Shielding Label Blocks RFID Data Exchange
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Solution Overview
Problem
Radio frequency identification (RFID) systems are vulnerable to unauthorized data capture due to the susceptibility of their data to dissemination and capture by external devices, posing a security risk for data protection.
Innovation Solution
A shielding label with a shield layer providing electromagnetic shielding characteristics, combined with a cover layer and a removable adhesive layer, is designed to prevent data exchange between an RFID article and external devices, effectively blocking electromagnetic signals and protecting data from unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If RFID systems use contactless data transmission, then convenience and speed of information collection are improved, but vulnerability to unauthorized data capture increases
Solution Approach 1:
The patent introduces a shielding label as an intermediary component between the RFID article and external devices. This label contains a shield layer with electromagnetic shielding characteristics that blocks unauthorized electromagnetic signals, allowing legitimate RFID communication while preventing unauthorized data capture without affecting the contactless transmission speed
2Reliability
If electromagnetic shielding is implemented to prevent unauthorized access, then data security is improved, but signal interference and communication reliability may worsen
Solution Approach 1:
The shielding label applies electromagnetic shielding locally only where needed - specifically covering the antenna region of the RFID article. The shield layer is positioned to block signals from external devices while allowing legitimate RFID communication to proceed, creating localized protection without causing broad signal interference
Solution Approach 2:
The shielding label provides partial electromagnetic shielding rather than complete isolation. It blocks unauthorized external signals while permitting legitimate RFID communication frequencies to pass through, achieving selective protection that maintains communication reliability while enhancing data security
3Reliability
If shielding materials are applied to RFID articles, then protection against data theft is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The shielding label is constructed as a thin, flexible label that can be easily applied to various RFID articles including cards and tags. The shield layer is integrated into a flexible substrate with adhesive properties, allowing simple application without complex manufacturing processes or specialized equipment
Solution Approach 2:
The shielding label serves multiple functions simultaneously: it provides electromagnetic shielding, acts as a protective layer for the RFID antenna, and can include identification or instructional information on its surface. This multi-functionality reduces the need for additional components and simplifies the overall system
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 shielding label effectively prevents data theft by blocking electromagnetic signals, ensuring secure data protection without requiring direct placement between the RFID article and the external device, and can be easily applied to various RFID articles, including credit cards and identification cards, offering corrosion resistance and ease of removal.
Implementation Method 1
the shield layer provides electromagnetic shielding characteristics so as to prevent the exchange of data between an RFID article adjacent the shielding label and an external device
Data Source
AI summary
Provided is a shielding label comprising: a shield layer; a cover layer disposed on a first side of the shield layer, and a removable adhesive layer disposed on at least a portion of a second side of the shield layer, wherein the shield layer provides electro-magnetic shielding characteristics so as to prevent the exchange of data between an RFID article adjacent the shielding label and an external device when the component is located in the read range of the external device.