Multifunction Personal Security Device With Two-Stage Deterrence
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Solution Overview
Problem
Existing personal security devices lack integration of stun guns with sound and light generation capabilities for effective deterrence and alerting mechanisms.
Innovation Solution
A personal security device combining a stun gun with integrated sound and light deterrents, featuring a two-function trigger for activating light and sound in a first stage and a stun gun in a second stage, optionally configured as a handgun or as a stand-alone attachment for a stun gun or firearm.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If personal security devices are designed with multiple functions (stun gun, sound deterrent, light deterrent), then the effectiveness and versatility of the device is improved, but the device complexity increases
Solution Approach 1:
The patent combines a stun gun, sound deterrent, and light deterrent into a single integrated personal security device. The stun gun assembly, sound generating assembly, and light generating assembly are merged within one housing structure, allowing all functions to be performed by a single device rather than requiring multiple separate devices.
Solution Approach 2:
The device is designed to perform multiple functions through a single unified structure. The universal housing accommodates different functional assemblies (stun gun, sound, light), and a single trigger mechanism controls all functions, enabling the device to serve as a multi-functional personal security system.
2Ease of operation
If a two-function trigger system is implemented (first stage for light and sound, second stage for stun gun), then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The trigger mechanism is segmented into two distinct functional stages: a first stage that activates the light and sound deterrents, and a second stage that activates the stun gun. This segmentation allows users to progress through escalating levels of deterrence in a controlled sequence, improving ease of operation while managing complexity through structured control.
Solution Approach 2:
The trigger mechanism is designed to be dynamic, allowing users to select different activation stages based on the situation. The trigger can be pulled partially for the first stage (light and sound) or fully for the second stage (stun gun), providing adaptive control that improves ease of operation by matching the user's intent with the appropriate response level.
3Weight of moving object
If the device is configured as a handgun form factor, then the portability and concealability are improved, but the device complexity increases
Solution Approach 1:
The functional assemblies are nested within the handgun-shaped housing structure. The stun gun assembly, sound generating assembly, and light generating assembly are integrated into the handgun form factor, with components arranged to fit within the overall compact structure, maintaining portability while accommodating multiple functions.
Data Source
AI summary
A multi-function personal security device includes a body with an internal enclosure. Sound and light deterrent components are mounted on the body and configured for providing sound and light output. A stun gun is so mounted on the body and includes contacts. A trigger assembly is provided for actuating the deterrent components and the stun gun.