Authentication-Based Power Control for Anti-Theft Tracking
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional anti-theft apps for smartphones can be defeated by simply turning off the device, rendering them ineffective in tracking or disabling stolen devices.
Innovation Solution
Implementing an authentication process before powering down a smartphone, where the device maintains location identification circuitry operational if the user fails to authenticate, allowing for continued tracking and alerting of theft even if the device appears to be turned off.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional anti-theft apps are used, then the smart phone owner can remotely ring, erase data, or locate the device, but the thief can simply turn off the smart phone to defeat these apps
Solution Approach 1:
The patent segments the device into two distinct power states: a normal shutdown state where all circuitry is powered down, and a secure anti-theft state where location identification circuitry remains operational. This segmentation allows the device to maintain anti-theft capabilities even when the majority of the device appears to be turned off, preventing thieves from simply powering down to evade tracking.
Solution Approach 2:
The patent introduces an intermediary authentication mechanism between the user and the power-down function. Before allowing the device to shut down, the system requires authentication to verify the user's identity. This intermediary step ensures that only authorized users can initiate a complete shutdown, while unauthorized attempts to power down will leave the location identification circuitry active and vulnerable to theft detection.
2Reliability
If the smart phone is turned off to conserve energy or protect data, then the device cannot be accessed or controlled, but the location identification circuitry can remain operational to enable tracking
Solution Approach 1:
The patent applies local quality by differentiating the power state of different circuitry components within the device. While the majority of the device's circuitry is powered down to conserve energy, the location identification circuitry maintains a specialized operational state. This localized power management ensures that energy is consumed only by the necessary anti-theft functions, not the entire device, thereby reducing overall power consumption while maintaining tracking capability.
Solution Approach 2:
The patent implements preliminary action by establishing the authentication requirement before the power-down process begins. The system pre-determines whether the user is authorized to shut down the device, and only if authentication succeeds does the complete power-down proceed. This preliminary verification ensures that location tracking capability is preserved for unauthorized users while allowing energy conservation for authorized users who intentionally shut down their devices.
Data Source
AI summary
A technique provides power control for an electronic device. The technique involves receiving a “turn off” command from a user of the electronic device, the “turn off” command directing the electronic device to turn off. The technique further involves, in response to the “turn off” command, invoking an authentication operation to authenticate the user, the authentication operation providing an authentication result indicating whether the electronic device considers the user to be an authorized operator of the electronic device. The technique further involves performing a power control operation in response to the authentication result, the power control operation (i) powering down location identification circuitry when the authentication result indicates that the electronic device considers the user to be an authorized operator, and (ii) maintaining power to the location identification circuitry when the authentication result indicates that the electronic device considers the user not to be an authorized operator.