Wireless Biometric Door Lock Using Mobile Device Authentication
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Solution Overview
Problem
Biometric door lock systems are expensive and difficult to install, especially on vehicles, due to the need for additional biometric sensors and considerations for water protection and varying installation heights and angles, which limits their adoption.
Innovation Solution
A biometric door lock controlling system that uses a mobile device carrier for wireless communication with a door lock controlling device, eliminating the need for additional biometric sensors by using existing mobile device biometric modules for authentication and transmitting encrypted control signals to actuate locking or unlocking via various communication protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If biometric sensors are installed on door lock devices, then biometric authentication capability is improved, but installation cost and device complexity increase significantly
Solution Approach 1:
The patent extracts the biometric authentication function from the door lock device itself and relocates it to the user's mobile device. The door lock only retains the wireless communication and actuation functions, while the mobile device carries the biometric module, creating a separate authentication component that simplifies the lock's structure and installation.
Solution Approach 2:
The patent introduces a wireless communication module as an intermediary between the biometric authentication (performed on the mobile device) and the door lock actuation. This intermediary enables the separation of authentication and locking functions while maintaining their coordinated operation through wireless signal transmission.
2Reliability
If biometric sensors are installed on door lock devices, then biometric authentication capability is improved, but material cost and installation expense increase
Solution Approach 1:
The patent extracts the expensive biometric sensor from the door lock assembly and places it in the user's existing mobile device, eliminating the need to purchase and install separate biometric hardware for the lock. This extraction removes the primary cost driver while preserving the authentication capability.
Solution Approach 2:
The patent leverages the universal presence of mobile devices in modern society, which already contain biometric authentication capabilities. By utilizing this existing universal platform, the system avoids duplicating expensive hardware while achieving the same security function across multiple users and locations.
3Reliability
If facial or iris recognition devices are installed on vehicles, then biometric authentication capability is improved, but installation difficulty and cost increase due to confined spaces and varying installation requirements
Solution Approach 1:
The patent extracts the biometric authentication function from the vehicle door lock system and relocates it to the driver's mobile device. This eliminates the need to physically install sensors in the confined and varying spaces of vehicle doors, thereby simplifying installation while maintaining authentication capability.
4Reliability
If biometric sensors are installed on exterior door lock devices, then biometric authentication capability is improved, but water protection and sensor reliability deteriorate due to environmental exposure
Solution Approach 1:
The patent extracts the biometric sensor from the exterior door lock environment and relocates it to the protected interior of the user's mobile device. This relocation removes the sensor from exposure to water, dust, and other environmental harmful factors while maintaining authentication functionality.
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 reduces installation costs and complexity, provides enhanced anti-theft protection, and allows remote control of door locks, while concealing the sensor location, thus improving security and usability.
Implementation Method 1
a communication circuit module (16) connected to the control circuit module (14), wherein the communication circuit module (16) performs handshakes through wireless transmission using at least one communication protocol selected from the group consisting of Wi-Fi, Li-Fi, Bluetooth, Wireless USB, NFC, RFID, TransferJet, DSRC, EnOcean, ZigBee, UWB, GSM and WiMAX
Data Source
AI summary
A wireless door lock device and a biometric door lock controlling system are provided. The biometric door lock controlling system includes: a door lock controlling device and a mobile device carrier in wireless transmission communication therewith. The door lock controlling device includes a power supply module, a control circuit module, a communication circuit module, a drive circuit module and a drive motor. The mobile device carrier is installed with an application, a biometric module and an application communication module. After a wireless handshake is established between the application communication module and the communication circuit module and the biometric module authenticates a biometric identifier, an encrypted control signal including a lock or unlock instruction is transmitted by the application communication module via the communication circuit module to the control circuit module for the control circuit module to actuate the drive motor through the drive circuit module to perform locking or unlocking.