Internal Illumination for Aerosol Article Authentication
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Solution Overview
Problem
Existing heat-not-burn devices face challenges in accommodating optical components due to limited space, making it difficult to read optically encoded indicia on aerosol-generating articles, which are prone to reproduction and require external light sources for illumination.
Innovation Solution
An aerosol-generating device with an optical light source extending into the cavity to penetrate the consumable portion of the article, allowing for internal illumination and reducing the need for external light sources, using waveguides and various illuminating tips to provide flexible and secure authentication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If external light sources are used to illuminate indicia on aerosol-generating articles, then the indicia can be read for authentication, but the device requires more space and external components
Solution Approach 1:
Instead of illuminating the indicia from the outside of the article, the patent inverts the illumination approach by placing the light source inside the cavity where it illuminates the indicia from within the article structure. This internal illumination eliminates the need for external light sources and simplifies the optical system arrangement.
Solution Approach 2:
The patent transitions from a two-dimensional external illumination approach to a three-dimensional internal illumination approach by placing the light source within the cavity space, allowing light to penetrate and illuminate indicia from multiple angles and depths within the article structure.
2Ease of manufacture
If simple light sources such as LED are used to illuminate indicia, then the device is easier to manufacture, but the indicia become prone to reproduction
Solution Approach 1:
The patent applies different optical properties to different parts of the indicium structure. Certain regions of the indicia are designed with specific optical characteristics that respond differently to the internal light source, creating a complex light interaction pattern that is difficult to reproduce but maintains manufacturing simplicity.
Solution Approach 2:
The indicia utilize optical effects including color changes and light scattering properties that vary across different regions. These optical variations create a visually complex authentication pattern that is difficult to replicate, while the underlying structure remains compatible with simple LED light sources for illumination.
3Measurement precision
If optically readable indicia are placed on aerosol-generating articles, then authentication can be performed, but the indicia require external light sources that are difficult to accommodate in compact devices
Solution Approach 1:
The patent merges the illumination function with the existing cavity structure of the heat-not-burn device. The light source is integrated into the cavity space, combining the authentication illumination function with the article receiving chamber, thereby eliminating the need for separate external light source components.
Solution Approach 2:
The cavity structure itself serves dual purposes: it accommodates the aerosol-generating article and simultaneously houses the light source for indicia illumination. The existing device geometry is utilized to provide the illumination function without requiring additional external components or increasing device footprint.
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
This solution enables secure and flexible authentication of aerosol-generating articles within the device, making it difficult to reproduce the indicia and improving compatibility without adding bulk to the device.
Implementation Method 1
an optical light source extending in said cavity from an end thereof, opposite said opening, such that said light source penetrates said consumable portion of the aerosol-generating article upon insertion thereof in said cavity
Data Source
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AI summary
The present invention relates to an aerosol-generating system (100, 1), aerosol-generating device (100), and aerosol-generating article (1). The device (100) comprises an optical light source extending in a cavity (112). The aerosol-generating device (100) comprises an optical reader system configured to read the at least one indicium (10, 10', 12, 12') upon illumination of an authentication portion (1c) of an aerosol-generating article (1) from inside the consumable segment. The aerosol-generating device (100) comprises a control unit configured to authenticate the article upon reading of said indicium (10). The aerosol-generating (1 article (1) comprises a consumable segment (1b) that comprises a charge of aerosol-generating material (11) and a mouthpiece segment (1a) attached at a first end of the consumable segment. At least one indicium (10, 10', 12, 12') is arranged in at least an authentication 15 portion (1c) of said aerosol-generating article (1), said authentication portion (1c) being at least partially transparent to light having a wavelength of between 200nm and 10µm, such that said indicium (10, 10', 12, 12') is readable with an optical reader system upon illumination with light from inside consumable portion (1b).