Optical Magnification Reader for Aerosol-Generating Article Authentication
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Solution Overview
Problem
Existing authentication methods for aerosol-generating articles, such as heat-not-burn devices, suffer from low information density and are vulnerable to counterfeiting due to the use of simple optical readers that cannot be placed close to the heater, limiting the complexity and authenticity of the indicia.
Innovation Solution
An aerosol-generating article with a high-density optical reader system that includes an optical magnification system, allowing for the detection of complex indicia with a high density of coded elements, including structural and colored code elements, and a waveguide, which can be placed in proximity to the heater, enhancing authentication and counterfeiting resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a simple optical reader is used to detect indicia, then the device complexity is reduced and ease of manufacture is improved, but the information density and authentication security deteriorate
Solution Approach 1:
The patent transitions from simple 1D/2D barcodes to 3D structural codes with multiple layers and depth variations. The indicium incorporates three-dimensional structural elements that require optical magnification to read, dramatically increasing information density while maintaining manufacturability through conventional printing and structuring techniques.
Solution Approach 2:
The patent changes the physical parameters of the indicium from flat, simple patterns to complex multi-layered structures with varying depths, materials, and optical properties. These parameter changes enable high-density information encoding that can only be read by sophisticated optical magnification readers, thereby preventing counterfeiting while remaining manufacturable.
2Volume of moving object
If the optical reader is placed close to the heater for compact design, then the device volume is reduced, but the detector temperature increases causing damage
Solution Approach 1:
The patent extracts the detector from the high-temperature zone near the heater and places it in a separate, thermally isolated location. The optical magnification system acts as a bridge, allowing the detector to read indicia on the article without being exposed to heater temperatures, thus enabling compact design while protecting the detector.
Solution Approach 2:
The optical magnification system serves as an intermediary between the heater-proximity indicium and the thermally isolated detector. This mediator allows information transfer without direct thermal contact, enabling the detector to be positioned away from heat sources while maintaining reading capability.
3Reliability
If high-density indicia with complex code elements are used, then authentication security is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent uses 3D structural elements and multi-layered indicia designs that encode high-density information through depth, shape, and spatial arrangement rather than simply increasing 2D pattern complexity. This approach enhances authentication security while keeping the manufacturing process relatively straightforward using conventional techniques.
Solution Approach 2:
The patent incorporates colored code elements with specific spectral signatures that are difficult to replicate. The optical magnification reader detects these color properties to verify authenticity, providing an additional security layer that does not significantly increase manufacturing complexity.
4Ease of operation
If classic barcodes are used for indicia, then ease of operation and reading are improved, but vulnerability to counterfeiting increases due to low information density
Solution Approach 1:
The patent evolves from 2D barcodes to 3D structural codes that require optical magnification for reading. While this adds a step in the reading process (using a magnification reader), it dramatically increases information density and makes the indicium much harder to counterfeit, providing a reasonable trade-off for enhanced security.
Solution Approach 2:
The patent changes the physical parameters of the indicium from simple 2D patterns to complex multi-parameter structures involving depth, material composition, color, and spatial arrangement. These parameter changes make the indicium resistant to counterfeiting while maintaining readability through the optical magnification 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 solution provides a robust authentication system capable of reading high-density indicia, improving the recognition and reproduction difficulty, thus enhancing the authenticity and security of aerosol-generating articles while maintaining the detector at a safe temperature.
Implementation Method 1
The optical magnification reader system is configured to illuminate an indicium and to read coded information from the indicium
Implementation Method 2
a waveguide, which can be placed in proximity to the heater
Data Source
AI summary
The present invention relates to an aerosol-generating consumable article comprising at least one indicium containing coded information about the article arranged on a surface of said article. The coded information is implemented in at least one array of readable code elements that are readable upon illumination by an optical magnification reader system, said readable code elements having a density of at least 10 elements per square mm of said indicium. The invention is also related to an aerosol-generating device configured to receive a consumable article. The aerosol-generating device comprises an optical magnification reader system configured to provide an optically magnified image of at least a portion of said indicium on a detector and to read said coded information, to recognize the authenticity of the consumable article.