NFC Contactless Card Control for Multi-Device Smart Homes
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Solution Overview
Problem
Contactless cards have not been integrated into home networks, limiting their functionality in controlling and interacting with smart devices and appliances within a home environment.
Innovation Solution
A home system that includes a central control unit and accessory devices, where a contactless card can transmit instruction signals via NFC protocol to the central control unit, which then instructs other devices to perform specific tasks, such as controlling smart lights, speakers, and vacuums, enabling seamless integration and interaction with various home appliances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If contactless cards are integrated into home networks, then the functionality and versatility of contactless cards are improved, but the device complexity and system integration requirements increase
Solution Approach 1:
The patent introduces a home network system with a central control unit as an intermediary between the contactless card and various home devices. The contactless card communicates with the central control unit, which then coordinates commands to multiple accessory devices, thereby enabling enhanced functionality without directly increasing the complexity of the contactless card itself.
Solution Approach 2:
The contactless card is designed to interface with a universal home network system that can control multiple types of devices (lights, speakers, vacuums, drones). This multi-functional approach allows a single contactless card to interact with diverse devices through a standardized protocol, enhancing versatility while maintaining system manageability.
2Adaptability or versatility
If multiple accessory devices are connected to the home network, then the system versatility is improved, but the difficulty of detecting and measuring system state increases
Solution Approach 1:
The central control unit implements feedback mechanisms to monitor the state of multiple accessory devices and report back to the user through a client device. This feedback system allows the user to detect and measure the operational status of various devices without directly monitoring each device individually, thereby managing system complexity.
Solution Approach 2:
The central control unit serves as an intermediary that consolidates information from multiple accessory devices and presents it in a unified manner to the user. This mediation simplifies system state detection by aggregating data from numerous devices into a single manageable interface.
3Ease of operation
If contactless card controls multiple devices directly, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The patent uses a central control unit as an intermediary that handles the complexity of coordinating multiple devices. The contactless card only needs to communicate with this single intermediary, maintaining ease of operation while the intermediary manages the complexity of device coordination through centralized control logic.
Solution Approach 2:
The system allows users to customize device responses and create automated routines through a client device interface. This self-service capability enables users to program complex device interactions without needing to understand the underlying system complexity, thereby maintaining ease of operation while enabling sophisticated control.
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
Enables seamless control and interaction with smart devices and appliances, enhancing the functionality of contactless cards by allowing them to manage and coordinate tasks within a home network, providing a user-friendly interface for controlling various home systems.
Implementation Method 1
the contactless card can provide the instruction signal to the central control unit, e.g., through NFC protocol
Data Source
AI summary
A home system can include a central control unit, which can be paired with a plurality of accessory devices including a client device. The client device can receive an instruction signal from a contactless card. An application of the client device can process the instruction signal and generate an event signal. The client device can transmit the event signal to the central control unit and the central control unit can transmit a device signal to one or more of the accessory devices. The device signal can instruct the one or more accessory devices to perform one or more tasks.