RF-Activated Lamination Security Feature for Hidden Data Verification
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Solution Overview
Problem
Existing security documents lack an effective and easily verifiable security feature that can securely store individualizing information and prevent counterfeiting.
Innovation Solution
A lamination body with an integrated antenna structure and light source that emits light in response to electromagnetic radiation, activating a security feature that switches between detectable and concealed states, allowing information to be stored and verified using high-frequency electromagnetic radiation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional security features are used in lamination bodies, then verification can be performed, but the features are easily imitated or replicated by counterfeiters
Solution Approach 1:
The patent applies parameter changes by utilizing luminescent materials that change their optical properties when exposed to specific wavelengths of light. The security feature transitions between visible and invisible states based on light excitation, creating a dynamic verification mechanism that is difficult to replicate. This involves changing the physical state (luminescence) of the material in response to external stimulation.
Solution Approach 2:
The patent introduces an intermediary verification mechanism using luminescent materials that require specific light excitation to become visible. This intermediary step (light excitation followed by luminescence emission) creates an additional layer of verification that goes beyond simple visual inspection, making counterfeiting more difficult while maintaining ease of verification for authorized users.
2Reliability
If security features require tools for verification, then counterfeiting is prevented, but verification becomes more complex and time-consuming
Solution Approach 1:
The patent implements self-service verification by using luminescent materials that automatically emit light when exposed to common light sources (such as UV light or even smartphone flashlights). The security feature verifies itself without requiring complex external equipment - the luminescent material activates and deactivates on its own in response to light exposure, allowing anyone with a simple light source to perform verification.
Solution Approach 2:
The verification process utilizes periodic action by repeatedly exposing the security feature to light excitation. The luminescent material is activated and deactivated in cycles, creating a dynamic verification pattern that is easy to observe and verify. This periodic activation/deactivation provides clear visual feedback during verification while maintaining simplicity.
3Reliability
If individualizing information is integrated into security features, then document authenticity is enhanced, but the information becomes vulnerable to detection or tampering
Solution Approach 1:
The patent extracts the individualizing information from the visible domain and places it in the luminescent domain. The information is embedded within the luminescent material, making it invisible under normal lighting conditions and only extractible (visible) when the material is excited by appropriate light wavelengths. This separation protects the information from casual observation and tampering.
Solution Approach 2:
The patent applies local quality by creating specific regions within the lamination body that possess luminescent properties. The individualizing information is localized within these luminescent regions, which have different optical characteristics from the surrounding material. This localized luminescence allows the information to be concealed in specific areas while maintaining overall document integrity.
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 reliable and simple method to verify the authenticity of security documents by switching a security feature between detectable and concealed states, ensuring secure storage and easy verification of individualizing information.
Implementation Method 1
An antenna structure for receiving electromagnetic high-frequency radiation, at least one light source coupled to the antenna structure which can be brought into an active state by means of a current induced into the antenna structure via the electromagnetic high-frequency radiation
Implementation Method 2
The safety feature comprises luminescent means that can be at least partially excited by the light emitted in the active state of the at least one light source
Data Source
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AI summary
The invention relates to a lamination element (100) comprising an antenna structure (300) for receiving electromagnetic high-frequency radiation; at least one lighting means (400) which is coupled to the antenna structure (300) and which can be set to an active state by a current induced in the antenna structure (300) via the electromagnetic high-frequency radiation, said at least one lighting means (400) emitting light in the active state and not emitting light in a passive state; and an individualizing or individualizable security feature which is designed or can be designed with a detection state and a concealed state, wherein in the detection state, individualizing information of the security feature is optically detectable, and in the concealed state, individualizing information cannot be optically detected or can only be optically detected with difficulty. The at least one lighting means (400) is designed and arranged such that changing from the passive state to the active state, or vice versa, of the at least one lighting means (400) causes a changeover between the concealed state and the detection state.