Gyroscopic Wrist Exerciser with Speed-Responsive LED Feedback
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Solution Overview
Problem
Existing gyroscopic wrist exercisers lack a dynamic and visually engaging way to indicate rotational speed, relying on static light emitting components without programmable controllers to provide color changes based on kinetic energy.
Innovation Solution
A gyroscopic wrist exerciser with a transparent plastic housing and a gyroscopic rotor, featuring a microcontroller connected to LED chips that produce varying light outputs proportional to rotational speed, creating a color-changing effect using a permanent magnet and coil to generate voltage, allowing for a rainbow color transition as speed increases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If static light emitting components are used, then the device structure is simple, but the visual engagement and dynamic indication of rotational speed is insufficient
Solution Approach 1:
The patent applies dynamics by transitioning from static light emitting components to dynamic LED chips controlled by a microcontroller. The LED intensity and color change dynamically in response to rotational speed, providing visual feedback that adapts to user performance. This resolves the contradiction by making the illumination system responsive to operational parameters rather than fixed.
Solution Approach 2:
The patent utilizes color changes by employing multiple LED chips that can vary in intensity and color output. As rotational speed increases, the microcontroller adjusts LED outputs to produce color transitions, creating an engaging visual indicator. This principle directly addresses the need for dynamic visual feedback while managing complexity through integrated control.
2Adaptability or versatility
If non-programmable control circuit is used, then the device complexity is reduced, but the ability to provide varied LED outputs based on rotational speed is limited
Solution Approach 1:
The patent implements feedback by using the coil to generate voltage proportional to rotational speed, which then feeds back to the microcontroller to control LED outputs. This closed-loop system allows the LED characteristics to automatically adapt to user performance without complex manual control. The feedback mechanism resolves the contradiction by enabling intelligent adaptation through a manageable control architecture.
Solution Approach 2:
The patent replaces mechanical or fixed control systems with an electronic programmable microcontroller. This substitution enables sophisticated LED control based on rotational speed data while maintaining reasonable device complexity through integrated electronics. The microcontroller processes coil voltage signals and translates them into appropriate LED outputs, resolving the adaptability-complexity contradiction.
3Ease of manufacture
If LED chips are mounted on printed circuit board mounted on rotor, then the integration is improved, but the manufacturing precision and assembly complexity increase
Solution Approach 1:
The patent applies merging by integrating the LED chips, microcontroller, and coil into a unified assembly that rotates with the rotor. This consolidation simplifies the overall structure and improves integration by reducing the number of separate components that need to be precisely assembled. The merged unit is mounted as a single entity on the rotor, easing manufacturing while maintaining functionality.
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 solution provides a visually engaging and dynamic indication of rotational speed through color changes, enhancing user feedback and workout experience by integrating a programmable microcontroller within the LED bulb to adjust LED intensities and colors in response to rotational speed.
Implementation Method 1
A permanent magnet cooperating with a coil produces an electric current proportional to the speed of the rotor
Implementation Method 2
A first LED chip, a second LED chip, and a third LED chip are connected to the microcontroller at the three outputs
Data Source
AI summary
A gyroscopic wrist exerciser has a transparent plastic housing and a gyroscopic rotor mounted on an axle rotating on a primary axis of rotation about the axle. Ends of the axle are extended into a circumferential housing groove disposed on an inside surface of the transparent plastic housing to rotate in a secondary axis of rotation about the circumferential groove to provide precession of the gyroscopic rotor. A permanent magnet cooperating with a coil produces an electric current proportional to the speed of the rotor. A microcontroller connected to and powered by the coil has three separate outputs, namely a first output, a second output and a third output which receive degrees of voltage depending upon an input voltage from the coil. A first LED chip, a second LED chip, and a third LED chip are connected to the microcontroller at the three outputs.