Hybrid RFID Barcode Label for Supply Chain Tracking
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Solution Overview
Problem
The retail industry faces challenges in implementing RFID technology due to high capital costs for equipment, vulnerability of RFID chips to damage or tampering, and the inability to verify authenticity of data provided by RFID labels, which hinders efficient product tracking and management in the supply chain.
Innovation Solution
A hybrid product label system that incorporates both RFID and barcode technologies, allowing for unique identification codes to be stored and retrieved using multiple independent data capture methods, including RFID, barcodes, and alphanumeric strings, enabling data extraction without relying solely on RFID equipment and providing means to verify authenticity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If RFID technology is used for product tracking, then data capture efficiency is improved, but capital investment requirements increase due to expensive equipment
Solution Approach 1:
The patent combines RFID tags with traditional barcode labels into a hybrid labeling system. The RFID tag is integrated within or attached to the barcode label, allowing the same label to be read by both RFID readers and barcode scanners. This merging enables businesses to leverage existing barcode infrastructure while adding RFID capabilities, thereby reducing capital investment requirements compared to implementing standalone RFID systems.
Solution Approach 2:
The hybrid label serves multiple functions: it can be read by RFID readers for wireless data capture, scanned by barcode scanners for optical data retrieval, and manually read as an alphanumeric code. This multi-functionality allows the labeling system to accommodate different reading technologies and user preferences, improving data capture efficiency while avoiding the need for exclusive RFID equipment.
2Measurement precision
If RFID chips are used for unique identification, then product tracking accuracy is improved, but reliability decreases due to vulnerability to damage or tampering
Solution Approach 1:
The patent segments the identification system into multiple independent components: the RFID tag for wireless identification, the barcode for optical verification, and the alphanumeric code for manual reading. By distributing the identification function across multiple separate elements rather than relying on a single RFID chip, the system reduces vulnerability to damage or tampering of any single component.
Solution Approach 2:
The patent creates multiple copies of the identification data in different formats and locations. The unique identification code is encoded in the RFID tag's electromagnetic field, printed as a barcode pattern, and displayed as an alphanumeric string. This redundancy ensures that if one copy is damaged or tampered with, the other copies can still provide the necessary identification information.
3Speed
If RFID labels are used for product identification, then data retrieval speed is improved, but inability to verify authenticity hinders trust in the system
Solution Approach 1:
The patent implements a feedback mechanism where the barcode and alphanumeric code on the label can be used to verify the authenticity of the RFID tag. The unique identification code can be cross-checked between the RFID reader output and the barcode/scanner output, providing verification that the RFID label has not been tampered with or counterfeit. This feedback loop enhances trust in the RFID system while maintaining fast data retrieval.
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 reduces capital investment requirements, minimizes the impact of RFID chip damage or tampering, and allows for authenticating and replacing compromised labels, enhancing product tracking accuracy and security within the supply chain.
Implementation Method 1
an radio frequency identification (RFID) device that stores a unique product identification code
Data Source
AI summary
A hybrid label is provided with a unique product identification code which can be retrieved using multiple independent processes. In one embodiment, the hybrid label includes an RFID inlay and a printable face sheet which are secured together by a layer of adhesive material. The RFID inlay includes an integrated circuit chip which is programmed with the unique product identification code. The printable face sheet includes a bar code and an alphanumeric character string, each of which is configured to represent the same identification code. A product tracking system designed in accordance with the hybrid label is able to extract the unique identification code from the label and, in turn, associate the identification code with a designated bundle of data records which is located in an external database. The product tracking system can retrieve the identification code through the use of either RFID technology, bar code technology or manual data entry. The ability to monitor an individual article of commerce throughout the retail supply chain provides the system with, among other things, item-level tracking, anti-counterfeit, anti-diversion, security and article return applications.