Multi-touch Control Device with Segmented Legs for 3D Input
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Solution Overview
Problem
Conventional input devices, such as computer mice, often require multiple devices and complex interactions to control objects in 3D environments, leading to inefficiencies and user fatigue, especially when precise three-dimensional movements are needed.
Innovation Solution
A multi-touch input system featuring a control device with multiple legs and a capacitance input surface, where the legs have electrically conductive contact surfaces that can detect real-time movement characteristics, allowing for direct manipulation of computer-generated objects with intuitive three-dimensional control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional input devices like computer mice are used to control objects in 3D environments, then basic two-dimensional cursor movement is achieved, but precise three-dimensional control requires multiple devices and complex interactions leading to user fatigue
Solution Approach 1:
The control device is segmented into multiple independent legs (at least three), each capable of independent movement and contact detection. This segmentation allows each leg to independently detect position and movement characteristics, enabling precise 3D control through multiple discrete contact points rather than requiring multiple separate input devices
Solution Approach 2:
The invention transitions from two-dimensional mouse control to three-dimensional control by adding vertical dimension capability through leg movement. The legs can move independently in multiple directions and contact the capacitance input surface at different positions, enabling detection of 3D movement characteristics including tilt, rotation, and position changes that were previously requiring multiple devices
2Ease of operation
If conventional input devices are used for 3D control, then basic functionality is maintained, but user fatigue increases due to complex interactions
Solution Approach 1:
The control device utilizes the user's natural hand movements and device manipulation to generate control signals. The capacitance input surface automatically detects the movement characteristics of the legs without requiring additional user actions or complex interaction patterns, making the device self-sufficient in capturing 3D movement data while reducing user fatigue
Solution Approach 2:
The legs are designed to be movable rather than fixed, allowing them to dynamically respond to user manipulation. The legs can independently change position and orientation, enabling the device to capture dynamic 3D movement characteristics during normal use, providing both ease of operation and precise control through natural device manipulation
3Measurement precision
If multiple input devices are used for 3D control, then control precision is improved, but device complexity and operational complexity increase
Solution Approach 1:
The invention merges multiple detection functions into a single integrated control device. The capacitance input surface combines position detection, movement detection, and 3D characteristic analysis in one system, eliminating the need for multiple separate input devices while maintaining high measurement precision through the coordinated movement of multiple legs
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
Enables intuitive and precise three-dimensional control of objects on a display, reducing user fatigue by allowing single-hand operation and enabling real-time movement detection and application to computer-generated objects, such as remote-controlled vehicles.
Implementation Method 1
each of the distal ends having an electrically conductive contact surface... a capacitance input surface... detect locations of each of the distal ends when the control device is positioned of the capacitance input surface
Data Source
AI summary
A multi-touch input system may include a control device having a body, multiple legs connected to the body; and each of the multiple legs having a distal end and each of the distal ends having an electrically conductive contact surface where each of the electrically conductive contact surfaces are independently movable with respect to each other.