Mobile Device Alarm Control via Motion Detection
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Solution Overview
Problem
Current mobile electronic devices lack an effective mechanism to automatically disable alarm sounds when in motion, potentially causing disturbance to others and unnecessary noise during use on public transportation or while moving.
Innovation Solution
Incorporating a motion detector, such as an acceleration sensor, to determine the device's state and disable alarm sounds when in motion, allowing for seamless transition between alert states without user intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If alarm sounding is enabled continuously, then the alarm function is reliable and audible, but it causes disturbance to others and unnecessary noise during movement
Solution Approach 1:
The alarm sounding function is made dynamic by automatically adjusting its state based on the device's motion status. The controller enables alarm sounding when the device is stationary and disables it when the device is moving, allowing the system to adapt its behavior to different operational conditions and eliminate unnecessary noise disturbance.
Solution Approach 2:
The system implements feedback by continuously monitoring the device's motion state through motion detection and using this information to control the alarm sounding. The controller receives feedback about whether the device is moving or stationary and automatically adjusts the alarm state accordingly, ensuring reliable alarm function when needed while preventing disturbance when not needed.
2Object-affected harmful factors
If alarm sounding is automatically disabled during movement, then noise disturbance is reduced, but the system complexity increases due to motion detection requirements
Solution Approach 1:
The motion detection capability is integrated into the existing device functionality, allowing the same sensor system to serve multiple purposes including both motion detection for alarm control and other device functions. This multi-functionality approach reduces the need for additional dedicated components and minimizes the increase in system complexity.
3Object-affected harmful factors
If motion detection is added to control alarm sounding, then unnecessary noise is reduced, but the device complexity and cost increase
Solution Approach 1:
The motion detection function is integrated with existing device capabilities, allowing the sensor system to serve multiple functions including alarm control and other device operations. This approach eliminates the need for completely separate dedicated motion detection hardware, thereby reducing the overall increase in device complexity and cost.
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 solution ensures that alarm sounds are automatically disabled during movement, reducing user interaction and minimizing disturbance to others, enhancing user experience and social etiquette.
Implementation Method 1
Incorporating a motion detector, such as an acceleration sensor, to determine the device's state
Data Source
AI summary
A mobile electronic device according to one embodiment includes a sounding module that performs alarm sounding and a controller that determines whether the mobile electronic device is in a moving state. When it is determined that the mobile electronic device is in the moving state, the controller disables the alarm sounding by the sounding module.