Wireless Tag Communication Device Position Identification
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Solution Overview
Problem
Image forming apparatuses struggle to write information to wireless tags on sheets when the position of the tags is unknown, as the device relies on tag position information for accurate data writing.
Innovation Solution
A wireless tag communication device that acquires position information from the tags, identifies their positions, and writes data accordingly, using various control processes such as remainder-based, magnitude-based, and bit-string-based ID interpretations to specify and write data to the tags based on their positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the wireless tag communication device writes information to the wireless tag according to the position of the wireless tag on the sheet, then the accuracy of data writing is improved, but the device cannot write information if the position of the wireless tag is unknown
Solution Approach 1:
The patent applies preliminary action by embedding position information into the wireless tag's ID during tag production, before the tag is attached to the sheet. This pre-stored position information enables the communication device to determine tag location without requiring separate position detection mechanisms, thus ensuring reliable data writing even when the tag position is initially unknown.
2Adaptability or versatility
If multiple wireless tags are provided on a sheet, then the versatility of the system is improved, but the complexity of managing and identifying tag positions increases
Solution Approach 1:
The patent applies self-service by enabling each wireless tag to autonomously provide its own position information through its unique ID. When multiple tags are present on a sheet, each tag independently identifies its position without requiring external coordination or complex management systems, thus reducing overall system complexity while maintaining multi-tag support capability.
Data Source
AI summary
According to one embodiment, a wireless tag communication device includes a controller configured to acquire, from a wireless tag on a sheet, position information indicating a position of the wireless tag on the sheet, identify the position of the wireless tag on the sheet from the acquired position information, and write information to the wireless tag according to the identified position of the wireless tag on the sheet.