Tamper-Evident RFID Loop Tag for Plant Container Authentication
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Solution Overview
Problem
Existing RFID label tags for plant containers are vulnerable to tampering, lacking visible proof of damage upon removal, which compromises their authenticity.
Innovation Solution
The RFID label tag incorporates a metal antenna integrated into the loop, transparent housing parts with readable codes, and tamper-proof mechanisms such as rupture lines and clamping buttons to ensure visible damage upon attempted removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the RFID label tag is made removable for convenience, then ease of operation is improved, but reliability is worsened due to undetected tampering
Solution Approach 1:
The patent uses visual indicators including transparent housing parts that reveal underlying patterns, color-coded security elements, and visible damage indicators that change appearance when tampered with, allowing immediate detection of unauthorized removal attempts
Solution Approach 2:
The patent introduces intermediate visual indicator elements between the housing and antenna components, such as transparent windows revealing security patterns, foil layers with hidden information, and mechanical indicators that provide visible proof of tampering status
2Reliability
If the RFID label tag is made secure against tampering, then reliability is improved, but ease of operation is worsened due to difficult removal
Solution Approach 1:
The patent divides the RFID label tag into separate components including housing parts, antenna elements, and security indicators that can be individually assessed for tampering, allowing legitimate removal while detecting unauthorized attempts
Solution Approach 2:
The patent pre-configures the label tag with visible security indicators and tamper-evident features before deployment, so that any attempt at unauthorized removal automatically creates visible evidence of tampering
3Quantity of substance
If the antenna is made of metal for better RFID performance, then electrical conductivity is improved, but object-generated harmful factors are worsened due to visible damage from tampering
Solution Approach 1:
The patent merges the metal antenna with non-metallic housing materials and visual indicator elements, creating a composite structure where the metal provides RFID functionality while surrounding materials provide tamper evidence and protection
Solution Approach 2:
The patent uses composite construction combining metal antenna elements with plastic housing, transparent windows, foil layers, and other materials to achieve both electrical conductivity for RFID operation and visible tamper evidence capabilities
4Measurement precision
If the housing is made transparent to show codes, then measurement precision is improved for code reading, but strength is worsened due to reduced protection
Solution Approach 1:
The patent applies transparency locally only in specific housing areas where code display is needed, while other portions of the housing remain opaque and reinforced for structural protection and tamper resistance
Data Source
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AI summary
A RFID label tag (1) for authentication of a plant container comprising a loop (2) that is dimensioned to snugly fit around a part of the plant container, said RFID label tag (1) comprising further a RFID chip housing (3) connected to the loop (2), said RFID chip housing (3) comprising an antenna (4), and wherein the RFID label tag (1) comprises a pre-mounted form and a mounted form, wherein in the pre-mounted form the loop (2) is open to receive a part of the plant container and wherein the RFID chip housing (3) comprises two housing parts (5, 6) that are connected to the loop (2) on opposite sides thereof, and wherein in the mounted form the two housing parts (5, 6) are joined together to close the RFID chip housing (3) and to close the loop (2) which is arranged to snugly fit around the part of the plant container, and that the loop (2) forms part of the antenna (4).