NFC Card Emulation Switching for Access Control Readers
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Solution Overview
Problem
Existing NFC-enabled electronic devices can only maintain one emulation card active at a time, requiring users to manually switch between different types of NFC emulation cards for various functions, such as access control and transactions, leading to a cumbersome operation process.
Innovation Solution
A method and apparatus that allows a non-access-control-type NFC emulation card to perform data interaction with an access-control-type NFC card reader by using target contactless information carrying a target identification code, enabling automatic switching and activation of access control functions without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If only one emulation card is kept active by default for NFC function, then the system maintains simple state management and clear default behavior, but the user operation process becomes cumbersome when switching between different card types
Solution Approach 1:
The system performs preliminary detection by analyzing the NFC card reader's proximity signal to identify the reader type (access control vs. transaction) before the user completes the operation. This allows the system to pre-activate the appropriate card type automatically, eliminating the need for users to manually switch between card types in the settings menu.
Solution Approach 2:
The NFC system automatically detects the type of card reader through proximity signal analysis and self-adjusts by activating the corresponding card type without user intervention. The system serves itself by making intelligent decisions about card activation based on real-time detection of the external reader environment.
2Adaptability or versatility
If the system uses the currently active emulation card for all NFC interactions, then the default behavior is simple and predictable, but it fails to adapt when the active card type does not match the required function
Solution Approach 1:
The system establishes a feedback loop where the NFC module continuously monitors proximity signals from card readers, analyzes the reader type, and automatically adjusts the active card state accordingly. This real-time feedback mechanism enables the system to adapt to different usage scenarios without manual intervention.
Solution Approach 2:
The NFC card activation state transitions from a static configuration to a dynamic state that automatically adjusts based on real-time detection of the external environment. The system can switch between different card types (access control vs. transaction) depending on the detected reader type, making the activation state flexible and context-dependent.
3Productivity
If manual activation of access control card is required, then the system maintains clear card type separation and security control, but the operation process becomes multi-step and cumbersome
Solution Approach 1:
The system skips the intermediate step of manual card switching by directly detecting the reader type through proximity signal analysis and immediately activating the appropriate card. This eliminates the multi-step process of opening settings, selecting card type, and confirming activation, reducing the operation to a single intuitive gesture.
Data Source
AI summary
A near field communication NFC communication method and apparatus, and an electronic device are provided. The method includes: receiving a first signal sent by an NFC card reader; and in response to the first signal, performing data interaction with the NFC card reader using target contactless information in a case that a first NFC emulation card is in an active state; where the first NFC emulation card is a non-access-control-type NFC emulation card, and the target contactless information carries a target identification code corresponding to an access-control-type target NFC emulation card.