Accelerometer Handheld Controller for Intuitive Motion Input
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Solution Overview
Problem
Conventional video game controllers using cross-switches and joysticks limit intuitive user interaction, as they do not effectively utilize natural movements or orientations to generate inputs for enhanced gaming experiences.
Innovation Solution
A handheld control device equipped with an accelerometer arrangement that processes movements and orientations to generate inputs for video game systems, combining accelerometer outputs across axes to influence game character or object movements, such as acceleration and speed, by subtracting gravity contributions and summing modified magnitudes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional controllers use cross-switches and joysticks, then control precision is maintained, but user interface intuitiveness deteriorates
Solution Approach 1:
The patent replaces traditional mechanical control elements (cross-switches, joysticks, buttons) with an accelerometer-based motion detection system. The accelerometer arrangement detects controller movements and orientations in three-dimensional space, converting physical motion into control signals that directly correspond to in-game actions, thereby achieving more intuitive user interaction.
Solution Approach 2:
The patent changes the control parameter from discrete button presses and stick positions to continuous three-axis acceleration measurements. By measuring acceleration along X, Y, and Z axes and processing these values to determine controller orientation and movement dynamics, the system enables a broader range of intuitive control possibilities.
2Adaptability or versatility
If accelerometer outputs are used to control object acceleration, then gaming experience is enhanced, but control complexity increases
Solution Approach 1:
The patent performs preliminary processing of accelerometer data by subtracting gravity contributions from the raw acceleration measurements. This pre-processing step isolates the dynamic movement components from the static gravitational field, simplifying subsequent control calculations and making the mapping between controller motion and in-game object acceleration more direct and predictable.
Solution Approach 2:
The patent creates a universal control mechanism where the same accelerometer-based system can control various aspects of game objects including acceleration, speed, orientation, and position. The processed acceleration values serve as influencing forces that can be applied to different game contexts, providing versatile gaming experiences across multiple game types.
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
This approach provides a more intuitive user interface, enabling gaming experiences that mimic real-world movements, such as tilting for altitude control or complex motions like a 'figure eight' to maximize acceleration, enhancing gameplay dynamics.
Implementation Method 1
an accelerometer arrangement that generates inputs to a video game console or other computer system based on certain movements and/or orientations of the controller
Data Source
AI summary
An example system and method of providing an input to a processor-controlled system uses a handheld control device comprising an accelerometer. The example system and method involve determining magnitudes of outputs of the accelerometer for one or more axes based on movement of the handheld control device and controlling the processor-controlled system based at least in part on a combination of the determined magnitudes.