RFID Reader With Integrated Read-Write Tag
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Solution Overview
Problem
The incorporation of additional radios in wireless RFID devices increases costs and expenses associated with wireless network usage, necessitating a method to optimize RFID radio utilization.
Innovation Solution
Incorporating a built-in RFID read-write tag with RF communication circuitry into the RFID reader, allowing it to communicate with external RFID readers and tags, thereby reducing the need for additional radios and optimizing communication processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If additional radios are incorporated in wireless RFID devices to enable communication, then communication capability is improved, but device cost and network usage costs increase
Solution Approach 1:
The RFID tag integrated into the reader performs multiple functions: it serves as both a tag for communication with external readers and as an identifier for the reader itself. This multi-functionality eliminates the need for separate identification mechanisms and reduces the number of required radio interfaces.
Solution Approach 2:
The patent combines the RFID tag and RFID reader functionalities into a single integrated device. The reader includes an embedded RFID tag that can be read by external readers, merging what would traditionally be separate components (tag and reader) into one unified system, thereby reducing the need for additional radios.
2Adaptability or versatility
If additional radios are incorporated in wireless RFID devices, then communication capability is improved, but network usage costs increase
Solution Approach 1:
The integrated RFID tag enables the reader to communicate with external readers using the same RFID radio that is already required for reader operations. This multi-functional use of the existing radio eliminates additional network usage costs that would arise from incorporating separate radios for different communication purposes.
3Loss of time
If a built-in RFID tag is integrated into the reader, then setup time for communication sessions is reduced, but device complexity increases
Solution Approach 1:
By integrating the RFID tag directly into the reader's circuit board, the patent creates a unified structure where the tag and reader share common components and power sources. This integration reduces setup time by eliminating separate initialization procedures while the tag remains a compact component on the existing PCB.
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 enables efficient RFID communication by utilizing the built-in RFID tag for data transfer and configuration, reducing setup time and network costs while maintaining effective communication with external devices.
Implementation Method 1
transferring an identification of the built-in RFID read-write tag to the external RFID reader via the first RF communication circuitry of the built-in RFID read-write tag
Implementation Method 2
receiving, in the first RF communication circuitry of the built-in RFID read-write tag, information from the external RFID reader
Data Source
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AI summary
A method and system for RFID communication is provided. The system includes a first RFID reader (2) and an RFID read-write tag (252a) uniquely assigned to the first RFID reader. The RFID read-write tag receives information from RFID readers (1a) other than the first RFID reader and provides the information to the first RFID reader.