Handheld Game Controller Thumbstick Biomechanical Alignment
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Solution Overview
Problem
Conventional game controllers are not ergonomically designed to align with the natural biomechanics of a user's hand, leading to inefficient control movements and potential discomfort during use.
Innovation Solution
A handheld game controller with analogue thumbsticks configured to pivot about two perpendicular axes, biased to return to a center position, allowing natural thumb movements to control the sticks' movement along a single axis, aligning with the user's biomechanics, and optionally adjustable for personalized fit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional controllers are designed with controls mounted on the front and top, then the controller structure is simple and easy to manufacture, but the controller does not align with the natural biomechanics of the user's hand, leading to inefficient control movements
Solution Approach 1:
The controller is designed with asymmetric control layouts that align with the natural asymmetry of human hand biomechanics. The thumbsticks are positioned and oriented to match the anatomical structure of the thumbs, with the first thumbstick aligned with the first thumb's movement capabilities and the second thumbstick aligned with the second thumb's movement capabilities, creating an asymmetric but ergonomically optimized configuration
Solution Approach 2:
The controller incorporates adjustable and reconfigurable control elements that can be dynamically modified to suit different users' hand biomechanics. The thumbsticks can be repositioned and reoriented, and additional controls can be selectively positioned, allowing the controller structure to adapt dynamically to individual user needs rather than being fixed
2Ease of operation
If the analogue thumbstick is configured for two-dimensional input control, then the control functionality is comprehensive, but the user must work against two biasing devices pivoting about two perpendicular axes, increasing the effort required
Solution Approach 1:
Each thumbstick is configured with localized optimization for its specific anatomical position and movement characteristics. The first thumbstick is aligned with the first thumb's biomechanics and biased along one axis, while the second thumbstick is aligned with the second thumb's biomechanics and biased along a perpendicular axis, allowing each control element to be locally optimized for minimal user effort while maintaining overall two-dimensional control functionality
Solution Approach 2:
The two-dimensional control functionality is segmented into two independent one-dimensional control systems. Each thumbstick handles one dimension of control with a single biasing device, rather than requiring both thumbsticks to work against dual-axis biasing mechanisms. This segmentation reduces the complexity of the biasing system while preserving comprehensive control capability
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
Enhances user comfort and control efficiency by aligning control movements with the natural biomechanics of the hand, reducing the effort required to operate the controller and allowing for customizable alignment.
Implementation Method 1
the shaft being biased about the first axis by a first biasing device and about the second axis by a second biasing device so as to return to a center default position
Implementation Method 2
the shaft pivotally mounted about two perpendicular axes
Data Source
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AI summary
A hand held controller for a games console comprising an outer case and a plurality of controls located on a front end and top of the controller, the controller being shaped to be held in both hands of a user such that the user's thumbs are positioned to operate controls located on the top of the controller and the user's index fingers are positioned to operate controls located on the front of the controller. At least one control located on the top of the controller is configured for two-dimensional input control, the at least one control being substantially aligned with the biomechanics of the user's thumb.