RFID Transport Bin UUID Association for X-ray Image Retrieval
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Solution Overview
Problem
In X-ray inspection systems, there is a challenge in reliably and rapidly identifying and displaying the correct X-ray image of a luggage item at a recheck station, especially when transport bins are exchanged between different X-ray units, leading to potential errors in associating the bins with their corresponding images.
Innovation Solution
Implementing a transport bin with an RFID transponder that stores a globally unique identification code, such as a UUID, which allows for unique association of the bin with its X-ray image across different X-ray units, ensuring accurate image retrieval at the recheck station.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If transport bins are exchanged between multiple X-ray inspection units, then the system can handle increased luggage volume and improve productivity, but errors occur in associating the bins with their corresponding X-ray images at recheck stations
Solution Approach 1:
The system performs preliminary actions by capturing and storing the identifier of the transport bin at the moment the X-ray image is taken at the initial inspection station. This pre-association of image data with bin identifier ensures that when the bin is later presented at the recheck station, the correct image can be rapidly retrieved and displayed without manual matching, thus maintaining high reliability even as productivity increases through multiple inspection units
Solution Approach 2:
The patent introduces an intermediary mechanism in the form of an identifier association system that mediates between the transport bin and its X-ray image. The system uses identifier reading devices at both inspection stations to create and verify associations, acting as an intermediary that ensures correct matching even when bins are exchanged between multiple units. This intermediary layer prevents erroneous associations while maintaining high throughput
2Productivity
If multiple X-ray inspection units operate in parallel, then inspection capacity increases, but the complexity of managing and tracking transport bins across units increases
Solution Approach 1:
The system implements a universal identifier association mechanism that functions across all X-ray inspection units in the network. The same identifier reading and association logic operates at every unit, allowing bins to be tracked and matched regardless of which unit performs the inspection. This multi-functional approach enables parallel operation of multiple units without proportionally increasing system complexity
Solution Approach 2:
The system creates a digital copy of the bin identifier association data that can be stored and retrieved across different inspection units. When an image is taken at any unit, the association between bin identifier and image data is captured and can be accessed at any recheck station, effectively copying the identification information across the network of units without requiring complex physical tracking infrastructure
Data Source
AI summary
A transport bin for an X-ray inspection system, comprising a identifying device rigidly connected to the bin, the identifying device having a bin-specific identifier, wherein the identifying device has a memory, in which an identification code that is unique worldwide, in particular a universally unique identifier (UUID), is stored in such a way that the identification code can be read out.