Biothermal RFID Tag With Integrated Temperature Data Logging
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Solution Overview
Problem
Existing temperature monitoring methods in RFID tags are inefficient and lack integration with advanced temperature sensing technology, leading to manual checks and separate data collection systems, which are prone to errors and resource wastage.
Innovation Solution
Integration of a temperature sensor into RFID tags with a novel 64-bit code structure that includes a microchip, antennas, and security features, enabling real-time temperature monitoring and data logging, compatible with existing RFID systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional standalone temperature sensors are used with separate data collection systems, then temperature monitoring capability is provided, but system complexity increases and manual checks are required
Solution Approach 1:
The patent combines the temperature sensor, RFID tag, and data storage capabilities into a single integrated device. The temperature sensor is embedded within the RFID tag structure, eliminating the need for separate standalone sensors and independent data collection systems. This integration merges multiple functions (temperature sensing, wireless communication, data storage) into one unified device, reducing system complexity while maintaining monitoring reliability.
Solution Approach 2:
The RFID tag is designed to perform multiple functions: it serves as both an identification tag and a temperature sensor housing. The same device that provides RFID communication also contains the temperature sensing element and storage capacity for temperature data. This multi-functionality eliminates the need for separate dedicated temperature monitoring equipment, simplifying the overall system architecture.
2Productivity
If manual temperature checks are performed, then temperature data can be collected, but errors increase and resources are wasted
Solution Approach 1:
The integrated RFID temperature sensor device performs automatic self-monitoring and self-recording of temperature data. The device autonomously senses temperature, stores the data in its memory, and transmits it wirelessly without requiring manual intervention. This self-service capability eliminates human error associated with manual checks and optimizes resource utilization by automating the entire data collection process.
Solution Approach 2:
The patent replaces manual mechanical temperature checking methods with an automated electronic sensing and wireless transmission system. The temperature sensor electronically detects temperature conditions and automatically transmits data via RFID communication, substituting the mechanical/manual process with an automated electronic system that improves both efficiency and accuracy.
3Adaptability or versatility
If existing RFID tags without integrated sensors are used, then RFID functionality is maintained, but real-time temperature monitoring capability is lost
Solution Approach 1:
The patent merges the temperature sensing function directly into the RFID tag structure. The temperature sensor is physically integrated within the tag housing, and its output is electronically connected to the RFID circuitry for automatic data transmission. This merging enables existing RFID infrastructure to provide both identification and temperature monitoring functions without requiring separate sensor systems.
4Reliability
If separate data collection and management systems are implemented, then temperature data can be stored, but system complexity and resource consumption increase
Solution Approach 1:
The RFID tag is designed with multi-functionality, serving as both an identification device and a data logging system. The tag's memory capacity is utilized to store temperature data locally, eliminating the need for separate dedicated data collection and management systems. This universal design allows the same device to perform multiple functions including identification, sensing, storage, and wireless communication.
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 operational efficiency, compliance, and data accuracy by automating temperature monitoring, preventing spoilage, ensuring medical supply integrity, and optimizing inventory management.
Implementation Method 1
Passive tags rely on the electromagnetic field generated by the reader to power the tag and facilitate communication
Data Source
AI summary
Disclosed are systems and methods for integrating temperature sensors into RFID tags. In some implementations, the RFID tag includes a microchip with an integrated temperature sensor, an antenna(s), and a core. The RFID tag can store temperature data and transmit it when powered by the electromagnetic field of the reader, or by way of an internal power source, according to some implementations. The RFID tag is configured with a novel structured 64-bit code structure that includes synchronization bits, information bits and error detection bits, thereby ensuring communicability of the captured temperature sensor data, among other benefits.