Cursor Visibility Adjustment in Varying Ambient Light
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Solution Overview
Problem
Electronic displays become difficult to read in varying ambient light conditions, and users face challenges in locating the cursor when moving between different light levels or using multiple applications, leading to reduced usability.
Innovation Solution
A method that adjusts the cursor based on ambient light readings and user input patterns, including increasing cursor size, changing brightness, causing the cursor to blink, changing color, outlining, moving the cursor to the center, or adjusting color balance, to help users locate the cursor more easily.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the cursor maintains a standard size and appearance, then the display remains clean and unobtrusive, but the cursor becomes difficult to locate in varying ambient light conditions
Solution Approach 1:
The system dynamically changes cursor parameters (size, brightness, color, contrast) based on ambient light conditions and user behavior patterns. When the system detects that a cursor adjustment condition is met—such as significant ambient light difference between display regions or specific user input patterns—it modifies the cursor's visual properties to improve discoverability without requiring permanent complex mechanisms.
Solution Approach 2:
The cursor transitions from a static element to a dynamic one that can change its properties temporarily. The cursor adjustment is executed only when needed and can be reversed or modified based on ongoing conditions, allowing the system to maintain simplicity while adapting to varying requirements for cursor visibility.
2Illumination intensity
If ambient light sensors are added to detect light differences, then cursor visibility can be improved, but device complexity increases
Solution Approach 1:
The ambient light sensors serve multiple functions: they detect ambient light conditions for cursor visibility adjustments and can also be used for display brightness adjustment and other system-wide lighting adaptations. This multi-functionality reduces the need for dedicated sensors solely for cursor detection, thereby limiting the increase in device complexity.
3Object-affected harmful factors
If the cursor is made larger or brighter, then cursor discoverability improves, but the cursor may become obtrusive or difficult to use precisely
Solution Approach 1:
The cursor properties are dynamically adjusted based on the specific conditions detected. When ambient light differences are significant or when the system detects user difficulty in locating the cursor, the cursor is temporarily enhanced in size, brightness, or contrast. When conditions normalize, the cursor returns to its standard properties, maintaining precision for normal operations.
Solution Approach 2:
The cursor adjustment can be applied selectively to specific display regions where visibility issues are detected, rather than uniformly across the entire display. This allows the cursor to be enhanced only where and when needed, preserving precision in other areas and reducing overall obtrusiveness.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Improves cursor discoverability and usability by addressing issues related to ambient light changes and user interaction patterns, reducing user frustration and improving overall interaction efficiency.
Implementation Method 1
ambient light readings may be received from ambient light sensors on a display near display regions
Data Source
AI summary
A method of assisting discovering a cursor on an electronic display is disclosed. In general, if a cursor moves from one display region to another and there is a difference in ambient light, a cursor adjustment may need to be executed. In another embodiment, the method may look to see if a user is moving the cursor in a fashion to locate the cursor in which case a cursor adjustment should be executed. If three cursor inputs are in successively opposite directions or have opposite acceleration and are received within a brief period of time, the cursor adjustment may be executed.