Touch Panel Handwriting Substitution for Display Information
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Solution Overview
Problem
Existing display apparatuses with touch panels for recognizing handwritten characters require complex operations to substitute and call desired display information, leading to poor usability due to increased functionality and the need for multiple key operations.
Innovation Solution
A display apparatus with a position detection function, memory, and processor that recognizes handwritten input, correlates it with displayed information, and allows for easy substitution and calling of desired information by storing and outputting corresponding data, simplifying the process through a touch-panel interface.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a substitution and calling function is added to the display apparatus, then the functionality is improved, but the number of key operations increases making the device harder to operate
Solution Approach 1:
The system automatically detects handwritten input on the display screen, recognizes the character, and retrieves associated information without requiring users to navigate through multiple menu options or key operations. The apparatus serves itself by autonomously completing the substitution and calling functions through gesture-based input.
Solution Approach 2:
The patent replaces the traditional mechanical key-based input system with a gesture-based handwriting recognition system. Users write characters directly on the display screen, and the system converts these gestures into computational actions, eliminating the need for physical keyboard operations.
2Adaptability or versatility
If a character converting function with word registration is added, then the adaptability is improved, but the number of operations required to register words increases making operation more troublesome
Solution Approach 1:
The system automatically performs word registration when users write a character for the first time. The apparatus detects the handwritten character, searches for associated information, and stores the character-information pairing in memory without requiring users to explicitly initiate a registration process or navigate through multiple steps.
Solution Approach 2:
The system performs the registration action preliminarily and automatically during the first handwriting input. By pre-establishing the character-information association during initial use, the system eliminates the need for separate registration operations in subsequent uses.
3Adaptability or versatility
If multiple key operations are required to execute functions, then the device can perform more functions, but the complexity of operation increases
Solution Approach 1:
The patent merges multiple separate operations (handwriting input, character recognition, information search, and display) into a single integrated gesture-based workflow. Users perform one continuous action of writing a character on the screen, and the system combines all subsequent processing steps automatically, reducing operational complexity.
Data Source
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AI summary
When a handwritten character "f" is input to be superposed on information such as a desired character string, numerical expression, or the like, e.g., "X2+5X+4" displayed on the display screen of the color display unit (16) with a touch panel, the displayed information "X2+5X+4" is stored in correlation with the recognized handwritten character "f". Thereafter, when the same handwritten character "f" is input to an area of the display screen where information is not input, the information "X2+5X+4" correlated with the character "f" is called and displayed. It is possible to very easily perform a task of substituting information such as a string, numerical expression, or the like for a character, and calling and displaying the information substituted for the character.