Rear-View Mirror Security Camera Layout for Low-Power Vehicle Surveillance
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Solution Overview
Problem
Vehicles are vulnerable to damage and theft when unattended due to the lack of effective security measures when dashcams are not in use, and existing aftermarket security systems require professional installation and modification, which deters users and consume excessive power.
Innovation Solution
An in-vehicle security device with dual image capture devices and object detection modules mounted behind the rear-view mirror, allowing power-efficient operation and discreet recording, combined with radar modules for 360-degree motion detection and data transfer to an auxiliary device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dashcams are used to provide security when vehicle is unattended, then security protection is improved, but power consumption increases and battery may be run down
Solution Approach 1:
The security device operates in periodic cycles, alternating between low-power object detection mode and higher-power image capture mode. The object detection module continuously monitors for objects near the vehicle, and only when detection occurs does the system activate image capture devices to record video footage. This periodic operation maintains security protection while significantly reducing overall power consumption compared to continuous recording.
2Reliability
If aftermarket security systems are installed, then security functionality is improved, but installation complexity increases and requires professional technician
Solution Approach 1:
The security device combines multiple previously separate components into a single integrated unit: object detection module, image capture devices, processing unit, and power management are all merged into one device. This integration eliminates the need for complex wiring and calibration that would otherwise be required when installing separate sensors, cameras, and control systems, enabling users to install the system themselves without professional technicians.
Solution Approach 2:
The security device is designed as a universal system that can be installed in various vehicle types and configurations. The device provides multiple functions including object detection, video recording, and power management within a single unit that can be mounted in different locations (windshield, dashboard, or rear-view mirror). This multi-functionality and adaptability reduces installation complexity compared to specialized systems designed for specific vehicle models.
3Reliability
If image capture devices are positioned to capture exterior views, then exterior surveillance is improved, but driver's view may be occluded
Solution Approach 1:
The security device utilizes the vertical dimension by mounting image capture devices above the driver's line of sight, typically on the windshield or upper dashboard area. This positioning allows the cameras to capture exterior views and monitor the vehicle surroundings effectively while remaining invisible to the driver. The system transitions the problem from a horizontal space conflict to a vertical arrangement, achieving both surveillance and unobtrusiveness.
Data Source
AI summary
An in-vehicle security device mountable to a surface to the rear of a rear-view mirror of a vehicle, comprising: a first image capture device configured to receive images in a first direction relative to the security device; a second image capture device facing a second direction, the second direction different from the first direction; and a first object detection module configured to detect the presence of an object exterior to a vehicle in which the security device may be mounted; wherein the first image capture device and second image capture device are arranged to begin capturing images and/or video responsive to the first object detection module detecting the presence of an object exterior to a vehicle in which the security device may be mounted.