Bluetooth Access Control with Visual Identification
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Solution Overview
Problem
Existing access control systems are complex, costly, and vulnerable to cyberattacks, requiring extensive cabling, dedicated user support, and central computer intervention for each locking device, with high energy consumption and risk of electromagnetic interference.
Innovation Solution
A Bluetooth-based radioelectric system with visual identification codes and Bluetooth Low Energy (BLE) signals for short-range communication, eliminating the need for direct central computer interaction and cabling, using portable transceivers with microprocessors and optical readers to manage access rights independently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a central computer with dedicated wireless communication is used to manage access control, then security and centralization are improved, but device complexity, vulnerability to cyberattacks, and power consumption increase
Solution Approach 1:
The patent extracts the access control functionality from the central computer and relocates it to the portable transceiver. The transceiver stores access rights locally and autonomously determines authorization, eliminating the need for continuous central computer intervention and dedicated wireless communication infrastructure. This extraction reduces device complexity while maintaining security through distributed authentication.
Solution Approach 2:
The portable transceiver performs self-service by autonomously managing access control decisions. It locally stores authorized user information, independently verifies access requests, and controls locking devices without requiring real-time central computer processing. This self-service approach reduces dependency on complex centralized systems and minimizes wireless communication requirements.
2Ease of operation
If dedicated wireless communication channels are established for each locking device, then access control functionality is improved, but power consumption and vulnerability to cyberattacks increase
Solution Approach 1:
The system performs preliminary action by pre-loading access control data and authentication information into the portable transceiver before use. The transceiver stores a copy of access rights information locally, enabling it to make authorization decisions without establishing continuous wireless communication with the central computer. This preliminary data loading eliminates the need for persistent power-intensive wireless connections.
3Measurement precision
If identification media are programmed for each user, then access control precision is improved, but initial investment cost and operating costs increase
Solution Approach 1:
The portable transceiver serves multiple functions: it acts as an identification medium, an authentication device, and a communication interface. Instead of requiring separate programmed identification cards for each user, the system uses a universal transceiver that stores access control data locally. This multi-functionality reduces the need for expensive dedicated identification media while maintaining precise access control through local authentication.
4Adaptability or versatility
If a large number of wireless signals are transmitted for access verification, then access control coverage is improved, but electromagnetic interference and system complexity increase
Solution Approach 1:
The patent extracts the signal transmission function from the locking device and relocates it to the portable transceiver. The transceiver generates and transmits authentication signals locally without requiring continuous communication with the central computer or other locking devices. This extraction minimizes the number of wireless signals in the environment while maintaining comprehensive access control coverage through distributed authentication.
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
Simplifies access control management, reduces costs and energy consumption, enhances security by minimizing wireless signals and eliminating reliance on central computer intervention, and allows easy installation and extension of the system.
Implementation Method 1
said visual identification code of a locking device is read by said optical reader
Implementation Method 2
its Bluetooth transmitter emits an opening signal, which, after being received by said Bluetooth receiver of said locking device
Data Source
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AI summary
Radio-electric access control system (1), comprising locking devices (10), portable transceivers (20) and a remote central computer (40), characterized in that: - each locking device (10) has a unique visual identification code (11) and a Bluetooth receiver (12) configured to communicate with said portable transceivers (20), - each portable transceiver (20) has a microprocessor (24) configured to communicate with an optical reader (21), a Bluetooth transmitter (22) and a memory unit (23) located in said transceiver (20), said portable transceiver (20) being configured to communicate wirelessly with said remote central computer (40) and with the Bluetooth receiver (12) of said locking devices (10),said system (1) being configured to perform a process in which: - said visual identification code (11) of a locking device (10) is read by said optical reader (21), - said portable transceiver checks whether it is authorized to unlock said locking device (10), - if the portable transceiver (20) determines that it has this authorization, its Bluetooth transmitter (22) emits an opening signal, which triggers the unlocking of said locking device (10).