RFID Reader Configuration Through Machine-Readable Codes
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Solution Overview
Problem
Configuring RFID readers in the field is cumbersome and technically challenging, especially when multiple RFID tags are present, requiring significant time and effort, and wireless configuration is difficult due to tag recognition issues.
Innovation Solution
An RFID reader equipped with an image capturing device to decode machine-readable codes, such as barcodes, which includes a unique identifier and commands to execute configuration programs, allowing easy configuration through scanning rather than wired or wireless connection to a host device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If wireless configuration is used to configure RFID readers in the field, then ease of operation is improved, but reliability deteriorates due to tag recognition issues when multiple RFID tags are present
Solution Approach 1:
The patent introduces machine-readable codes (such as QR codes) as an intermediary medium to transfer configuration information from an external device to the RFID reader. This intermediary approach allows configuration without direct wireless communication with RFID tags, thereby avoiding tag recognition conflicts while maintaining ease of configuration through simple code scanning.
2Adaptability or versatility
If complex configuration programs are executed to change operating parameters, then adaptability is improved, but device complexity increases
Solution Approach 1:
The patent creates simplified copies of complex configuration programs by encoding them as machine-readable codes. These codes contain condensed configuration information that can be directly scanned and executed by the RFID reader, transforming complex configuration tasks into simple code scanning operations while preserving full configuration functionality.
Solution Approach 2:
The patent changes the parameter representation from complex program code to machine-readable code format. This parameter transformation allows configuration information to be stored, transmitted, and executed in a simplified manner while maintaining the full adaptability of the original configuration programs.
3Ease of operation
If traditional wired or wireless configuration methods are used, then configuration capability is achieved, but loss of time increases due to significant time and effort required
Solution Approach 1:
The patent prepares configuration information in advance by pre-encoding it into machine-readable codes. This preliminary action allows the configuration to be executed instantly when the code is scanned, eliminating the time-consuming processes of connection establishment, manual input, and step-by-step configuration that occur with traditional methods.
Data Source
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Figure 3~4
AI summary
An RFID reader (10) may be configured using a machine-readable code (22), for example, a QR code. The machine-readable code (22) includes at least one command (32) for executing a configuration program (28) residing on the RFID reader (10). By supplying appropriate parameters, a controller (24) of RFID reader (10) can run the configuration program (28) in order to appropriately configure any desired operating parameter of the RFID reader (10), for example, a communication mode to be used when communicating to external devices, user feedback, a start-up sequence, and the like.