Touch Panel Preview Image Display Control for Small Screens
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Solution Overview
Problem
On small-sized screens of image forming apparatuses, the display of operation and display objects alongside preview images degrades user visibility due to limited space, making it difficult to enhance user convenience.
Innovation Solution
The image forming apparatus includes a touch panel with a display control unit that hides operation objects from display when a user performs a touch operation on the preview area, allowing for a larger preview image area and improved visibility by dynamically managing the display of objects based on user interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If operation objects are displayed on the preview area, then users can access functions and controls, but the preview image area becomes smaller and user visibility is degraded
Solution Approach 1:
The display state of operation objects is made dynamic rather than static. The system automatically adjusts the display of operation objects based on user interaction: when the user touches the preview area, operation objects are hidden to maximize preview visibility; when the user releases the touch, operation objects reappear. This dynamic adjustment resolves the contradiction by allowing both full preview area access and operation object availability at different times.
Solution Approach 2:
The display of operation objects follows a periodic pattern triggered by user touch events. Operation objects are periodically hidden when touch is detected and periodically shown when touch is released. This periodic display adjustment ensures that during preview inspection, operation objects do not obstruct the view, while still remaining accessible when needed.
2Ease of operation
If operation objects are displayed on the preview area, then users can access functions and controls, but user visibility of the image data is degraded
Solution Approach 1:
The system dynamically controls the visibility of operation objects based on real-time user interaction state. When the user touches the preview area indicating active inspection, operation objects are automatically hidden to prevent obstruction of image data. This dynamic response ensures that information visibility is optimized according to the user's current task focus.
Solution Approach 2:
The system provides visual feedback by detecting user touch on the preview area and responding by hiding operation objects. This feedback mechanism ensures that when users are actively examining image data, distracting or obstructive operation objects are automatically removed from the display, thereby preserving the完整性 of image information visibility.
3Area of stationary object
If the screen size is small, then the device is compact and portable, but displaying operation objects alongside preview image degrades visibility
Solution Approach 1:
On small screens where space is limited, the system uses dynamic display adjustment to optimize visibility. When users need to examine the preview image closely, operation objects are automatically hidden to maximize the effective display area for image data. This dynamic behavior allows small screens to provide both compact form factor and adequate visibility by temporally separating the display of operation objects from preview inspection.
Solution Approach 2:
The system applies different display qualities to different regions and times: during preview inspection, the preview area receives full attention with operation objects hidden; during non-inspection periods, operation objects are displayed. This local quality adjustment ensures that limited screen real estate is optimally allocated based on current user needs, resolving the visibility constraint of small screens.
Data Source
AI summary
An image forming apparatus is an image forming apparatus including an operation unit that includes a touch panel. The image forming apparatus further includes a display control unit configured to cause the touch panel to display an image and a detection unit configured to detect a touch operation performed by a user on the touch panel. In response to the detection unit detecting the touch operation on the touch panel that is displaying an object on the image, the display control unit performs control to hide the object from display.