Smart Lock Device Using NFC Identification and Local Camera Recording
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Solution Overview
Problem
Existing security systems for homes and commercial properties face vulnerabilities due to reliance on cabled connections, which are difficult to install and can be compromised by internet disruptions, and require continuous energy consumption, leading to unreliable operations and high network load.
Innovation Solution
An intelligent door lock system that uses near field communication (NFC) via RF protocols like Zigbee, Bluetooth low energy, Wi-Fi, or IEEE 802.15.4 to identify lock devices, coupled with a camera that records door lock status, allowing for secure and energy-efficient operation independent of internet connectivity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cabled connections are used for security systems, then internet connectivity and data transmission are achieved, but installation difficulty increases and vulnerability to internet disruptions occurs
Solution Approach 1:
The patent replaces physical cabled connections with wireless communication technologies (WiFi, Bluetooth, Zigbee) to eliminate the mechanical/physical infrastructure requirements. This substitution removes cables, connectors, and routing infrastructure while maintaining data transmission capabilities, thereby improving installation ease without sacrificing system reliability.
2Ease of operation
If continuous internet access is required for security systems, then remote monitoring and control are enabled, but energy consumption increases and network load becomes excessive
Solution Approach 1:
The patent implements periodic or event-driven communication instead of continuous internet connectivity. The lock device communicates with the server only when specific events occur (lock/unlock actions, battery status changes, error conditions) or at scheduled intervals, rather than maintaining constant network connection. This reduces energy consumption and network load while preserving remote monitoring capabilities through the mobile application.
Solution Approach 2:
The lock device includes local processing capabilities and can operate autonomously without continuous internet access. It can perform authentication, logging, and basic security functions locally, only requiring network connectivity when data synchronization or remote control is needed. This self-service approach reduces dependency on continuous network connection and minimizes energy consumption.
3Productivity
If multiple cameras are connected via cabling, then video capture capability is achieved, but installation complexity and network load increase
Solution Approach 1:
The patent replaces physical video cabling with wireless communication for camera connectivity. Cameras can transmit video data wirelessly to the central processing unit or directly to mobile devices, eliminating the need for complex cable routing and physical connections while maintaining multi-camera video capture capabilities.
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
The system provides a secure and reliable door locking solution with reduced energy consumption and improved installation ease, as it can function without continuous internet access and minimizes network load, enhancing security and operational efficiency.
Implementation Method 1
Near field communication (NFC) is used to identify a lock device via an RF protocol
Data Source
AI summary
An intelligent door lock system is coupled to a door at a dwelling. A door status device is at the dwelling. The door status device is coupled to a drive shaft of a lock device to assist in locking and unlocking a lock of a lock device at the door. The lock device is coupled to the door status device and includes a bolt. Near field communication (NFC) is used to identify a lock device via an RF protocol. An engine, an energy source and a memory are coupled together. A camera is coupled to or part of the intelligent door lock system. The camera is configured to record in response to door lock status.