Visitor Security Management Using Segmented RFID Access Control
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Solution Overview
Problem
Current security systems in facilities with multiple visiting destinations, such as apartment buildings or research facilities, do not effectively prevent visitors from accessing unintended dwelling units, compromising security.
Innovation Solution
A security management apparatus that includes an acquiring unit to gather visitor information, an issuing unit to generate a portable medium with distinguishing images, and a warning unit to alert visitors if their stay permitted time has elapsed, using RFID technology and network connectivity to manage access and alert systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a visitor is allowed to access multiple dwelling units for convenience, then visitor mobility is improved, but security is worsened because the visitor may access unintended destinations
Solution Approach 1:
The portable medium is segmented into multiple page areas, with each page area storing access permission information for a specific dwelling unit. This allows the visitor to have access to multiple dwelling units while maintaining security through destination-specific permission validation at each unit's terminal
Solution Approach 2:
The access control system implements feedback by having each dwelling unit terminal read the portable medium and verify whether the visitor is permitted to access that specific unit. The terminal provides feedback by either allowing access or preventing access based on the verification result, ensuring security while maintaining visitor mobility
2Reliability
If access permission information is stored centrally in a server, then security management is improved, but system complexity is worsened
Solution Approach 1:
Access permission information is extracted from the central server and stored directly on the portable medium in a distributed manner. Each page area on the portable medium contains permission information for specific dwelling units, eliminating the need for continuous server communication and reducing system complexity while maintaining security management
Solution Approach 2:
The portable medium serves multiple functions: it stores visitor information, contains access permission information for multiple dwelling units, and can be read by any dwelling unit terminal. This multi-functionality reduces the need for additional centralized systems while maintaining security management
3Loss of information
If a portable medium contains detailed visitor information, then information availability is improved, but medium capacity requirements are worsened
Solution Approach 1:
The portable medium is divided into multiple page areas, with each page area containing specific types of information such as visitor information, dwelling unit information, and access permission information for particular units. This segmentation allows efficient storage and targeted retrieval of information without requiring large overall medium capacity
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
Enhances security by ensuring visitors only access intended destinations and prevents unauthorized access, improving facility security through efficient visitor management and alert systems.
Implementation Method 1
the stay permitted time read by the RFID reader in a noncontact manner
Data Source
AI summary
A security management apparatus includes a receiver, a printer, and a notifier. The receiver acquires, at an entrance of a facility, information about a visitor to a visiting destination of the facility. The information includes a stay permitted time at the visiting destination and at least one of an attribute, relation information, or a visiting purpose. The printer generates a portable medium that includes the information and the stay permitted time and records an image allowing distinguishing of content of the information. The notifier is configured to receive the stay permitted time from one or more readers disposed at the facility and is configured to read the stay permitted time from the portable medium in a noncontact manner. The notifier, in response to the stay permitted time being elapsed, warns the visitor who passes a disposition position of the one or more readers.


