Touch Input Surface Controller for Stable Thumb Positioning
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Solution Overview
Problem
Traditional game controllers, such as those with joysticks, often require users to keep their thumbs in motion to provide input, leading to instability and difficulty in maintaining precise control, especially in three-dimensional gaming environments.
Innovation Solution
A multi-positional controller with a touch input surface, featuring sensors and illumination elements, allows users to maintain a stable thumb position while providing input through a flat surface, enabling intuitive control in both two-dimensional and three-dimensional game environments by detecting finger movement and pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional joysticks are used, then directional control is provided, but the user's thumb must move continuously leading to instability and difficulty in maintaining precise control
Solution Approach 1:
The patent replaces the mechanical joystick system with a touch-sensitive surface that uses electrical or capacitive sensing to detect finger position and movement. This substitution eliminates the need for mechanical movement of the thumb while maintaining directional control capability, thereby improving both control precision and thumb position stability.
Solution Approach 2:
The patent introduces a touch-sensitive surface as an intermediary between the user's thumb and the control system. This intermediary layer allows the user to maintain stable thumb contact with the surface while the sensors detect subtle movements and pressure changes, translating them into directional control inputs without requiring the thumb to physically move across space as with traditional joysticks.
2Measurement precision
If a touch input surface with sensors is implemented, then stable thumb position and precise input are achieved, but device complexity increases
Solution Approach 1:
The touch-sensitive surface serves multiple functions simultaneously: it detects finger position, measures pressure magnitude, determines directional movement, and provides tactile feedback to the user. By consolidating these multiple sensing and feedback functions into a single integrated surface, the patent reduces overall device complexity compared to implementing separate mechanical components for each function.
Solution Approach 2:
The patent combines the position detection, pressure sensing, and directional control functions into a single touch-sensitive surface rather than using separate mechanical components. This merging of functions into one integrated element simplifies the overall controller structure while maintaining the ability to provide stable thumb engagement and accurate input recognition.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The controller enhances user interaction by providing precise directional control and visual feedback, improving the gaming experience by allowing stable thumb engagement and accurate input recognition, thus enhancing interactivity and control in complex game scenarios.
Implementation Method 1
The pressing of the user's finger on the input surface causes friction that is recognized as the user's engagement
Data Source
AI summary
A controller for interfacing with an interactive application includes an interface region disposed on a surface of a body of the controller. The interface region includes a plurality of interface elements for providing input to the interactive application. One of the interface elements is an input surface that is defined by an indentation and is configured to receive touch input. Plurality of sensors disposed under the input surface detects movement of a finger of a user. Processing circuitry is used to analyze the movement of the finger of the user over the input surface and transmit signals that are used by the interactive application to drive interaction in the interactive application.