Finger-Pull Personal Alarm With Strobe Pin Triggering
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Solution Overview
Problem
Existing personal protection devices, such as pepper spray, stun guns, and personal alarms, have limitations in effectiveness, ease of use, and legal restrictions, and do not effectively incapacitate attackers.
Innovation Solution
A portable personal security alarm device with a piercing alarm and strobe light, featuring a switch-based or induction-based triggering mechanism, utilizing a two-part housing with a finger pull handle and a body, incorporating a pin to activate a high-intensity strobe light and audible alarm.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If pepper spray is used for personal protection, then it is compact and easy to carry, but it has a short useful life and is difficult to operate
Solution Approach 1:
The device is divided into two separate parts: a reusable body containing the power source and alarm components, and a replaceable finger pull handle. This segmentation allows the handle to be replaced when worn or lost, while the main body with extended useful life can be retained and reused.
2Object-affected harmful factors
If stun guns are used for personal protection, then they are effective for close-range self-defense, but they may be subject to legal restrictions
Solution Approach 1:
The invention converts the harmful aspect of electronic alarms (which can be disruptive) into a beneficial deterrent by using the loud alarm and strobe light to startle and disorient attackers, achieving incapacitation效果 without using weapons that are subject to legal restrictions.
3Ease of operation
If personal alarms are used for personal protection, then they are small and portable, but they use complex connecting devices that are sometimes unreliable
Solution Approach 1:
The finger pull handle and body are designed to connect through a simple pin insertion mechanism that integrates the alarm components into a single unit. This merging eliminates complex connecting devices while maintaining portability and reliability.
4Ease of operation
If self-defense keychains are used for personal protection, then they are compact and easy to carry, but they can be turned on the user by the assailant and are difficult to master
Solution Approach 1:
The device is designed to be activated automatically when the finger pull handle is removed from the body, eliminating the need for complex manipulation by the user. The alarm activates on its own when triggered, ensuring safety even if the user is overwhelmed or injured.
5Object-affected harmful factors
If concealed carry firearms are used for personal protection, then they provide effective protection, but they require proper training and many people are not comfortable carrying a firearm
Solution Approach 1:
The invention replaces the complex mechanical system of firearm operation with a simple electronic alarm system that requires no training. The device uses electrical components (battery, alarm, strobe light) instead of mechanical firearm mechanisms, making it accessible to anyone regardless of training level.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Provides effective deterrence through a simple, reliable, and legal mechanism that activates a high-intensity strobe light and loud alarm, capable of disorienting and alerting others to potential threats.
Implementation Method 1
Inductive switches operate on the principle of electromagnetic induction. When a metallic object enters the sensing range of the switch, it alters the electromagnetic field around the switch, triggering a response.
Implementation Method 2
When an alternating current (AC) is passed through this coil, it generates an electromagnetic field around it.
Implementation Method 3
When a metallic object enters this field, it disturbs the field lines, causing a change in the inductance of the coil.
Data Source
AI summary
A portable personal security alarm device that incorporates a piercing alarm and a strobe light, the device having an triggering mechanism. The invention comprises a two-part housing, referred to herein as the finger pull handle and a body. The finger pull handle has an aperture for inserting a finger, making it easy to grasp and pull, while the top of the finger pull handle provides a comfortable surface for the finger to rest against. The housing is resilient to protect the components from environmental factors and provide a mounting mechanism for the internal electromechanical components and circuitry. Within the body are the electro-mechanical components providing the personal alarm functionality including power source(s), switch(es) and a load.