Dynamic Notification Method for Child Location Terminal
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Solution Overview
Problem
Existing location positioning systems for children face challenges in accurately conveying messages due to interference in educational settings and cumbersome tone switching, leading to difficulties in introducing such systems in schools.
Innovation Solution
A location positioning system comprising a subject terminal with output methods for sound, light, and motion notifications, a server for determining the child's location, and a judgement unit to decide the appropriate notification method based on the child's situation and facility presence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If sound notification is used to convey messages to the child, then the message can be effectively transmitted, but it causes interference in educational settings such as during class
Solution Approach 1:
The notification method is dynamically changed based on the detected situation. When the child is in a classroom setting, the system switches from sound notification to vibration or light notification. This parameter change in notification mode resolves the contradiction by maintaining message transmission effectiveness while eliminating interference in educational settings.
Solution Approach 2:
The notification system is made dynamic by continuously monitoring the child's location and situation through the server and judgment unit. The notification method adapts in real-time based on whether the child is in a classroom, on the way to school, or in other settings. This dynamic adaptation allows the system to convey messages effectively while avoiding interference during class time.
2Reliability
If the notification system is introduced in schools, then position monitoring can be enhanced, but the cumbersome tone switching requirement makes it difficult to implement
Solution Approach 1:
The system automatically determines the appropriate notification method without requiring manual intervention from the child or parent. The judgment unit autonomously analyzes the situation based on location data and time information, then selects the suitable notification mode (sound, vibration, or light). This self-service capability eliminates the cumbersome manual switching requirement while maintaining reliable position monitoring.
Solution Approach 2:
The notification parameters are automatically adjusted based on situational context. The system changes notification modes according to whether the child is in a classroom, commuting, or in other environments. This automatic parameter adjustment simplifies operation while enhancing monitoring reliability, as the system adapts to different scenarios without user intervention.
3Measurement precision
If GPS function is used for position detection, then the position can be tracked continuously, but the terminal requires frequent charging which is not realistic for children
Solution Approach 1:
Instead of continuously using the high-power GPS function, the system uses partial action by employing low-power Bluetooth communication for position detection. Bluetooth terminals detect positions by connecting to wireless access points, providing sufficient accuracy for school route monitoring while consuming significantly less power. This partial use of detection capability resolves the contradiction between position accuracy and power consumption.
Solution Approach 2:
The system substitutes the GPS mechanical system with a Bluetooth-based detection mechanism. Rather than relying on satellite-based GPS which consumes high power, the terminal uses Bluetooth to communicate with nearby wireless access points for position determination. This substitution maintains adequate position tracking accuracy while dramatically reducing power consumption, making the system practical for children to use throughout the day.
Data Source
AI summary
A location positioning system notifies of a message by a method according to a situation of a subject while grasping a location of the subject to be watched. The system includes a subject terminal carried by the subject, a server, a judgement unit, and a determination unit. The subject terminal transmits identification information for specifying a location of the terminal through a wireless communication and receives a message directed to the subject, and notifies the subject of reception of the message by at least one output method. The server specifies the location of the subject terminal based on the identification information. The judgement unit judges whether the subject is present indoors or outdoors, based on the location of the subject terminal specified by the server and the map information stored in advance. The determination unit determines an output method of notification by the subject terminal according to the judgement result.