Pointer Visibility and Movement on Large Displays
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Solution Overview
Problem
Large displays pose challenges in locating the pointer due to its small size, and moving the pointer across multiple monitors is time-consuming and physically taxing, especially in cooperative scenarios where multiple users share a single display.
Innovation Solution
Implementing a 'snap move' mode that allows the pointer to jump to the center of adjacent monitors, providing a 'pointer location memory' feature for multiple pointing devices, and rendering an arbitrary image that trails the cursor to facilitate easy location, which can be visible at all times or upon user request.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the pointer size is kept small to maintain display clarity, then the display resolution is improved, but the pointer becomes difficult to locate on large displays
Solution Approach 1:
The patent introduces an intermediary visual element (circle or image) that trails the pointer and is larger than the pointer itself. This intermediary object serves as a mediator between the small pointer and the user's ability to detect it, allowing the pointer to remain small while the trailing visual aid makes it easier to locate on large displays.
2Manufacturing precision
If the pointer moves smoothly across multiple monitors, then the movement precision is improved, but the time required to cross large distances increases
Solution Approach 1:
The snap move mode performs preliminary action by automatically moving the pointer to the center of adjacent monitors before the user completes the full manual movement. This preliminary automated movement reduces the distance the user must physically move the mouse, thereby reducing time while maintaining precise positioning capability.
3Adaptability or versatility
If multiple pointing devices are allowed to control the pointer, then the adaptability for cooperative scenarios is improved, but the complexity of tracking pointer location increases
Solution Approach 1:
The patent applies copying by creating a visual copy (trailing circle or image) of the pointer that follows its movement. This copy provides continuous visual feedback of the pointer's location, helping multiple users track where the pointer is on large displays regardless of which pointing device is controlling it.
Data Source
AI summary
Various technologies are provided to facilitate the use of a pointer (e.g., a cursor) with a large display (including displays that comprise multiple monitors). For example, solutions are presented for quickly moving the pointer across multiple monitors and for using multiple pointing devices. An interface is further provided with the ability to render an arbitrary image that trails the pointer to make the pointer easier to find on the large display. This image can visible be visible at all times, visible when requested by the user, or visible in response to a minimum amount of movement during a defined time period.