RFID Motion Sensor Integration for Unaccompanied Person Detection
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Solution Overview
Problem
Existing security systems fail to quickly and accurately detect individuals without proper authorization in restricted areas, particularly when they are not accompanied by an authorized person, necessitating a mechanism to promptly identify and address unauthorized access.
Innovation Solution
A method utilizing RFID devices and motion detectors to scan for authorized personnel and determine if an unaccompanied individual is present, employing computer-usable program code to analyze positional and motion parameters to verify companionship, and initiate corrective actions when necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If RFID badges are scanned to verify authorization, then access control reliability is improved, but the system cannot detect unaccompanied unauthorized persons without additional sensors
Solution Approach 1:
The patent combines RFID scanning capability with motion detection capability into a single integrated security device. The RFID antenna and motion sensor are merged in one unit, allowing simultaneous verification of authorization status and detection of unaccompanied persons without requiring separate systems.
Solution Approach 2:
The security device performs multiple functions: it scans RFID badges to verify authorization, detects motion in the area, determines spatial relationships between persons, and triggers alerts. This multi-functional approach eliminates the need for separate RFID readers and motion sensors.
2Measurement precision
If motion sensors are added to detect unaccompanied persons, then detection capability is improved, but energy consumption increases
Solution Approach 1:
The motion sensor operates in periodic detection cycles rather than continuously. The system scans for motion at intervals, triggering full analysis only when motion is detected, which significantly reduces energy consumption compared to continuous monitoring while maintaining detection capability.
Solution Approach 2:
The system uses the motion sensor data to automatically determine when unauthorized persons are present and unaccompanied, then self-triggers the alert mechanism without requiring constant human supervision or additional power-intensive processing.
3Measurement precision
If multiple sensors are integrated to determine spatial relationships, then detection accuracy is improved, but device complexity increases
Solution Approach 1:
The determination of spatial relationships is segmented into distinct analytical steps: first detecting motion, then identifying the number of persons, then determining their relative positions, and finally evaluating accompaniment status. This stepwise segmentation simplifies the overall complexity compared to attempting simultaneous multi-parameter analysis.
4Speed
If continuous monitoring is implemented to quickly detect unauthorized persons, then response time is improved, but energy consumption increases
Solution Approach 1:
The system implements periodic scanning of the monitoring area using the motion sensor, combined with RFID scanning triggered by motion detection. This approach maintains rapid response capability by being ready to detect and respond to unauthorized persons while consuming far less energy than truly continuous monitoring would require.
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 rapid detection and response to unauthorized individuals in secure areas, ensuring appropriate actions are taken to maintain access control and security, enhancing the efficiency of security protocols in environments like hospitals and retail establishments.
Implementation Method 1
Radio frequency identification (RFID) is an automatic identification method wherein data is selectively stored and remotely retrieved, by using devices that are variously known as RFID tags, badges or transponders
Implementation Method 2
a motion detector is provided which senses the presence of a person in the area
Data Source
AI summary
Embodiments of the invention are generally directed to controlling access to an area or enclosed location, wherein any person in possession of a specified RFID badge or other RFID device is defined to be a person who is authorized to be in the area or location. One embodiment, directed to a method, includes the step of detecting the presence of a particular person in the area, who is not in possession of a specified RFID device. In response to detecting the presence of the particular person, a search is initiated to determine whether any authorized person is present in the area. Upon sensing the presence of one or more authorized persons in the area, the method further determines whether any of the sensed authorized persons is accompanying the particular person. In response to determining that no authorized person is accompanying the particular person, prespecified corrective action is initiated with respect to the particular person.