Firearm Safety System Using Biometric Authentication and GPS Geofencing
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Solution Overview
Problem
Existing firearm safety systems are inadequate in preventing unauthorized and accidental discharges, particularly in areas designated as no-gun zones, and do not effectively account for the safety of law enforcement officers or the public, as they can be bypassed by unauthorized users or mishandled.
Innovation Solution
A smart firearm system that includes a microprocessor, receiver, motor, and automatic safety lock, which uses satellite tracking and geographic coordinates to prevent operation within designated no-gun zones, integrating with a smart tracking unit and mobile device to ensure the firearm is rendered inoperable when entering such zones, and allowing authorized users to unlock it via a pass code.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional mechanical safety locks or trigger locks are used, then the firearm can be secured against casual access, but they can be bypassed by unauthorized users with a key or by force, and do not prevent use by children or criminals
Solution Approach 1:
The patent replaces traditional mechanical safety locks and trigger locks with an electronic control system that uses a microprocessor, sensor array, and electronic lock mechanism. The sensor array detects biometric data (fingerprint, hand geometry, grip pressure) and the microprocessor processes this data to control the electronic lock, substituting mechanical key-based systems with an electronic authentication system that is more reliable against unauthorized access.
Solution Approach 2:
The patent introduces a microprocessor and sensor array as intermediary components between the user and the firearm's trigger mechanism. These intermediaries authenticate the user through biometric sensing and control the release of the safety lock, adding a layer of intelligent mediation that prevents unauthorized use while allowing legitimate access.
2Reliability
If grip safety or thumb safety mechanisms are used, then accidental discharge may be prevented, but these mechanisms can be manually overridden by determined unauthorized users and do not provide sufficient protection against theft or assault
Solution Approach 1:
The patent replaces manual grip safety and thumb safety mechanisms with an electronic control system that uses sensors to detect authorized user characteristics and controls the trigger lock electronically. This substitution provides more reliable protection against both accidental discharge and intentional unauthorized use, as the electronic system can distinguish between legitimate and illegitimate attempts to operate the firearm.
Solution Approach 2:
The patent implements a feedback system where the sensor array continuously monitors the user's grip, hand position, and biometric characteristics, and the microprocessor processes this feedback to maintain or release the safety lock. This closed-loop feedback mechanism provides dynamic protection that adapts to the user's actions, preventing both accidental discharge and intentional override by unauthorized users.
3Reliability
If fingerprint scanners or voice recognition systems are used, then authorized user identification can be improved, but these systems add device complexity and may fail in certain environmental conditions or with injured users
Solution Approach 1:
The patent merges multiple sensing capabilities (fingerprint sensing, hand geometry sensing, grip pressure sensing) into a unified sensor array that works together to authenticate the user. This combination of sensing modalities provides robust user identification that is more reliable than any single method alone, while the integrated approach manages complexity through unified processing in the microprocessor.
Solution Approach 2:
The patent creates a multi-functional authentication system that can identify authorized users through multiple biometric modalities (fingerprint, hand geometry, grip characteristics). This universal system can accommodate different user conditions (injured fingers, wet hands, etc.) by using alternative sensing modalities, providing reliable authentication across a wide range of environmental and physical conditions.
4Reliability
If automatic safety lock systems with GPS tracking are used, then firearm location monitoring and no-gun zone enforcement can be achieved, but energy consumption increases and the system requires continuous communication
Solution Approach 1:
The patent implements periodic GPS location reporting rather than continuous transmission. The microprocessor periodically queries the GPS module for location data and transmits this data to the remote server at intervals, rather than maintaining continuous communication. This periodic action reduces energy consumption while still providing reliable location monitoring and no-gun zone enforcement capabilities.
Solution Approach 2:
The patent enables the firearm system to autonomously determine its location using the GPS module and automatically compare this location with stored no-gun zone coordinates in the microprocessor. The system self-manages the location monitoring function without requiring constant external communication, reducing energy consumption while maintaining reliable monitoring capabilities.
Data Source
AI summary
A firearm safety system for use in an associated portable electronic device is described herein. The system includes logic executable by a microprocessor to control a firearm to selectively prevent a feed member from communicating a bullet or a striker from contacting the bullet thereby selectively preventing shooting the gun. Pass code data is received from an associated user of the firearm safety system and is compared against security pass code data stored a memory to generate an unlock signal in response to the logic determining the pass code data received from the associated user matches the stored security pass code data. The unlock signal is communicated from the associated portable electronic device to a receiver of the firearm device as the enable signal to control the associated firearm device to selectively permit the feed member and/or the striker from operating.