Proximity-Based Anti-Theft Device for Mobile Computers
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Solution Overview
Problem
Laptops and tablet computers are vulnerable to theft when left unattended, as existing solutions fail to effectively deter or prevent theft.
Innovation Solution
An anti-theft device that determines a reference point, such as a user's device location, and enters an alarm state if the distance exceeds a threshold, using GPS or signal strength, to trigger an alarm and secure the device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing anti-theft solutions are used, then device security is provided, but they fail to effectively deter or prevent theft when devices are left unattended
Solution Approach 1:
The patent combines multiple anti-theft functions (GPS tracking, proximity detection, alarm system, and device locking) into a single integrated apparatus that attaches to the protected device. This merging approach improves reliability by providing multiple security mechanisms working together while managing complexity through unified design rather than separate systems.
Solution Approach 2:
The anti-theft apparatus is designed to perform multiple functions: determining geographic location via GPS, detecting proximity to the user through various sensors, triggering alarms, and locking the protected device. This multi-functionality increases theft prevention effectiveness without requiring multiple separate devices, thereby improving reliability while keeping the system relatively simple.
2Measurement precision
If the anti-theft device monitors distance continuously, then theft detection accuracy is improved, but energy consumption increases
Solution Approach 1:
The system employs periodic monitoring of distance through various sensors (accelerometer, gyroscope, proximity sensors) rather than continuous monitoring. The controller periodically checks whether the protected device has moved beyond the threshold distance and activates security responses only when separation is detected, thereby maintaining measurement precision while significantly reducing power consumption compared to continuous monitoring.
Solution Approach 2:
The anti-theft apparatus utilizes the protected device's own sensors and processing capabilities to detect separation and trigger security responses. The system leverages existing hardware (accelerometers, GPS receivers) already present in modern devices, eliminating the need for additional power-intensive components while maintaining accurate distance measurement and theft detection.
Data Source
AI summary
Disclosed are methods and apparatuses relating to an anti-theft device. An anti-theft device can be affixed to a tablet or laptop. The anti-theft device can determine if a distance relative to a reference point exceeds a threshold. An alarm state can be entered.