Holographic Security Element with Machine-Readable Pattern Encoding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current security elements, such as ID cards and passports, face challenges in protecting individualizing information from forgery and manipulation, especially when holograms are flat and difficult to capture and verify using electronic methods.
Innovation Solution
A security element is developed with a hologram that encodes security information in a machine-readable pattern, allowing for easy and reliable verification by extracting and comparing coded information, which can be encrypted using asymmetric encryption, enhancing protection against counterfeiting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a hologram is used as a security feature to protect against counterfeiting, then protection against forgery is improved, but the complexity of verification processes increases when the hologram is flat and difficult to capture
Solution Approach 1:
The hologram is segmented into multiple machine-readable patterns (e.g., QR codes, barcodes) that can be individually captured and verified by electronic devices. This segmentation allows flat holograms to be divided into discrete, verifiable units, reducing the complexity of verification while maintaining security.
Solution Approach 2:
The patent replaces complex mechanical verification processes with electronic verification systems. By encoding holographic information into machine-readable patterns, the verification process transitions from requiring physical capture and analysis of the hologram to electronic reading and validation of the encoded patterns, significantly simplifying the verification mechanism.
2Ease of operation
If holographic information is stored in a machine-readable pattern, then ease of verification is improved, but the manufacturing precision requirements increase
Solution Approach 1:
The patent changes the representation parameters of holographic information by encoding it into standardized machine-readable patterns such as QR codes or barcodes. This parameter transformation allows the information to be verified using simple electronic readers while maintaining the security benefits of holographic encoding, thereby reducing manufacturing precision requirements compared to traditional holographic methods.
3Reliability
If asymmetric encryption is used to encode security information, then protection against counterfeiting is improved, but the device complexity increases
Solution Approach 1:
The patent uses asymmetric encryption to create a mathematical copy of the security information that can be verified without possessing the original. The public key allows anyone to verify the encoded information, while the private key remains secret for encoding. This copying mechanism provides strong security protection while keeping the system relatively simple, as verification only requires the public key rather than complex decryption processes.
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 robust protection against forgery by enabling easy verification of encoded information, preventing counterfeiting through secure encoding and decoding processes, and ensuring the authenticity of security elements.
Implementation Method 1
A hologram refers to the storage of information in structures whose characteristic size and/or spacing are within the wavelength range of light
Implementation Method 2
Light here refers not only to visible light, but also to electromagnetic radiation in adjacent wavelength ranges such as the infrared and UV wavelength ranges
Implementation Method 3
Volume holograms, for example, are characterized by their high angular and wavelength selectivity with regard to reconstruction. This means that the direction from which the reconstruction light must be irradiated for reconstruction, as well as its wavelength, are highly restricted or precisely defined
Implementation Method 4
a modulation device, a so-called spatial light modulator (SLM), in particular a liquid crystal display (LCD) or an LCoS (Liquid Crystal on Silicon), is available to modulate the coherent laser radiation
Implementation Method 5
This document describes a device for producing volume holograms from a master hologram of a ground glass screen, recorded at one or more wavelengths and one or more reference angles. Using the master hologram of the ground glass screen, stereoscopic and colored individual holograms can be produced using the contact printing process. The described device has a laser radiation source for irradiating a master hologram
Data Source
Figure 1~6
Figure 2~3
Figure 4~5
AI summary
The invention relates to a security element (1) comprising a data carrier (5) with a detectable first security feature (310) in which first information is stored, and the data carrier (5) comprising a storage layer (511) in which at least one second detectable security feature (320) is holographically stored, wherein the second security feature (320) stores second information that can be derived from the first information, the second information being a machine-readable pattern (250). The invention further relates to a method for manufacturing such a security element (1), a verification method, and a verification device (1300).