In-Car Child Presence Alert System with Multi-Target Notification
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Solution Overview
Problem
Existing in-car status notification systems fail to effectively address situations where children are left alone in parked vehicles, especially when doors are not locked and owner response times are delayed.
Innovation Solution
An in-car status notification system that uses sensors and a camera to detect the presence of a child alone in a vehicle, sends positional information and alert messages to pre-set mobile phones, ensuring swift notification and response even if the owner is unreachable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If notification is sent to only one mobile phone, then the system is simple, but the response reliability is low when the owner is unreachable
Solution Approach 1:
The notification function is segmented into multiple independent notification paths (first mobile phone, second mobile phone, service center). This segmentation ensures that if one notification path fails, others can still deliver the alert, thereby improving overall notification reliability without requiring complex inter-dependent systems.
Solution Approach 2:
The system changes the parameter of notification redundancy by introducing multiple notification targets. Instead of a single notification channel, the system parallelizes notifications to multiple devices, transforming a single-point-failure system into a multi-point-reliant system that maintains simplicity while enhancing reliability.
2Speed
If the system waits for owner confirmation before action, then false alarms are reduced, but response time is delayed
Solution Approach 1:
The system performs preliminary verification by checking multiple conditions (child presence detection, door lock status, vehicle motion state) before triggering the notification. This preliminary action filters out false alarms while maintaining rapid response, as the verification process occurs in the background without delaying the actual notification when conditions are met.
Solution Approach 2:
The system uses feedback from multiple sensors (presence detection, door status, motion detection) to continuously monitor the situation and make real-time decisions. This feedback mechanism ensures accurate detection while enabling swift response, as the system can immediately notify when the feedback pattern indicates a genuine emergency.
3Productivity
If positional information is transmitted with notifications, then rescue efficiency is improved, but information transmission complexity increases
Solution Approach 1:
The notification system is designed to universally transmit both alert information and positional information through the same communication channel. This multi-functionality approach allows the system to improve rescue efficiency by providing location data without requiring separate complex transmission systems for different types of information.
Data Source
AI summary
An in-car status notification system that detects that a situation requiring attention has arisen in which a child is alone inside an automobile by using at least one of a plurality of sensors or a camera; detects positional information of the automobile; and in cases in which the situation requiring attention has been detected, sends notification of the automobile positional information and situation requiring attention detected information indicating a child is alone in the automobile to at least a pre-set first mobile phone and a pre-set second mobile phone.