Electric Toothbrush Sound Control Using Motion and Pressure Feedback
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Solution Overview
Problem
Electric toothbrushes with music playback functions have fixed sound tones, intensities, and rhythms, leading to poor interaction with users due to a lack of dynamic sound adjustments based on oral care operations.
Innovation Solution
An oral care device that acquires oral care motion and pressure change information to dynamically control sound tones, intensities, and rhythms, enhancing user interaction and motivation through adaptive sound output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the electric toothbrush uses a fixed music playback system, then the device structure is simple, but the user interaction is poor due to lack of dynamic sound adjustment
Solution Approach 1:
The patent applies dynamics by making the sound output parameters (tone, sound intensity, rhythm) variable and adjustable based on oral care operations. The system transitions from a fixed music playback system to a dynamic one where sound characteristics change in real-time according to user actions such as brushing pressure and motion, thereby improving user interaction without significantly complicating the device structure
Solution Approach 2:
The patent implements feedback by detecting oral care operation information (such as brushing pressure and motion) and using this information to adjust the sound output parameters. The system creates a closed-loop control where user actions are detected and immediately reflected in corresponding sound changes, enhancing adaptability and user engagement while maintaining relatively simple device architecture
2Device complexity
If the electric toothbrush generates sound through motor vibrations, then the device structure is simple, but the sound parameters (tone, intensity, rhythm) are fixed resulting in poor interaction
Solution Approach 1:
The patent applies parameter changes by modifying the sound output parameters (tone, sound intensity, rhythm) based on detected oral care operations. The system changes these acoustic parameters in real-time according to user actions, transforming the fixed sound output into a variable one that adapts to different brushing conditions, thereby improving adaptability without requiring complex additional sound generation mechanisms
3Adaptability or versatility
If the electric toothbrush adds music playback components, then the sound output capability is enhanced, but the device complexity increases
Solution Approach 1:
The patent applies universality by making the motor serve dual functions: both generating the driving vibration for brush head operation and generating the sound output. This multi-functional approach allows the system to provide enhanced sound output capability without adding separate dedicated sound generation components, thereby enhancing adaptability while minimizing the increase in device complexity
Solution Approach 2:
The patent merges the sound generation function with the motor driving function. Instead of using separate components for motor-driven brushing and sound playback, the system combines these functions so that the motor's vibrations serve both purposes, reducing the number of components needed and simplifying the overall device structure while maintaining enhanced sound output capability
Data Source
AI summary
An oral care device, a control method thereof, a control device thereof, and a storage medium are provided. The control method includes steps of acquiring at least one of oral care motion change information and oral care pressure change information of the oral care device; and controlling, according to at least one of the oral care motion change information and the oral care pressure change information, the oral care device to output at least one of a tone, a sound intensity, and a rhythm of a predetermined sound to generate a corresponding change.