Monitoring System Using Fixed Telephone Network for Remote Detection
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Solution Overview
Problem
The existing monitoring systems that enable data input and output between a mobile phone terminal and a camera are complex and costly, making it difficult to implement a low-cost monitoring system with effective remote monitoring capabilities.
Innovation Solution
A monitoring system that utilizes an existing fixed telephone connected to a fixed telephone network for calls, incorporating a sensor, a camera with an image capturing unit and call function, a master device for communication with the camera, and a mobile phone terminal with wireless communication capabilities, where the master device stores detection area settings and transmits notification information to the mobile phone terminal for displaying detection information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If video and audio signals are switched and transmitted from multiple camera units to capture intruder motions and sound, then monitoring effectiveness is improved, but controller complexity increases and cost increases
Solution Approach 1:
The system divides monitoring functions into separate independent camera units, each equipped with its own sensor and processing capabilities. Each camera unit autonomously detects intruders and transmits data, eliminating the need for a complex centralized controller that switches between multiple cameras. This segmentation reduces overall system complexity while maintaining effective monitoring coverage.
2Adaptability or versatility
If a complex controller configuration is used to switch and transmit video and audio signals from multiple camera units, then monitoring capability is improved, but implementation cost increases
Solution Approach 1:
Each camera unit is equipped with autonomous detection and transmission capabilities, allowing it to independently perform monitoring functions without requiring complex centralized control. The camera units self-manage their detection, processing, and data transmission, significantly reducing system implementation costs while maintaining versatile monitoring capabilities across multiple locations.
3Ease of manufacture
If existing fixed telephone infrastructure is utilized for data transmission, then cost is reduced, but communication functionality is limited compared to mobile phone networks
Solution Approach 1:
The camera units are designed with multi-functional communication capabilities, supporting both fixed telephone network and mobile phone network connections. This allows the system to utilize cost-effective fixed telephone infrastructure when available, while automatically falling back to or supplementing with mobile network capabilities to maintain full communication functionality and adaptability.
Data Source
AI summary
In a monitoring system, a master device stores setting information indicating a detection area of a target detected by a sensor in a storage unit, and transmits the setting information to a camera (a baby monitoring camera) having a sensor built thereinto or correlated with a sensor so as to set a detection parameter including the detection area therein. When a predetermined state set by the detection parameter is detected inside the detection area by the camera, a master device transmits detection notification information to a smartphone, and the smartphone displays a detection information screen based on the detection notification information transmitted from the master device on a display/input unit.