Dual-Screen Printing Apparatus for Coordinated User Operations
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Solution Overview
Problem
In large format printing, the inefficiency and inaccuracy in operations arise from the need for two users to perform coordinated actions, often requiring synchronized guidance that existing systems fail to provide effectively.
Innovation Solution
A printing apparatus with two screens positioned differently, controlled by a processor that displays synchronized guidance images to users, allowing simultaneous performance of coordinated actions such as setting roll paper, thereby improving operational efficiency and accuracy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single operation panel is used for large format printing, then the device complexity is reduced, but the operational efficiency and accuracy deteriorate when two users need to perform coordinated actions
Solution Approach 1:
The single operation panel is segmented into two separate operation panels positioned at different locations (front and rear) of the printing apparatus. Each panel is equipped with its own display and input interface, allowing two users to independently access and perform operations without interfering with each other, thus improving operational efficiency while maintaining manageable device complexity through modular design
2Measurement precision
If two users share one operation panel, then the device complexity is minimized, but the accuracy of coordinated actions deteriorates due to lack of simultaneous guidance
Solution Approach 1:
The display system transitions from a single two-dimensional panel shared by two users to two separate display surfaces positioned in different spatial dimensions (front and rear locations). This dimensional separation allows each user to receive accurate, simultaneous visual guidance for their specific tasks without the interference or confusion that would occur on a shared display, thereby improving operational accuracy while distributing the display complexity across multiple independent units
3Productivity
If coordinated actions are performed without synchronized guidance, then the system simplicity is maintained, but the productivity deteriorates due to sequential rather than parallel operations
Solution Approach 1:
Each operation panel is designed to be self-sufficient, with its own display, processor, and control logic that can independently provide guidance and receive input without requiring constant communication with or dependency on the other panel. This self-service capability enables two users to perform coordinated actions in parallel autonomously, significantly improving productivity while keeping the overall control system relatively simple through decentralized architecture
Data Source
AI summary
A printing apparatus includes a first screen facing in a first direction, a second screen facing in a second direction different from the first direction, and a processor that controls display of the first screen and display of the second screen. The processor performs control for displaying a first image on the first screen and, simultaneously, displaying a second image on the second screen. A first action of a user on which guidance is provided by the first image and a second action of a user on which guidance is provided by the second image are actions configured to be performed simultaneously.