Keybox Security System with Remote Tamper Alerting

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Solution Overview

Problem

Current keybox security systems are inadequate as they can be tampered with using battery-powered tools or physical means, leading to unauthorized access and potential car theft, as merely locking keys in a keybox does not provide foolproof security.

Innovation Solution

A system comprising a user device, a first device, and a second device that enables bidirectional communication to detect unauthorized access and trigger alarms, with the second device, such as a keybox, sending alert messages to the first device, which can initiate alarms, siren, or alert authorities, enhancing security by allowing remote monitoring and response.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If keys are locked in a keybox for security, then key theft is prevented, but the keybox can still be tampered with using battery-powered tools or physical means

Engineering Contradiction:
Improvekey securityVSAvoidtampering vulnerability
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary actions by establishing authorized communication between devices before actual key access occurs. The first device receives and authorizes commands from user devices, enabling communication with the second device (keybox) only after verification. This preliminary authorization layer prevents unauthorized tampering before it can affect key security.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system implements feedback mechanisms where the second device sends alert messages to the first device when tampering is detected. The first device then issues alarms based on these alerts, creating a closed-loop feedback system that continuously monitors and responds to security threats, enhancing protection against battery-powered tools and physical tampering.

Inventive Principle:
Principle #23Feedback

2Reliability

If the keybox is placed inside the car for security, then access control is improved, but the car window can be broken to access and tamper the lockbox

Engineering Contradiction:
Improveaccess controlVSAvoidphysical access vulnerability
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The first device acts as an intermediary between user devices and the second device (keybox inside the car). It receives commands, authorizes them, and enables communication only after verification. This intermediary layer provides remote monitoring and control capabilities, allowing the system to detect and respond to window breaking or physical tampering attempts even when the keybox is placed inside the car for security.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If remote monitoring is enabled to detect tampering, then security response is improved, but device complexity increases

Engineering Contradiction:
Improvesecurity responseVSAvoidsystem complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The security system is segmented into distinct functional components: the first device handles command reception and authorization, the second device (keybox) performs local security functions and tampering detection, and user devices provide remote access. This segmentation allows each component to remain relatively simple while the overall system provides comprehensive remote monitoring and security response capabilities.

Inventive Principle:
Principle #1Segmentation

Data Source

PatentUS11430310B2Enhanced security in access control systems
Publication Date: 2022.08.30 HONEYWELL INTERNATIONAL INC
  • US11430310B2 patent drawing
  • US11430310B2 patent drawing
  • US11430310B2 patent drawing

AI summary

A method, system, and devices for providing enhanced security to access control systems. The system includes a user device, a first device and a second device. The user device sends a command to the first device. The command is further authorized to enable a communication between the first device and the second device. In an event of any security breach on the second device, the second device may generate an alert and transmit the same to the first device. In response to the alert, the first device may sound an alarm or siren for the concerned user.