Cash Register Security Drawer With Automatic Staining Release
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Solution Overview
Problem
Existing security systems for cash registers and similar devices do not have mechanisms to automatically release a staining agent in response to potential threats, leaving valuables and operators unprotected.
Innovation Solution
A security drawer for cash registers equipped with a conduit system and an electronic control unit that releases a staining fluid upon detection of anomalies, such as abnormal heart rates, to deter potential threats.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional security systems are used in cash registers, then the device complexity is reduced, but the safety and protection of valuables and operators deteriorates
Solution Approach 1:
The staining fluid distribution system is nested within the drawer structure, with conduits integrated into the drawer walls and partitions. The tank is positioned within the drawer assembly, creating a compact integrated system that adds safety functionality without significantly increasing external device complexity.
Solution Approach 2:
The system automatically detects operator distress through heart rate monitoring and autonomously triggers the staining fluid release without requiring manual intervention. This self-service capability enhances safety while minimizing the need for complex control interfaces.
2Reliability
If automatic staining agent release is implemented, then the protection of valuables improves, but the device complexity increases
Solution Approach 1:
The system replaces complex mechanical alarm systems with a chemical deterrent mechanism. Instead of relying on mechanical components that may fail or require complex actuation, the patent uses a fluid distribution system that can be activated by simple electronic triggers based on heart rate detection.
Solution Approach 2:
The staining fluid is pre-positioned in the tank and conduits are pre-installed within the drawer structure. When activation is required, the system only needs to open valves or activate pumps to release the pre-positioned fluid, rather than requiring complex assembly or preparation at the moment of threat detection.
3Speed
If heart rate monitoring is used to trigger security measures, then the responsiveness to threats improves, but the device complexity increases
Solution Approach 1:
The system continuously monitors the operator's heart rate and uses this feedback to automatically trigger security measures when abnormal patterns are detected. This closed-loop feedback mechanism enables rapid response to threats while using a relatively simple sensing and control architecture.
Solution Approach 2:
The heart rate monitor serves as an intermediary device that translates physiological signals into control signals for the staining fluid release system. This intermediary approach allows the system to respond to complex physiological states without requiring direct complex interaction between the operator and the security mechanism.
Data Source
Figure 1
Figure 2
AI summary
A security drawer (9), connectable to a cash register and/or cash machine, comprises at least one partition (10) for housing cash, at least one conduit (12), arranged at the partition (10) so as to release a staining fluid and stain the contents thereof, a primary tank (14) which contains the staining fluid, and an electronic control unit (16), suitable for triggering the dispensing of the staining fluid from the primary tank (14) to the at least one conduit (12).