Digital Fingerprint Tracking Through Alarm-Triggered Device Identification

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Solution Overview

Problem

Existing security systems lack the ability to effectively track intruders by identifying unique characteristics of electronic devices they carry, which hinders efficient response and investigation.

Innovation Solution

A monitoring system that detects alarm events and initiates a process to gather electronic identifiers from devices within the monitored property using wireless communication protocols like Wi-Fi, Bluetooth, and RFID, storing this information for potential intruder identification.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If traditional alarm systems are used to detect security breaches, then basic alarm functionality is provided, but the ability to track and identify intruders is lacking

Engineering Contradiction:
Improveintruder identification accuracyVSAvoidsystem complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The system performs preliminary actions by continuously detecting and recording electronic device identifiers (MAC addresses) of devices present on the property before an alarm event occurs. When a security breach is detected, the system can immediately retrieve and provide the identifiers of devices that were present during the incident, enabling rapid intruder tracking without adding complex real-time analysis capabilities during the alarm event itself.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If electronic device detection is implemented to gather identifiers during alarm events, then intruder tracking capability is improved, but system complexity and resource requirements increase

Engineering Contradiction:
Improveintruder tracking reliabilityVSAvoiddetection system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system uses electronic device identifiers (MAC addresses) as an intermediary to track intruders indirectly through their carried devices rather than attempting direct intruder identification. This intermediary approach provides reliable tracking information while maintaining relatively simple detection mechanisms that leverage existing wireless communication infrastructure.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The system creates a copy of the electronic device identifier information (MAC addresses) detected during alarm events and stores it for later retrieval and analysis. This copying mechanism enables reliable intruder tracking by preserving the identifier data without requiring complex real-time processing or analysis systems.

Inventive Principle:
Principle #26Copying

3Loss of information

If comprehensive device identifier collection is performed, then intruder identification capability is enhanced, but data processing and storage requirements increase

Engineering Contradiction:
Improveinformation retention about intrudersVSAvoiddata storage requirements
Core Design Contradiction:
Loss of informationVSQuantity of substance

Solution Approach 1:

The system extracts only the essential identifying information (electronic device identifiers/MAC addresses) from the complex data environment during alarm events, rather than attempting to collect and process all possible data about intruders. This extraction approach enhances intruder identification capability while minimizing data storage requirements by focusing only on the most relevant information.

Inventive Principle:
Principle #2Taking out (Extraction)

Data Source

PatentUS20250232660A1Digital fingerprint tracking
Publication Date: 2025.07.17 ALARM COM INC
  • US20250232660A1 patent drawing
  • US20250232660A1 patent drawing
  • US20250232660A1 patent drawing

AI summary

Techniques are described for tracking intruders of a monitored property by the unique identifying characteristics or “digital fingerprints” of electronic devices carried by the intruders. A system detects an alarm event at a monitored property based on output from at least one sensor located at the monitored property. In response to detecting the alarm event at the monitored property, the system initiates a process to gather electronic identifiers for mobile electronic devices located within the monitored property at a time corresponding to the detected alarm event. The system determines electronic identifiers for the mobile electronic devices located within the monitored property at a time corresponding to the detected alarm event. The system stores in electronic storage, information indicating the determined electronic identifiers for the mobile electronic devices located within the monitored property at a time corresponding to the detected alarm event.