Multi-Axis Disc and Ring Controller for Precise Single-Axis Input
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Solution Overview
Problem
Existing multi-dimensional user interface controllers face limitations such as dust accumulation, clumsiness, and difficulty in controlling multiple axes, especially when precise motion in one axis is required, like an upwards pull motion.
Innovation Solution
A multi-dimensional controller design featuring a disc and outer ring form factor, with the disc being pressure/tilt/touch sensitive and the outer ring providing additional axis control, allowing for simultaneous or independent use while maintaining a comfortable hand position, and incorporating capacitive multi-touch elements for gesture recognition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If trackballs are used for multi-dimensional control, then control functionality is provided, but dust and debris accumulation occurs and the device becomes cumbersome to carry
Solution Approach 1:
The patent replaces the mechanical trackball system with a magnetic field-based sensing system. A magnet is attached to a movable element (such as a joystick or dial), and Hall effect sensors detect the magnet's position and movement without mechanical contact. This eliminates dust accumulation while maintaining multi-dimensional control capabilities.
2Adaptability or versatility
If joysticks are used for multi-dimensional control, then control functionality is provided, but the device may tip even with fastening means
Solution Approach 1:
The patent replaces physical joysticks that can tip or shift with a magnetic sensing system. The magnet attached to the control element interacts with stationary Hall effect sensors, eliminating the need for heavy fastening mechanisms while maintaining control stability and preventing device tipping.
3Adaptability or versatility
If 6-axes controllers are used for comprehensive control, then multi-dimensional control is achieved, but control becomes difficult when motion in just one axis is desired
Solution Approach 1:
The patent segments the control system into independent magnetic sensing elements, each capable of detecting movement along specific axes. Users can activate only the necessary axes for their current task, allowing precise single-axis control while retaining the capability for multi-dimensional control when needed.
Solution Approach 2:
The patent implements a dynamic control system where the activation and sensitivity of different axes can be adjusted in real-time based on user needs. This allows the controller to adapt between single-axis precision mode and multi-dimensional mode, optimizing ease of operation for the current task.
4Adaptability or versatility
If pressure/tilt/touch sensitive disc is used, then multiple input gestures are enabled, but device complexity increases
Solution Approach 1:
The patent employs a universal magnetic sensing platform where a single magnet and Hall effect sensor combination can detect multiple types of input gestures (pressure, tilt, rotation, touch) through different movement patterns. This multi-functional approach enables diverse input recognition without proportionally increasing device complexity.
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
Facilitates accurate control in multiple axes by enabling various input gestures using the disc, outer ring, or their combination, providing precise control and intuitive interaction with applications like video editing, 3D simulations, and music production.
Implementation Method 1
the disc is pressure/tilt/touch sensitive as sensed by a magnetic sensor
Implementation Method 2
an additional capacitive multi-touch element may be provided on the top surface of the disc for sensing of one-finger or multi-finger gestures
Data Source
AI summary
There is disclosed a multi-dimensional user interface controller apparatus for providing a multi-dimensional user input. In an embodiment, the apparatus comprises a disc adapted to be tilted to control at least two-axes, and depressible in a third axis, and an outer ring surrounding the disc, the outer ring adapted to rotate about the disc to control a fourth axis. In use, the disc and the outer ring are controllable to provide at least four-axes of simultaneous control inputs. In an embodiment, the multi-dimensional user interface controller apparatus further comprises a plurality of magnetic sensors to sense the tilt of the disc or a press on the disc. In another embodiment, the disc further comprises a touch-sensitive top surface adapted to sense one or more fingers touching the surface.