Multi-touch Input Method for On-screen Keyboard Efficiency
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Solution Overview
Problem
Text entry on touch-sensitive devices, such as on-screen keyboards, is inefficient due to small screen sizes and lack of tactile feedback, leading to slow and error-prone input methods like hunting and pecking with a single finger or using thumbs, and existing alternatives like handwriting and voice recognition have limitations.
Innovation Solution
Implementing a system that allows multiple simultaneous touchpoints on a touch-sensitive keyboard to input entire words or concepts by detecting simultaneous touches, slides, or gestures, which are then translated into text characters and words using a text word generator that utilizes predictive technologies and validation dictionaries.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If on-screen keyboards are used on mobile devices, then text input can be performed, but input efficiency is low due to small screen size and lack of tactile feedback
Solution Approach 1:
The system segments the text input process into multiple simultaneous touch operations. Instead of sequential character-by-character input, users can press multiple keys at once to input multiple characters simultaneously, effectively dividing the input task into parallel operations that increase overall throughput and efficiency.
Solution Approach 2:
The patent introduces a temporal dimension to the input process by enabling simultaneous multi-touch operations. This transforms the traditional single-dimensional sequential typing into a multi-dimensional input space where multiple keys can be activated at the same time, dramatically increasing input speed without sacrificing accuracy.
2Productivity
If handwriting recognition is used, then text input can be performed, but input speed is slow due to the time required to form each letter
Solution Approach 1:
The system performs preliminary recognition of multiple potential word meanings from partial touch input, presenting a list of possible interpretations before the user completes the input. This allows the system to pre-process and prepare multiple candidate words simultaneously, reducing the time needed for final word selection and accelerating overall input speed.
Solution Approach 2:
The patent allows users to input only a portion of the complete word or phrase by touching representative keys, and the system completes the rest by presenting probable completions. This partial action approach significantly reduces the time required to form complete words while maintaining high accuracy through predictive algorithms.
3Reliability
If voice recognition is used, then text input can be performed, but reliability is reduced due to accents, noise, and public medium limitations
Solution Approach 1:
The system introduces an intermediary visual keyboard interface between the user and the text input process. Instead of direct voice-to-text conversion that is susceptible to noise and accent variations, the keyboard serves as a visual mediator that confirms key presses and provides tactile feedback, significantly improving recognition reliability while maintaining ease of use.
Data Source
AI summary
Methods and systems for using multiple simultaneous touchpoints of a touch-sensitive keyboard, such as an on-screen keyboard, for more efficient text input are provided. A method for generating text using a touch-sensitive keyboard may include receiving touch input from multiple simultaneous touchpoints. The method may also include determining a text character for each respective simultaneous touchpoint based on the touch input. The method may further include generating a text word based on the text characters determined from the multiple simultaneous touchpoints. A system for generating text using a touch-sensitive keyboard may include a touch input receiver, a slide detector and a text word generator.