Wearable Camera Synchronization With In-Car Recorder
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Solution Overview
Problem
Wearable camera systems used by police officers and security guards often face challenges in starting video recording operations during emergency situations, leading to potential omission of critical video data, which can hinder incident investigation and compromise monitoring performance.
Innovation Solution
A wearable camera system and video recording control method that includes a wearable camera and an in-car recorder, where one device transmits video recording starting information to the other, ensuring that both devices start recording simultaneously, thereby reducing the likelihood of data omission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wearable camera requires manual operation to start video recording, then the device can be operated with simple controls, but recording omission may occur during emergency situations when the user cannot perform the recording start operation
Solution Approach 1:
The wearable camera performs video recording automatically without requiring manual operation from the user. The camera detects emergency situations and initiates recording on its own, eliminating the need for the user to manually start recording while maintaining operational simplicity
Solution Approach 2:
The system establishes communication links and prepares recording functions in advance before emergency situations occur. When an emergency is detected, the pre-prepared system can immediately start recording without requiring user action, thus preventing recording omission
2Reliability
If the wearable camera and in-car recorder operate independently without communication, then each device can function autonomously, but coordination between devices is poor leading to inconsistent recording operations
Solution Approach 1:
The wearable camera and in-car recorder are merged into a coordinated system through communication links. Both devices share recording status information and synchronize their operations, ensuring consistent recording across multiple devices while maintaining their individual autonomous functions
Solution Approach 2:
The system implements feedback mechanisms where the wearable camera and in-car recorder exchange information about their recording states. This feedback loop ensures that both devices remain synchronized and coordinate their operations reliably without requiring complex centralized control
Data Source
AI summary
A wearable camera system includes a wearable camera, an in-car recorder, and an in-car camera. One of the in-car recorder and the wearable camera transmits video recording starting information including information indicating that video recording has been started to the other of the in-car recorder and the wearable camera when one of the in-car recorder and the wearable camera starts the video recording. The other of the in-car recorder and the wearable camera starts video recording after the video recording starting information is received.