Aerosol Provision Device With NFC Pack Verification and Usage Counting
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Solution Overview
Problem
There is a need for improved control mechanisms in aerosol provision devices, such as tobacco heating devices, to manage the usage of aerosol generating articles efficiently and ensure proper activation and deactivation based on the number of articles remaining.
Innovation Solution
Incorporating a near-field communication (NFC) reader and controller in the aerosol provision device to read an NFC tag on a pack containing aerosol generating articles, initializing a counter based on the number of articles, decrementing it with each use, and deactivating the device when all articles are used, while maintaining the NFC reader functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the device is continuously activated to ensure availability, then user convenience is improved, but energy consumption and unauthorized use increase
Solution Approach 1:
The NFC reader continuously monitors for the presence of a pack with articles in a low-power state, preparing the device for immediate activation when articles are detected, rather than requiring full continuous operation
Solution Approach 2:
The device automatically activates and deactivates based on detection of the pack and articles through NFC communication, eliminating the need for manual user intervention to control device state
2Ease of operation
If the device remains active to allow quick access, then ease of use is improved, but unauthorized use and waste increase
Solution Approach 1:
The NFC reader provides continuous feedback about the presence and status of articles in the pack, enabling the controller to adjust device activation state based on real-time article availability information
Solution Approach 2:
The NFC tag acts as an intermediary carrier that stores article information and communicates pack status to the device, enabling reliable verification before activation
3Device complexity
If manual monitoring of article usage is required, then device complexity is reduced, but loss of time and productivity decrease
Solution Approach 1:
The controller automatically tracks article usage by decrementing the counter based on NFC communications with the pack, eliminating the need for manual user monitoring of article consumption
Solution Approach 2:
The system provides automatic feedback through the NFC counter mechanism, continuously updating article status without requiring user intervention or manual tracking
4Use of energy by moving object
If the NFC reader is deactivated with the device to save energy, then energy consumption is reduced, but ability to detect new packs decreases
Solution Approach 1:
The NFC reader is positioned to enable automatic detection when a pack is brought near the device, preparing the system for immediate recognition without requiring continuous active scanning
Solution Approach 2:
The NFC reader operates in a dynamic state, switching between low-power monitoring and active reading modes based on the proximity and presence of a pack, optimizing energy consumption while maintaining detection capability
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
Ensures efficient management of aerosol generating articles by activating the device only when new articles are present and deactivating it when they are exhausted, providing a seamless user experience and preventing unauthorized use.
Implementation Method 1
a near-field communication reader configured to read a near-field communication tag of a pack
Data Source
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AI summary
An aerosol provision device is described comprising a near-field communication reader and a controller. The reader is for reading a near-field communication tag of a pack, wherein the pack is configured to contain a plurality of aerosol generating articles for use in the aerosol provision device. The controller activates the aerosol provision device based on an identifier provided by the near-field communication tag, initialises a counter of said controller based on the number of articles as indicated by the near-field communication tag, decrements the counter following use of each article of the plurality, and de-activates the aerosol provision device when the counter indicates that all articles have been used.