Handwriting Text Size Adjustment in Portable Terminals
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Solution Overview
Problem
Conventional portable terminals with touch pen input lack the ability to easily adjust text size after converting handwriting to text, requiring users to navigate a separate menu for font size changes.
Innovation Solution
A method for portable terminals that identifies the size difference between input handwriting and a reference size, allowing automatic conversion to text with a corresponding size without needing a separate menu, by displaying reference lines or sizes for user prediction and adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If handwriting is converted into text with a fixed reference size, then text recognition is achieved, but the user cannot easily adjust text size without entering a separate menu
Solution Approach 1:
The patent applies dynamics by making the text size adjustable and responsive to user input. The system dynamically changes the text size based on the handwriting size detected during input, allowing users to adjust text size without navigating menus. The text size is determined by the ratio of handwriting size to reference size, enabling flexible adaptation during the writing process itself.
Solution Approach 2:
The system performs self-service by automatically determining text size based on the handwriting input characteristics. Instead of requiring users to manually adjust text size through menus, the system autonomously analyzes the handwriting size and converts it to the appropriate text size, serving the user's needs without additional user intervention.
2Productivity
If the text size is fixed during handwriting conversion, then the conversion process is simple, but the user must subsequently adjust text size in a menu for different size requirements
Solution Approach 1:
The patent applies preliminary action by determining the text size during the handwriting conversion process itself, rather than after conversion. The system calculates the appropriate text size based on the handwriting size detected during input and applies it immediately, eliminating the need for subsequent menu navigation and time-consuming adjustments.
Solution Approach 2:
The system maintains continuity of useful action by integrating text size adjustment into the handwriting conversion process itself. The text size is continuously adapted based on the handwriting input, ensuring that the conversion process remains efficient and uninterrupted, without requiring users to switch to menu modes for size adjustments.
3Adaptability or versatility
If handwriting size is not considered in conversion, then the conversion process is straightforward, but the user cannot control the output text size
Solution Approach 1:
The patent applies parameter changes by using the handwriting size as a controlling parameter to determine the output text size. The system measures the handwriting size and uses it to calculate the appropriate text size through a predefined ratio relationship, allowing users to control text size by simply changing their handwriting size during input.
Solution Approach 2:
The system replaces the mechanical approach of manual text size adjustment through menus with an automated measurement and calculation system. Instead of requiring users to physically navigate menus to change text size, the system automatically measures handwriting size and computes the corresponding text size, substituting mechanical user actions with automated computational processes.
Data Source
AI summary
A method of inputting keys in a portable terminal is provided. The method includes receiving a handwriting, identifying an input size of the handwriting and a reference size, and as a result of the identification, if a size difference between the input size of the handwriting and the reference size is less than a predetermined difference, converting the handwriting into a text having a text size corresponding to the reference size.