RFID Tag Data Validation System for EPC Format Compliance
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Solution Overview
Problem
Current RFID systems lack effective validation methods for ensuring the correctness of data written into writable RFID tags, particularly in terms of format and content, leading to potential errors that are not adequately addressed by existing RFID printers.
Innovation Solution
A system and method for validating RFID tag data using a computing device with an RFID validator object that checks the data for compliance with an RFID format, such as the Electronic Product Code (EPC) Global format, before transmitting it to an RFID encoder, providing error messages and allowing users to correct formatting and content errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If RFID tag data is written directly without validation, then the writing process is fast and simple, but data errors and format compliance issues occur
Solution Approach 1:
The patent applies preliminary action by validating RFID tag data before it is written to the tag. The validation process checks data format compliance and content correctness in advance, preventing errors from being written to the tag. This ensures data accuracy while maintaining a relatively simple system architecture by separating validation from the writing process.
2Ease of operation
If RFID printer validates data internally, then validation is integrated, but user interaction for correction is limited
Solution Approach 1:
The patent implements feedback by providing detailed error messages to users when validation fails. The system not only detects format and content errors but also communicates specific issues to users, enabling them to understand and correct the problems. This enhances ease of operation by making the validation process transparent and actionable, though it may require additional time for user correction.
3Reliability
If comprehensive data validation is performed, then data integrity is ensured, but processing time increases
Solution Approach 1:
The patent performs comprehensive validation in advance before data writing, ensuring data integrity through format compliance checks and content verification. By validating all necessary aspects beforehand, the system prevents erroneous data from being written, maintaining high reliability while allowing faster writing operations once validation is complete.
Data Source
AI summary
The present invention is generally directed to systems and methods for validating RFID tag data prior to encoding the data onto an RFID tag, utilizing at least one computing device separate from an RFID encoder. An embodiment of the present invention describes a method of receiving RFID tag data at a computing device, validating that data in compliance with an RFID format, such as the EPC Global standard, and sending the validated data to an RFID encoder. An alternative embodiment provides a method for receiving RFID tag data at a computing device configured for verifying the data, and if the data is not valid, returning an informative error message to a user indicating the component of the data that was invalid and how the error can be corrected. A further embodiment provides a method for allowing a user to correct the RFID tag data and re-validate the data.