Touch Panel Figure Drawing Apparatus for Intuitive Shape Input
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Solution Overview
Problem
Conventional figure drawing systems require users to perform complex operations to input and deform handwritten figures to create desired shapes, such as regular figures, which is cumbersome and involves separate operations for figures and characters.
Innovation Solution
A touch panel-based figure drawing apparatus that detects single and multiple touch positions, determines figure types based on movement patterns, and displays corresponding figures or characters directly, eliminating the need for deformation modes and simplifying the input process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a user inputs a handwritten figure and deforms it to create regular figures, then the desired regular figures can be displayed, but the operation becomes complex and time-consuming
Solution Approach 1:
The system pre-defines multiple figure types (circle, triangle, square, rectangle, etc.) and their characteristic point configurations. When the user touches specific points, the system automatically selects and displays the corresponding pre-defined figure type, eliminating the need for manual deformation operations.
Solution Approach 2:
The system changes the operational parameters from continuous deformation control to discrete point selection. By detecting the number and position of touched points, the system transitions from a complex continuous operation to a simple discrete selection process, where touching 1 point selects one figure type, 2 points select another, and so on.
2Manufacturing precision
If a user performs two-stage operation to input and deform handwritten figure, then regular figures can be created, but the time required increases
Solution Approach 1:
The system merges the figure selection and figure creation operations into a single step. By combining multiple figure types and their selection mechanisms into one unified interface, the user can select and create any regular figure in a single operation without separate deformation steps.
Solution Approach 2:
The system performs preliminary classification of figure types and their corresponding touch point configurations. This pre-organization allows the user to directly select the desired figure type through simple point selection, eliminating the time-consuming deformation process while maintaining precise figure creation.
3Adaptability or versatility
If separate input methods are used for figures and characters, then both can be displayed, but the operation complexity increases
Solution Approach 1:
The system provides a unified touch-based interface that serves multiple functions: selecting regular figures, inputting handwritten figures, and entering characters. By making the touch panel operations universal across all input types, the system eliminates the need for separate input methods while maintaining versatility in handling different input scenarios.
Data Source
AI summary
When a user touches positions on a touch panel display unit which correspond to a plurality of characteristic points of a user's desired figure, the user moves the touched positions in accordance with a shape of the figure and leaves his or her touches from the touched positions and touches an additional touch position, characteristic conditions of different figures (a circle, parallel lines, an equilateral triangle, a triangle, a square, a rectangle, a quadrangle, a straight line, a concentric circle, an ellipse, etc.) are determined in accordance with the touched positions, a locus of the movement of the touched positions and the additional touch position and a type of the figure and a drawing-position thereof are determined.