Security Tag System for Sensitive Devices

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Solution Overview

Problem

Existing security platforms effectively manage access to environments but fail to prevent the unauthorized removal of sensitive devices from these environments, posing a risk of data leakage.

Innovation Solution

A security tag system is affixed to sensitive devices, equipped with wireless communication circuitry, displacement sensors, and an alarm, which ensures the device remains within a predetermined range by activating an alarm if it moves beyond a threshold distance and only allows authorized users to deactivate the alarm, thereby preventing unauthorized removal.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional security platforms are used to control access to environments, then access management is improved, but unauthorized removal of sensitive devices cannot be prevented

Engineering Contradiction:
Improveaccess managementVSAvoidunauthorized device removal
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

A security tag is introduced as an intermediary device attached to sensitive devices. The tag includes a displacement sensor that monitors the device's position and wireless communication circuitry that communicates with readers in the environment. This intermediary system detects when a device is removed from the controlled environment and triggers an alarm, thereby preventing unauthorized removal while maintaining existing access control.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If security tags with displacement sensors are attached to sensitive devices, then device removal prevention is improved, but system complexity increases

Engineering Contradiction:
Improvedevice removal preventionVSAvoidsecurity tag system
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The security tag is designed as a multi-functional device that combines displacement sensing, wireless communication, alarm generation, and authorization verification in a single compact unit. This universal approach consolidates multiple security functions into one device, reducing the need for separate systems and minimizing overall system complexity while maintaining comprehensive device removal prevention.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The security tag system effectively prevents sensitive devices from being removed from controlled environments by ensuring they remain within a specified range and only allows authorized users to deactivate the alarm, thereby enhancing data security.

Implementation Method 1

the security tag includes circuitry configured to determine a representation of a distance the security tag has moved away from a predetermined point

Methodology Applied
Scientific EffectDisplacement sensing: Displacement

Data Source

PatentUS12197994B1Secure alarm system for sensitive devices
Publication Date: 2025.01.14 NXP BV
  • US12197994B1 patent drawing
  • US12197994B1 patent drawing
  • US12197994B1 patent drawing

AI summary

A security platform includes a security tag having a wireless communication circuitry configured to receive a user identification (ID) from an ID tag. After receiving the user ID, the security tag tracks the distance the security tag moves away from a predetermined point. The security tag then compares the determined distance to a predetermined distance threshold to determine whether the security tag is within a range. In response to the determined distance being greater than the predetermined distance threshold, the security tag determines that the security tag is outside of the range and activates an alarm. The alarm of the security tag continues to be active until a second user ID having appropriate access rights is received.