Touch Screen Pressure-Based Object Overlap Control
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Solution Overview
Problem
Existing touch screen interfaces do not effectively utilize pressure differences between multiple pressed points to designate operations, limiting user interaction and intuitiveness.
Innovation Solution
A user interface that detects the position and pressure of multiple pressed points on a touch screen and changes the front/rear overlap relationship of displayed objects based on the pressure differences between these points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pressure difference between multiple pressed points is not utilized, then the touch screen interface operates with basic single-point control, but user interaction liberty and intuitiveness are limited
Solution Approach 1:
The patent utilizes pressure as a variable parameter to differentiate between multiple pressed points on the touch screen. By detecting and responding to pressure differences, the system enables diverse operations (such as aligning objects, changing overlap directions) without requiring additional hardware or complex interface elements, thus enhancing adaptability while maintaining interface simplicity
2Productivity
If multiple objects are operated using traditional touch methods, then basic selection and movement are possible, but alignment and overlap direction changes require multiple steps
Solution Approach 1:
The patent combines multiple operations (selection, alignment, and overlap direction control) into a single touch gesture by utilizing pressure differences between multiple pressed points. This merging of functions allows users to perform what would traditionally require multiple sequential steps in a single action, thereby improving productivity and reducing time loss
3Adaptability or versatility
If only single-point touch input is detected, then the interface remains simple to implement, but the ability to perform complex operations on multiple objects simultaneously is limited
Solution Approach 1:
The patent applies local quality by detecting different properties (pressure levels) at different locations (multiple pressed points) on the touch screen. This allows the system to distinguish between various pressed points and assign different roles to each based on its pressure characteristics, enabling complex operations without requiring a more complex detection system
Data Source
AI summary
An information processing apparatus comprising a touch screen which detects a touch input by a user detects the position and pressure of each of a plurality of pressed points corresponding to a plurality of touch inputs existing at the same time on a touch screen. Then, the front/rear overlap relationship of the plurality of objects displayed on the touch screen is changed based on the difference in pressure between the detected plurality of pressed points.