Conductive Security Bag Structure for Small Item Theft Detection
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Solution Overview
Problem
Existing security bags and devices suffer from complex layer structures, inadequate edge protection, suitability issues for flexible objects, and limitations in handling smaller items, especially food, while also lacking aesthetic appeal and effective theft deterrence.
Innovation Solution
A security bag with a conductor track embedded or applied on the bag wall, featuring a connection interface for a security tag, electrical contacts, and a continuous conductor path that ensures unauthorized removal triggers an alarm, with additional dummy tracks and edge protection to deter theft.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a complex layer structure with up to 6 different layers is used in the security bag, then the theft protection is improved, but the manufacturing complexity and cost increase
Solution Approach 1:
The patent extracts the essential security function from the complex multi-layer structure and implements it through a simplified single-layer or multi-layer design with integrated conductor tracks. The conductor tracks are directly incorporated into the bag wall structure itself, eliminating the need for separate complex monitoring layers and systems, thereby reducing manufacturing complexity while maintaining theft protection effectiveness.
Solution Approach 2:
The patent merges the conductor track function directly into the bag wall structure. The conductor tracks are formed as integral parts of the bag wall, combining the structural and security monitoring functions into a unified design. This integration simplifies the overall structure by eliminating separate components and reduces manufacturing steps while preserving the ability to detect unauthorized removal.
2Ease of manufacture
If the security bag uses a simple structure, then the manufacturing cost is reduced, but the edge protection is insufficient
Solution Approach 1:
The patent applies conductor tracks specifically at critical locations such as edges and perimeters of the bag wall, rather than uniformly across the entire structure. This localized application of conductive elements provides enhanced edge protection where theft attempts are most likely to occur, while maintaining cost-effectiveness by avoiding unnecessary conductor material in non-critical areas.
Solution Approach 2:
The conductor tracks are pre-formed as integral parts of the bag wall structure during the manufacturing process. The conductive pathways are incorporated into the bag wall itself before final assembly, enabling edge protection to be built-in rather than added as a separate post-manufacturing step, thereby maintaining manufacturing simplicity while ensuring robust edge security.
3Reliability
If the mesh size is reduced to secure smaller items, then the theft protection for small goods is improved, but the handling difficulty and aesthetic appeal deteriorate
Solution Approach 1:
The patent replaces the mechanical mesh structure with a flexible bag wall incorporating integrated conductor tracks. Instead of relying on physical mesh openings to secure items, the security function is achieved through the conductor track system that detects unauthorized removal. This allows the bag wall to maintain a smooth, aesthetically pleasing surface without mesh patterns while providing effective security for items of any size through the electronic monitoring capability.
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
The solution provides effective theft protection for various objects, including small and flexible items, maintains aesthetic appeal, and is durable for multiple uses, while being cost-effective and suitable for low-temperature environments.
Implementation Method 1
Conductive material is affixed to the flexible material and forms a closed electrical circuit with an alarming device when the security device is in the sealed orientation and an open electrical circuit when the circuit is opened.
Data Source
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AI summary
The overall objective of the disclosure is to provide a security bag. The security bag includes a bag wall and a conductor track which is embedded in the bag wall or arranged on the bag wall. The security bag includes a connection interface, which is configured to interlock the security bag to a security tag. The security bag includes electrical contacts formed integrally with the conductor track. The electrical contacts are configured to electrically connect the conductor track. A path of the conductor track defines a plurality of surface segments on the bag surface. Each surface segment is delimited along any direction on the bag surface by the conductor track.