Gesture-Character Mapping on Touch Screens
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Solution Overview
Problem
Current technologies fail to effectively associate gestures on touch screens with characters, such as numbers, letters, and symbols, in a way that allows for unique representation and recognition across different regions on a device surface.
Innovation Solution
A method that converts gestures on a touch screen into Cartesian coordinates, allowing for the assignment of unique characters based on gesture direction, enabling the same gesture to represent different characters depending on the region it is made in, and allowing for configurations to define how inputs are received and mapped to characters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If gestures are mapped to characters using fixed key positions, then input method is simple, but gestures in different regions cannot represent different characters
Solution Approach 1:
The patent applies local quality by making the gesture-character mapping location-dependent. Each region on the touch screen surface is assigned specific characters, so the same gesture type (e.g., swipe right) maps to different characters based on which region it occurs in. This allows the system to adapt to different input needs across different areas of the screen while maintaining the same simple gesture vocabulary throughout.
Solution Approach 2:
The touch screen surface is segmented into multiple regions, each with its own character mapping. This segmentation allows independent configuration of character sets for different areas, enabling the system to handle diverse input requirements (numbers, letters, symbols) across different regions without requiring different gesture sets for each character.
2Adaptability or versatility
If the surface is divided into regions with different character mappings, then gesture representation becomes versatile, but recognition accuracy decreases
Solution Approach 1:
The system incorporates feedback mechanisms where the recognized gesture and its corresponding character are displayed to the user. This allows users to verify whether the system correctly interpreted their intended gesture, and provides opportunity for correction if misrecognition occurs. The feedback loop helps maintain high effective accuracy even with complex regional mappings.
3Adaptability or versatility
If configurations are added to define gesture reception, then customization improves, but system complexity increases
Solution Approach 1:
The configuration system is designed to be universal, allowing the same touch screen surface to support multiple input modes (different character sets, different region arrangements, different gesture interpretations) through selectable configurations. This multi-functionality enables the system to adapt to different languages, keyboard layouts, and input preferences without requiring hardware changes or multiple specialized systems.
Data Source
AI summary
The present invention provides methods for associating a gesture, in contact with a touch screen, with a character. More specifically, the present invention links a user's movement on a surface of a device to represent a character. A character includes any number, letter, or symbol. For example, an illustrative embodiment of the present invention, a user may swipe a surface on their device such as a cell phone. The present invention recognizes the swipe to represent the number “0,” a swipe in another direction to represent the number “1,” a tap in the middle region to represent the number “2,” etc.