Tamper-proof Bolt-seal with Resistive Sensor
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Solution Overview
Problem
Current security devices for containers are inadequate against sophisticated smuggling and trafficking techniques, as they can be bypassed, reassembled, or have their security identification codes duplicated, making it difficult to detect breaches.
Innovation Solution
A tamper-proof electronic bolt-seal with a unique identification code generated by combining a randomized resistive sensor value with an electronic identification code, which cannot be restored or duplicated, and includes features like wireless communication and GPS for real-time monitoring and reporting of breaches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If current security devices are used, then container security is provided, but the devices can be bypassed, reassembled, or have their identification codes duplicated
Solution Approach 1:
The patent changes the parameter of the identification code from a static electronic code to a dynamic code that changes based on the physical state of the seal components. The resistance value of the resistive sensor changes when the seal is tampered with, causing the generated identification code to change. This ensures that even if the electronic code is duplicated, the physical tampering will be detected through the changed resistance value.
Solution Approach 2:
The patent combines multiple materials and components to create a composite security system: a resistive sensor (electrical component), a mechanical seal structure, and an electronic code generator. This composite approach integrates physical sensing with electronic identification, making the system resistant to both electronic duplication and physical tampering.
2Object-affected harmful factors
If sophisticated tampering techniques are employed, then security devices are defeated, but detection of breaches becomes difficult
Solution Approach 1:
The patent implements a feedback mechanism where the resistive sensor continuously monitors the physical state of the seal components and feeds this information back to the code generation system. When tampering occurs, the changed resistance value is detected and triggers a change in the identification code, providing immediate feedback about the breach condition.
Solution Approach 2:
The patent performs preliminary action by establishing a baseline resistance value when the seal is first applied to the container. This initial measurement is stored and used for comparison against future measurements, enabling detection of any subsequent changes before the container is opened or tampered with.
3Ease of operation
If electronic identification codes are used, then seal identification is simplified, but the codes can be duplicated or mimicked
Solution Approach 1:
The patent makes the identification code dynamic by linking it to the resistance value parameter of the resistive sensor. Instead of using a fixed electronic code, the system generates codes that change based on the physical state of the seal, making duplication ineffective since the authenticator (resistance value) is tied to the physical object itself.
Solution Approach 2:
The patent introduces the resistive sensor as an intermediary between the physical seal structure and the electronic identification system. This intermediary component translates physical state into electrical resistance values, which then become the basis for generating identification codes, adding a layer of physical verification to the electronic identification process.
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 a secure and efficient means to detect and record tampering attempts, preventing reassembly or duplication of the seal, thereby enhancing container security without increasing inspection times at checkpoints.
Implementation Method 1
at least one non-zero electrical resistor embedded in the mechanical fastener, wherein the non-zero electrical resistor has a resistance value that changes when the mechanical fastener is tampered with
Data Source
AI summary
A tamper-proof bolt-seal incorporating a unique identification tamper detection sensor that cannot be restored or duplicated after the bolt. The sensor employs a resistive sensor wire embedded in the bolt. The resistive sensor wire has a randomized length to enable a unique resistive value for that sensor. The resistive value of the sensor is combined with an electronic identification code to create the unique seal identification for the tamper detection sensor, therefore giving the bolt a seal identification that is unique and that cannot be restored or duplicated.