Touch Screen Character Input Using Overlapping Recognition Zones
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional character input methods on mobile terminals, such as physical keypad buttons and virtual keypads, are inconvenient for fast text input due to space limitations and require complex navigation, while handwriting recognition methods necessitate additional setting tasks and corrections.
Innovation Solution
A touch screen-based character input method that partitions the screen into specific areas for character input and recognition, allowing users to directly handwrite characters without complex processes, using overlapping input and output areas with pre-defined character recognizers for improved accuracy and convenience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If physical keypad buttons or virtual keypads are used for character input, then character input functionality is provided, but input speed is slow and navigation is complex due to space limitations
Solution Approach 1:
The patent replaces mechanical keypad input and virtual keypad navigation with handwriting recognition technology. Users write characters directly on the touch screen, and the system automatically recognizes and inputs the handwritten characters, eliminating the need for complex keypad navigation and significantly improving input speed.
2Productivity
If handwriting recognition is used for character input, then input speed improves, but additional setting tasks and corrections are required
Solution Approach 1:
The patent pre-divides the touch screen into multiple character input areas, each configured for specific character types (e.g., Korean characters, English letters, numbers). This preliminary configuration eliminates the need for users to perform setting tasks during input, as the system is already prepared to recognize different character types in their respective areas.
Solution Approach 2:
The system automatically recognizes handwritten characters and inputs them without requiring user intervention for corrections. The handwriting recognition system processes the input autonomously, reducing the need for manual correction tasks.
3Measurement precision
If the touch screen is divided into multiple character input areas, then character recognition accuracy improves, but screen space utilization decreases
Solution Approach 1:
The patent overlays multiple character input areas on different layers of the touch screen, allowing multiple recognition zones to coexist in the same physical space. This dimensional approach enables the screen to provide both high recognition accuracy through area division and efficient space utilization through layered arrangement.
Data Source
AI summary
A character input method using a touch screen, in which one or more areas requiring user input is defined in the touch screen, pre-recognized information is defined for each of the defined areas, character information is received by a user in one or more user desired areas among the defined areas, the character information is recognized using a character recognizer, and the recognized character information is updated in the user desired areas.