) are not displayed normally. This allows the system to provide targeted error messages informing users exactly which set values cannot be checked, enabling informed decisions about whether to re-acquire the display screen without requiring users to manually investigate each missing element
Data Source
AI summary
A display screen control device comprises: a browser for acquiring a display screen from the web server and displaying on a predetermined display part; an error detection part for detecting whether or not a display error of an image contained in the display screen acquired by the browser is occurred with the display screen being displayed on the display part when instructions on execution of a job given by the user is detected; a confirmation screen creation part for creating a setting confirmation screen including a set value of each of at least one set item corresponding to the image in which the display error is detected when the display error is detected; and a screen change part for changing the display screen displayed on the display part to the setting confirmation screen created by the confirmation screen creation part prior to start of execution of the job.