Duress Code Handling in Mobile Alarm Apps
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Solution Overview
Problem
Existing alarm systems lack an efficient method to handle duress situations, where users need to disarm the system without alerting intruders while simultaneously sending a silent panic alarm to authorities.
Innovation Solution
A mobile application that allows users to input a duress code, which appears to disarm the alarm system but also sends a silent panic alarm to the monitoring server and central station, along with the user's location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a user enters a code to disarm the alarm system, then the system is disarmed and normal operation is restored, but the user cannot simultaneously signal a duress situation without alerting the intruder
Solution Approach 1:
The system introduces a monitoring server as an intermediary that receives duress signals from the control panel. When a duress code is entered, the control panel sends a signal to the monitoring server, which then dispatches emergency services. This intermediary mechanism allows the user to signal distress without directly alerting the intruder, as the communication channel is established through the pre-existing monitoring infrastructure rather than through visible alarm indicators.
Solution Approach 2:
The system differentiates between local and remote responses to alarm conditions. Locally, the system maintains normal appearance by not triggering visible or audible alarms when a duress code is entered. Remotely, the monitoring server receives the duress signal and initiates emergency response. This spatial differentiation of response qualities allows the system to protect the user's safety by keeping the intruder unaware while still enabling emergency intervention.
2Reliability
If the alarm system generates an audible alert and sends electronic data to the monitoring service, then authorities are alerted, but the user loses the element of surprise and safety in duress situations
Solution Approach 1:
The system inverts the traditional alarm response logic. Instead of triggering visible or audible alarms to alert authorities (the obvious approach), the system uses a silent duress code that appears to be a normal disarm operation. The inversion allows the user to maintain safety by pretending compliance with the intruder's demands while simultaneously initiating emergency response through the monitoring server.
Solution Approach 2:
The system converts the harmful situation of being held at gunpoint into a beneficial outcome by using the intruder's own demands against them. The user is forced to enter a code to disarm the system, but by using a pre-programmed duress code, the user transforms this coerced action into a signal for emergency services. The harm of complying with the intruder's demands is converted into the benefit of silent emergency activation.
3Adaptability or versatility
If the system provides multiple code options for disarming, then user flexibility is improved, but the system complexity and difficulty of identifying duress codes increases
Solution Approach 1:
The system employs self-service mechanisms where the user pre-configures duress codes during system setup, choosing codes that are meaningful to them but difficult for intruders to guess. The control panel and mobile application automatically manage multiple code types (normal disarm codes, duress codes, extended duress codes) without requiring user intervention during critical moments. This self-service approach allows the system to maintain high adaptability while minimizing the operational burden on users during duress situations.
Data Source
AI summary
Techniques are described for handling duress input. For example, techniques are described for handling duress input provided to a mobile application that controls a monitoring system located at a fixed property.