Mobile Communicator Speed Detection and Function Disabling
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Solution Overview
Problem
The increasing use of mobile communicators while driving poses a significant distraction, leading to increased traffic accidents, and government penalties alone may not be sufficient to change user behavior effectively.
Innovation Solution
A mobile communicator equipped with a speed detection system that disables certain functions, such as text messaging and data input, when the device determines it is moving above a threshold speed, and includes a sleep mode to conserve battery life and automatically enable/disable functions based on usage patterns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If mobile communicator functions (text messaging, emailing) are enabled while driving, then communication functionality is improved, but driver safety deteriorates due to increased distraction and accident likelihood
Solution Approach 1:
The mobile communicator dynamically adjusts its functionality based on detected driving conditions. The disabling circuit continuously monitors speed via the speed detection system and automatically enables or disables communication functions (text messaging, emailing) based on whether the device exceeds the threshold speed, creating a dynamic adaptation to safety-critical contexts
Solution Approach 2:
The system implements feedback through the speed detection system that continuously monitors vehicle speed and provides real-time information to the disabling circuit. When speed exceeds the threshold, the feedback loop triggers automatic disabling of communication functions, and the system can provide feedback to the user about when functions are enabled or disabled
2Reliability
If speed detection system and communication functions are always enabled, then safety monitoring is improved, but battery life deteriorates due to continuous operation
Solution Approach 1:
The sleep mode implementation uses periodic action by alternating between active monitoring and low-power states. The speed detection system and communication functions are disabled during sleep mode and automatically enabled when specific conditions occur (user initiates communication function or device enters motion detection mode), creating periodic cycles of operation that conserve battery life while maintaining safety monitoring capability
Solution Approach 2:
The system performs self-service through automatic state management. The sleep mode is automatically enabled when communication functions are not in use for a predetermined period, and automatically disabled when functions are needed, eliminating the need for manual user intervention to manage power states
3Object-affected harmful factors
If communication functions are automatically disabled at high speed, then driver safety is improved, but user convenience deteriorates due to functional limitations
Solution Approach 1:
The system provides dynamic functionality where communication capabilities automatically adapt to driving conditions. Users experience full functionality when safe (below threshold speed) and automatic restriction when dangerous (above threshold speed), with the system explaining the limitation through user feedback mechanisms
Data Source
AI summary
Disclosed herein is a mobile communicator that includes a speed detection system for determining whether the mobile communicator is moving faster than a threshold speed. The mobile communicator further includes a sleep mode wherein both the speed detection system and a second function of the mobile communicator are disabled. An attempt to use the second function causes the mobile communicator to enable the speed detection system. Further, the mobile communicator includes a disabling circuit configured to disable the second function of the mobile communicator if the speed detection system determines that the mobile communicator is moving faster than the threshold speed.