Liquid Marker Dispenser for Intruder Identification
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Solution Overview
Problem
Existing security systems for homes and businesses are not easy to use and do not leave a visible marker on intruders, making it difficult for authorities to identify them after they have left the premises.
Innovation Solution
A security system with sensors connected to a liquid dispenser that sprays a non-toxic, visible marker on intruders when glass or doors are broken, allowing for easy identification and featuring a floor unit that can mark shoes upon entry, with options for different colors and unique patterns to identify specific locations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If traditional security systems are used, then intrusion detection is provided, but visible marking of intruders is not achieved
Solution Approach 1:
The patent combines the security detection system with a liquid dispensing system into a single integrated apparatus. The sensor detects intruders and directly triggers the liquid dispenser to mark them, merging detection and marking functions into one device that reduces overall system complexity while achieving both intrusion detection and visible intruder identification
Solution Approach 2:
The security system performs multiple functions: it detects intruders through sensors, identifies them through visible liquid marking, and provides evidence for law enforcement. This multi-functional approach addresses the information loss problem by adding marking capability without requiring entirely separate systems
2Loss of information
If liquid marker is dispensed widely, then intruder identification is improved, but property damage increases
Solution Approach 1:
The liquid dispenser is positioned and directed to apply marking liquid specifically at the point of intruder entry or near the sensor location. This localized application ensures intruders are marked while minimizing liquid contact with other property, addressing the contradiction between effective marking and property protection
Solution Approach 2:
The system uses a controlled liquid dispensing mechanism as an intermediary between detection and marking. The dispenser can be precisely activated and directed to mark only the intruder without affecting surrounding property, mediating between the need for identification and property protection
Data Source
AI summary
A security system and apparatus for a home or business is provided. The security system has a sensor connected to a liquid dispenser. The sensor is triggered upon the breaking of glass or a door of a building. The liquid dispenser, when activated, dispenses a non-toxic liquid marker. The liquid dispenser sprays a mist of the liquid on the intruder so that the intruder may be easily identified.

