Adaptive Touch Input Mode Switching for Large Display Devices
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Solution Overview
Problem
Users face difficulties in making precise touch inputs on larger electronic device screens while grasping the device with both hands, as the distance to touch positions increases, and current touch screens lack interfaces beyond direct touch, making it cumbersome to navigate and perform functions.
Innovation Solution
An electronic device with a display, sensor, and processor that activates different input modes based on context information, allowing touch inputs through various areas of the screen, enabling navigation and execution of functions without physically moving to the desired touch position, thereby enhancing user convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the display size is increased, then the display area is improved, but the distance for finger movement becomes longer making touch input difficult
Solution Approach 1:
The patent introduces an intermediary mechanism (gesture recognition system) between the user and the touch screen. Instead of directly touching distant areas, users perform gestures in proximity to the screen or on nearby surfaces, and the system translates these gestures into touch inputs at the desired locations on the display.
Solution Approach 2:
The patent replaces the mechanical requirement of physically moving fingers across the entire display area with an electronic/gestural system. The gesture recognition system captures motion patterns and converts them into corresponding touch coordinates, eliminating the need for direct mechanical contact across the full display range.
2Quantity of substance
If the device weight is increased, then the device functionality is improved, but the device requires both hands for grasping making touch input difficult
Solution Approach 1:
The patent extracts the touch input function from the physical display surface and relocates it to a separate input domain. Users can perform gestures in air or on adjacent surfaces, and the system maps these to the actual touch targets on the screen, allowing operation without direct hand contact with the display area.
Solution Approach 2:
The gesture recognition system serves as an intermediary that decouples the physical grasping requirement from the touch input requirement. Users grasp the device with both hands for stability while the intermediary system captures gestures from either hand and translates them into precise touch inputs without requiring direct manipulation of the screen.
3Device complexity
If the touch screen only provides direct touch interface, then the interface simplicity is improved, but the navigation capability becomes limited
Solution Approach 1:
The patent makes the touch screen system multi-functional by enabling it to recognize both direct touches and various gesture patterns. The same display surface serves as both the visual output and the input recognition area, allowing diverse interaction modes (tap, swipe, pinch, air gestures) without adding separate physical interfaces.
Solution Approach 2:
The patent introduces dynamic gesture recognition that adapts to different user intentions and contexts. The system dynamically interprets gesture patterns based on motion trajectory, speed, pressure, and temporal patterns, transforming a static touch interface into a dynamic system that can navigate and control diverse functions through varied gesture expressions.
Data Source
AI summary
An electronic device includes a display, a sensor and a processor. The processor is configured to activate the display in a first input mode to acquire a first touch input through the display, and to identify context information related to the electronic device through the display or the sensor. The processor also is configured to change the display to a second input mode to acquire a second touch input through one or more areas of the display when the context information meets a predetermined condition. In addition, the processor is configured to execute a predetermined function related to at least one object displayed on the display based on the second touch input acquired through the one or more areas while the display is in the second input mode.