Pointer Speed Adjustment for UI Density
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Solution Overview
Problem
Users face difficulties in efficiently navigating a pointer on a display apparatus screen due to inconsistent pointer speed, which can lead to overlooking UI objects in crowded areas or struggling to move the pointer over long distances in sparse areas.
Innovation Solution
A display apparatus and control method that automatically adjust the pointer's moving speed based on the density of UI objects, slowing down in densely populated areas and speeding up in less dense areas, using a controller to manage the pointer adjuster and input device commands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pointer moves at a fixed speed, then the pointer can be moved consistently across the screen, but the user may overlook UI objects in crowded areas
Solution Approach 1:
The patent implements dynamic pointer speed adjustment by detecting UI object density in different screen regions and automatically modifying pointer movement speed accordingly. When the pointer enters a crowded area with high UI object density, the system reduces pointer speed to allow users to accurately select specific objects. Conversely, in sparse areas, the pointer moves at normal speed. This dynamic adaptation resolves the contradiction between consistent movement and accurate selection in varying display environments.
2Measurement precision
If the pointer is set to move slower, then the user can accurately select UI objects in crowded areas, but the user may find it difficult to move the pointer to long distances
Solution Approach 1:
The patent applies local quality by implementing different pointer movement characteristics in different spatial regions of the display screen. Specifically, the system divides the screen into regions based on UI object density and assigns different pointer speeds to each region. In crowded regions with high UI object density, the pointer moves slowly to enable precise selection. In sparse regions with low UI object density, the pointer moves at higher speed to reduce navigation time. This localized adaptation of pointer behavior simultaneously achieves both precise selection in crowded areas and efficient long-distance navigation.
3Device complexity
If the pointer moves at a fixed speed, then the system operation is simple, but the user experience varies in different screen areas
Solution Approach 1:
The patent implements self-service by enabling the pointer system to automatically detect and adapt to UI object density without requiring manual user configuration. The system continuously monitors the display screen, identifies regions with varying UI object densities, and autonomously adjusts pointer movement speed accordingly. This self-adjusting mechanism eliminates the need for users to manually configure different pointer speeds for different screen areas, maintaining system simplicity while achieving high adaptability to varying display environments.
Data Source
AI summary
A graphical user interface, a display apparatus and a control method thereof are provided. The display apparatus includes: a display unit which displays thereon an image comprising a plurality of user interface (UI) objects and a pointer; a pointer adjuster which generates the pointer and moves the pointer based on a user command for moving the pointer received from an input device; and a controller which controls the pointer adjuster to adjust a moving speed of the pointer according to a density of the UI objects displayed on the display unit.


