Rolled Planar Antenna Authentication for Electronic Cigarettes
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Solution Overview
Problem
Electronic cigarettes require authentication of third-party devices with a base element to prevent unauthorized use, but existing solutions are costly and disposable, making them impractical for manufacturers.
Innovation Solution
A cost-effective authentication method using a planar antenna with integrated authentication logic, which is rolled into a cylindrical shape and integrated into the device, enabling inductive coupling with a reader in the base element for authentication via near field communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an authentication element is integrated into the disposable device to enable authentication with the base element, then device authentication capability is improved, but manufacturing cost increases
Solution Approach 1:
The patent implements an authentication element in the form of a disposable device that is discarded after use. The authentication logic is integrated into the device itself, which is then disposed of along with the consumable tobacco or liquid cartridge. This approach allows for reliable authentication while keeping the cost per device low, as the authentication element is designed for single-use rather than being a permanent, expensive component.
Solution Approach 2:
The device structure serves multiple functions: it acts as both the consumable container for tobacco or liquid and as the authentication element. The housing or packaging structure is designed to incorporate the authentication logic without requiring separate dedicated authentication hardware, thereby reducing overall manufacturing cost while maintaining authentication capability.
2Reliability
If a complex authentication system is implemented to prevent third-party device usage, then authentication security is improved, but device complexity increases
Solution Approach 1:
The patent extracts the authentication logic from a complex centralized system and embeds it directly into the simple disposable device structure. Rather than requiring a complex communication protocol or multiple authentication steps, the authentication capability is embedded as a simple, self-contained function within the device housing or packaging, reducing overall system complexity.
Solution Approach 2:
The disposable device performs authentication autonomously through its embedded logic when placed in the base element. The device self-identifies and authenticates itself without requiring complex external verification protocols or user intervention, thereby maintaining high authentication security while keeping the device simple and easy to use.
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 allows for secure and cost-effective authentication of electronic cigarette devices, ensuring only authorized devices can be used, while maintaining the device's functionality and durability.
Implementation Method 1
the authentication can be effected by means of near field communication (NFC)
Implementation Method 2
By means of an inductive coupling to a reader arranged in the base element, the antenna can enable the authentication of the device
Data Source
AI summary
A device for an electronic cigarette. The device includes an enveloping element defining an interior, and an authentication device arranged in or on the enveloping element. The authentication device includes a planar loop antenna, and an authentication logic coupled to the planar loop antenna and configured to provide an authentication of the device vis-à-vis a control element of the electronic cigarette. The planar loop antenna is arranged in rolled form in the interior of the enveloping element or on the exterior of the enveloping element. The loop antenna comprises conduction sections in two opposite regions of the planar loop antenna, which extend in the longitudinal direction of the rolled loop antenna. The conduction sections of the opposite regions are arranged such that they are adjacent or overlap one another, with a result that their respective fields mutually compensate for one another at least partly.