Passive RFID Anti-Tampering Assembly with Conductive Track
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Solution Overview
Problem
Existing anti-tampering systems for goods transportation and storage are bulky, costly, and often require complex circuitries and batteries, leading to delayed detection of tampering events and potential security breaches, as well as the risk of exposing security measures during transportation.
Innovation Solution
An anti-tampering system comprising a tampering detection unit with a RFID passive tag and a conductive tampering track that interrupts the RFID tag upon tampering, triggering an alarm unit to send a wireless alert in real-time, using a simple and cost-effective design that inhibits RFID functionality until the package is intact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex sensors and circuitries are used to track brightness and detect tampering, then detection capability is improved, but device complexity and cost increase
Solution Approach 1:
The patent extracts the RFID tag from the complex sensor systems and isolates it as a simple, passive component. By removing the need for complex brightness sensors, batteries, and processing circuitries, the invention achieves tampering detection through the basic presence or absence of the passive RFID tag alone, thereby resolving the contradiction between detection reliability and device complexity
Solution Approach 2:
The patent employs a disposable passive RFID tag that is inexpensive and single-use. Rather than using expensive, reusable active sensors with limited battery life, the invention uses a cheap passive tag that can be discarded after one transportation cycle, eliminating the need for recharging or complex power management while maintaining detection capability
2Reliability
If batteries are used to power active sensors and radio modules, then detection and communication capability is improved, but device weight and energy consumption increase
Solution Approach 1:
The patent removes the battery and all active power-consuming components from the system. By extracting the power source and using only a passive RFID tag that requires no energy, the invention eliminates energy consumption concerns while still enabling detection and alarm functionality through the passive tag's interaction with RFID readers
Solution Approach 2:
The passive RFID tag serves itself by being powered by the electromagnetic field from external RFID readers rather than requiring its own battery. The tag automatically responds to reader queries and can trigger alarms without any active power management, resolving the contradiction between reliable detection and energy consumption
3Productivity
If RFID data are always readable by RFID readers, then tracking capability is improved, but security is worsened due to exposure of security measures
Solution Approach 1:
The patent applies preliminary action by pre-configuring the passive RFID tag to remain in a dormant or inhibited state during normal transportation. The tag is only activated or becomes readable when specific tampering conditions occur, allowing tracking to proceed efficiently when needed while maintaining security secrecy during transit by keeping the security measures hidden
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 system provides timely and reliable tampering alerts, ensuring secure transportation and storage by using a passive RFID tag that remains unreadable until the package is intact, reducing costs and complexity while ensuring immediate intervention in case of tampering.
Implementation Method 1
RFID passive tag
Implementation Method 2
tampering track of a conductive material configured to be connected to the RFID tag upon dispatching the package so as to inhibit the operation of the RFID tag
Data Source
AI summary
It is disclosed an anti-tampering assembly for the transportation and storage of a package, the anti-tampering assembly being configured to be associated with the package. the anti-tampering assembly comprises: a tampering detection unit comprising a RFID passive tag and a tampering track of a conductive material configured to be connected to said RFID tag upon dispatching the package so as to inhibit the operation of the RFID tag, wherein the tampering track is configured to be interrupted in case of tampering of the package; an actuating unit configured to detect the interruption of the tampering track in case of tampering of the package and, upon detection, actuate an alarm unit; and the alarm unit comprising a radio module configured to, upon actuation, transmit an alarm message over a long range wireless communication network.