RFID Tag Label Printer Coordination and Inventory Tracking
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Solution Overview
Problem
Existing RFID label production systems lack coordination between printing and communication operations, leading to inefficiencies and a lack of real-time information about the remaining RFID circuit elements, making it inconvenient for operators to manage the production process.
Innovation Solution
A tag-label producing device that includes relative moving means for communication with RFID circuit elements, related-information processing for movement-based processing, and control signal outputting to coordinate printing and communication operations, allowing for real-time monitoring and display of the number of remaining RFID circuit elements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If printing is always performed before communication, then the production process is simple and straightforward, but the same form of printing is performed regardless of communication success/failure, reducing operator convenience
Solution Approach 1:
The printing control is made dynamic by adjusting the printing form based on communication results. When communication succeeds, a first form of printing is applied; when communication fails, a second form of printing is applied. This dynamic adjustment resolves the contradiction by maintaining process simplicity while enhancing operator convenience through adaptive printing based on actual communication status.
Solution Approach 2:
The system incorporates feedback from communication results to control the printing process. The control unit receives communication status information and uses this feedback to determine which printing form to apply, thereby resolving the contradiction between simple fixed process and adaptive operator-friendly process.
2Productivity
If communication is performed while tag medium is being fed, then processing speed is increased, but coordination between printing and communication becomes complex
Solution Approach 1:
The system performs preliminary positioning of the RFID tag to the communication position before actual communication occurs. This preliminary action enables communication to be prepared in advance while maintaining controlled coordination between printing and communication operations, resolving the contradiction between high processing speed and coordination complexity.
Solution Approach 2:
The tag medium continues to feed continuously while positioning and communication operations are performed, eliminating interruptions. This continuous operation maintains high productivity while the control unit manages the coordination complexity through integrated control of multiple operations.
3Device complexity
If no information about remaining RFID circuit elements is provided, then the device structure remains simple, but operators lack real-time information for managing the production process
Solution Approach 1:
The system uses the RFID tag's own storage capacity to store information about remaining circuit elements, and this information is automatically read and displayed by the control unit. This self-service approach provides real-time information to operators without adding complex external storage or information management structures.
Solution Approach 2:
The control unit continuously monitors the RFID tag and provides feedback information about the number of remaining circuit elements to the operator. This feedback mechanism resolves the contradiction by providing real-time information through simple integration with the existing RFID communication system.
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
Enhances operator convenience by ensuring finely coordinated control between printing and communication operations and providing reliable information on the number of remaining RFID circuit elements, improving production efficiency and reducing uncertainty in the production process.
Implementation Method 1
An RFID (Radio Frequency Identification) system is known which performs, by means of a reader (reading device)/writer (writing device), transmission/reception of information in a non-contact manner (by an electromagnetic coupling method, electromagnetic induction method, or electromagnetic radiation method or the like using a coil) with respect to an RFID circuit element
Data Source
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AI summary
A tag-label producing device includes a print head (23) for performing printing with respect to a print area (S) of a cover film (103), a loop antenna (LC) for performing transmission/reception of information to/from an RFID circuit element (To), and a tape feed roller (27) for imparting relative movement between the print head (23) or loop antenna (LC) and a tag label tape with print (109). At this time, a control circuit (110) determines the chronological sequence relation between the arrival of the RFID circuit element (To) at a communication position where transmission/reception of information is performed with respect to the loop antenna (LC), and the completion of the printing by the print head (23) with respect to the print area (S). In accordance with the result of this determination, the operation modes of the tape feed roller (27), loop antenna (LC), and print head (23) are switch-controlled in a coordinated fashion. The device further includes an installation holder that detachably installs a tag-medium accommodating member. The relative moving means feeds the tag-medium supplied from this member. Thereby the related-information processing means acquires information related to the number of RFID circuit elements remaining in the accommodating member.