Wearable Biometric Duress Detection via Wireless Access Control
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Solution Overview
Problem
Existing access control systems face challenges in providing an effective and invisible duress signal, as users often need to remember multiple codes, standard duress codes can be easily detected, and duress signals are typically limited to specific access control interfaces.
Innovation Solution
The implementation of a wearable device that generates an invisible duress signal based on biometric data, audio inputs, accelerometer, and gyroscopic data, which can be wirelessly communicated to access control devices or other wearables, allowing for a more discreet and comprehensive alert system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standard duress codes are used at access control interfaces, then duress alerts can be sent to monitoring parties, but the codes can be easily detected by observing user input
Solution Approach 1:
The patent replaces the mechanical/manual entry of duress codes at access control interfaces with an automated biometric detection system. The wearable device continuously monitors physiological parameters (heart rate, galvanic skin response, temperature) and automatically triggers duress alerts when stress indicators are detected, eliminating the need for users to manually input detectable codes.
Solution Approach 2:
The patent introduces a wearable biometric monitoring device as an intermediary between the user's physiological state and the access control system. This intermediary continuously monitors stress indicators and communicates duress conditions to the access control system without requiring direct user interaction or visible code entry, thus preventing detection by observers.
2Reliability
If multiple codes are required for access control, then security is enhanced, but users face difficulty remembering and correctly entering codes
Solution Approach 1:
The patent enables the system to automatically perform the function of code verification and duress detection without requiring user memory or manual input. The wearable device autonomously monitors biometric parameters and the system automatically distinguishes between legitimate access attempts and duress situations based on physiological data, eliminating the burden of remembering multiple codes.
Solution Approach 2:
The patent substitutes the manual code entry mechanism with automated biometric authentication. Instead of requiring users to physically enter codes at keypads, the system uses physiological sensors to automatically verify user identity and stress state, replacing mechanical interaction with biological signal processing.
3Reliability
If duress codes are entered at specific access control interfaces, then duress alerts can be triggered, but users cannot provide alerts at other locations or when thwarted at the interface
Solution Approach 1:
The patent makes the duress detection capability universal by implementing it in a wearable device that accompanies the user anywhere, rather than being limited to specific access control interfaces. The wearable continuously monitors biometric data and can trigger duress alerts at any location, making the functionality independent of fixed infrastructure and available even when traditional interfaces are compromised or unavailable.
4Reliability
If visible duress signals are used, then alerts can be sent to monitoring parties, but the signals can be detected by observers in the environment
Solution Approach 1:
The patent replaces visible or audible duress signals with invisible wireless electronic communications. The wearable device transmits duress alerts electronically to monitoring parties through radio frequency or other wireless protocols, eliminating the need for visible lights, audible alarms, or other detectable physical signals that could be observed by potential threats in the environment.
Data Source
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AI summary
Methods, devices, and systems are provided for invisibly indicating duress via a wearable device. In response to determining a duress condition associated with a user exists, a duress signal is provided to components of the access control system. The duress signal can identify a user associated with the duress, a duress type, and even include a location associated with the duress condition. An alert of the duress condition can be distributed to one or more devices in the access control system. These devices may be associated with users of the system and the alert may be configured to silently inform the users of the duress condition.