Compact Self-Defense Spray With Automatic Emergency Alerting
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Solution Overview
Problem
Existing pepper spray devices are bulky, difficult to use, and do not facilitate quick access or effective communication for assistance after deterrence, leaving users vulnerable in dangerous situations.
Innovation Solution
A compact self-defense device with a spray nozzle, sensor, and communication module that sprays an inflammatory agent and alerts preselected emergency contacts via a mobile device and remote server, enabling real-time communication and location sharing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional pepper spray devices are used, then they can provide protection at a distance, but they are bulky and difficult to use quickly
Solution Approach 1:
The cartridge is nested within the housing, and the spray nozzle is integrated into the housing structure. This nested configuration allows the device to be compact and portable while maintaining all necessary functional components for effective self-defense
Solution Approach 2:
The device is segmented into distinct functional modules: a removable cartridge containing the inflammatory agent, a housing that provides structural support and integration, and a spray nozzle for delivery. This segmentation allows for compact design while maintaining ease of operation and quick access
2Reliability
If traditional pepper spray devices are used, then they can deter an attack, but the user remains vulnerable and unable to quickly contact assistance
Solution Approach 1:
The device automatically initiates alert transmission to emergency contacts immediately upon detection of spray activation. This preliminary action eliminates the need for the user to manually contact assistance, reducing response time and maintaining protection even when the user is unable to flee or communicate
Solution Approach 2:
The sensor detects when the spray nozzle is activated and provides feedback to the communication module, which automatically transmits alerts to emergency contacts. This feedback mechanism ensures that assistance is summoned immediately upon use of the defensive function
3Ease of operation
If a compact design is implemented, then the device becomes easier to carry and access, but it may lack the necessary components for effective communication
Solution Approach 1:
The sensor and communication module are merged into a single integrated system within the housing. This combination allows the device to maintain compact and portable dimensions while incorporating all necessary components for automatic alert transmission and effective communication with emergency contacts
Data Source
AI summary
Compact self-defense devices and alert systems are disclosed. An example compact self-defense device includes a housing defining a chamber configured to house a cartridge of an inflammatory agent. The compact self-defense device includes a spray nozzle including a button and at least partially housed in the housing. The spray nozzle is configured to receive the cartridge in the housing. The spray nozzle is configured to spray the inflammatory agent when the button is engaged. The compact self-defense device includes a sensor housed in the chamber and configured to detect when the spray nozzle is spraying the inflammatory agent. The compact self-defense device includes a communication module housed in the chamber and configured to transmit a signal for alerting one or more preselected emergency contacts in response to the sensor detecting that the spray nozzle is spraying the inflammatory agent.