Portable Device Screen Control via Continuous Touch Text Recognition
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Solution Overview
Problem
Current portable devices lack an efficient method to dynamically change screens based on user input through continuous touch movements within text areas, such as speech bubbles, limiting interactive functionality in applications like chatting.
Innovation Solution
A portable device and method that detect continuous touch movements within text areas on the screen, recognize the selected text, and change the application screen accordingly, utilizing a processor and communication unit to transmit control commands for text recognition and screen changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional touch input methods (single tap, click) are used, then the operation is simple and easy to understand, but the interactive functionality and screen switching capability are limited
Solution Approach 1:
The patent applies dynamics by transforming static touch points into dynamic continuous movement gestures. The system detects and responds to continuous touch movements (swipes, drags, flicks) rather than single static taps, enabling dynamic screen switching and text selection based on the direction and duration of the movement. This resolves the contradiction by adding versatility through movement-based interaction while maintaining ease of use through intuitive gesture recognition.
Solution Approach 2:
The patent introduces another dimension to touch interaction by adding movement trajectory and directionality to the traditional point-based touch model. Instead of interacting with text or screens through single-point contact, users can perform continuous movements (swiping left/right/up/down, flicking) that add spatial dimensionality. This enables new interaction modes like selecting text by dragging, switching screens by flicking, or navigating menus by swiping, thereby enhancing versatility without significantly complicating the operation.
2Adaptability or versatility
If text recognition and continuous movement detection are added, then the interactive functionality is enhanced, but the device complexity increases
Solution Approach 1:
The patent implements multi-functionality by using a unified continuous movement detection mechanism to achieve multiple interaction goals: text selection, screen switching, and gesture-based commands. The same touch movement detection system serves various purposes depending on context (e.g., horizontal swipe selects text, vertical swipe changes screens, flick activates notifications). This approach enhances interactive functionality while avoiding the need for separate processing systems for each function, thereby managing device complexity effectively.
Solution Approach 2:
The system employs self-service by automatically recognizing and executing actions based on the detected touch movement patterns without requiring additional manual input. The processor automatically identifies the type of gesture (swipe, flick, drag), determines the intended action (text selection, screen change, notification), and executes it autonomously. This reduces the need for complex user input sequences and manual configuration, enhancing functionality while keeping the processing logic streamlined and manageable.
Data Source
AI summary
A portable device and a screen control method of the portable device are provided. More specifically, disclosed are: a portable device of which the screen is changed according to a text recognition result of a text selected in response to the continuous movement of a touch received in a text display area; and a screen control method of the portable device. Some of the disclosed embodiments provide: a portable device of which the screen is changed according to control information corresponding to a text recognition result of a text selected by the continuous movement of a touch received in a text within a text display area; and a screen control method for the portable device.


