Multi-Device Recording System Automatic Switching
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Solution Overview
Problem
Law enforcement officers often face challenges in ensuring continuous real-time video and audio recording during emergencies, as they may not have time to manually activate devices, and devices can become malfunctioning or run out of power at critical moments.
Innovation Solution
An event detecting and recording system that manages communication connections between multiple information capturing devices, allowing for automatic switching to another device in case of abnormality, with a manager that outputs trigger signals to initiate recording processes when communication connections are lost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual activation of information capturing device is used, then device can be activated when needed, but law enforcement officers do not have time to manually activate during emergencies
Solution Approach 1:
The system performs preliminary actions by automatically detecting events and activating recording without requiring manual intervention. The event detecting module continuously monitors for specific events (sirens, shouts, gunshots) and automatically triggers the information capturing device when events are detected, eliminating the time loss associated with manual activation during emergencies.
2Reliability
If single information capturing device is used, then device portability is maintained, but device may malfunction or run out of power at critical moments
Solution Approach 1:
The system merges multiple information capturing devices into a unified networked system managed by a central controller. Multiple portable recording devices are combined and coordinated through wireless communication, allowing automatic switching between devices when one malfunctions or runs out of power, thereby maintaining recording continuity without significantly increasing individual device complexity.
Solution Approach 2:
The system changes the operational parameters by transitioning from single-device operation to multi-device coordinated operation. The controller dynamically adjusts recording parameters, device activation states, and data management based on real-time conditions, enabling reliable continuous recording through parameter optimization across the device network.
3Extent of automation
If automatic event detection is implemented, then real-time recording activation is achieved, but system complexity increases
Solution Approach 1:
The system segments functionality into distinct modular components: event detecting module, controller module, and information capturing module. Each module performs a specific function and communicates through standardized interfaces, reducing overall system complexity while enabling automatic activation. The segmentation allows independent optimization of each component and simplifies maintenance and troubleshooting.
Data Source
AI summary
A management method for an information capturing system includes: detecting communication connections of a plurality of information capturing devices; and when the communication connection of any of the information capturing device is abnormal, generating and outputting a trigger signal to the other of the information capturing devices so as to cause the other of the information capturing devices to execute an information capturing process in response to the trigger signal.