RFID Gate Reading Control Using Flow-Line Detection

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Solution Overview

Problem

Existing RFID tag reading systems inaccurately manage the carrying-in or carrying-out of articles due to unintended readings when a carrier approaches a carry-in or carry-out entrance, leading to erroneous processing.

Innovation Solution

An information processing apparatus that specifies the flow line of an object's movement using sensors and controls RFID tag reading based on predetermined patterns, ensuring accurate management of article conveyance through gates.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If RFID tag reading is controlled based on presence detection in a predetermined area, then the reading operation can be activated when an object is detected, but unintended readings may occur when a carrier merely approaches the entrance without actually carrying an article through

Engineering Contradiction:

Improveaccuracy of article conveyance managementVSAvoidprecision of reading trigger condition

Core Design Contradiction:

ReliabilityVSMeasurement precision

Solution Approach 1:

The gate area is divided into multiple detection zones (first detection area and second detection area) along the flow line. The system segments the reading trigger condition into two parts: detection in the first area initiates reading, and detection in the second area confirms completion. This segmentation prevents unintended readings by requiring the object to traverse through both zones.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The system uses feedback from sequential detection zones to control the reading process. When an object is detected in the first detection area, reading is initiated. When the same object is detected in the second detection area, the system confirms the article has been properly conveyed through the gate. This feedback mechanism ensures reading accuracy by verifying the complete conveyance process.

Inventive Principle:

Principle #23Feedback

2Productivity

If reading processing is started when any object is detected near the gate, then reading operations can be performed, but erroneous processing occurs due to readings triggered by carriers approaching without actual article conveyance

Engineering Contradiction:

Improveefficiency of RFID reading operationVSAvoidaccuracy of conveyance management

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

The system performs preliminary detection in the first detection area before initiating RFID reading. This preliminary action ensures that reading is only started when an object is properly positioned in the first area, not merely when a carrier approaches. The flow line specification means pre-establishes the correct detection sequence, preventing erroneous readings while maintaining reading efficiency.

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS12499727B2Information processing apparatus, reading system, information processing method, and non-transitory computer readable medium storing program

Publication Date: 2025.12.16 NEC PLATFROMS LTD

AI summary

The present disclosure provides an information processing apparatus, a reading system, an information processing method, and a program that are capable of appropriately managing the carrying-in or the carrying-out of an article. An information processing apparatus (1) includes a flow line specification unit (2) that specifies a flow line of a movement of an object in a predetermined first area of a gate on an entrance side of the gate, and a reading control unit (3) that performs control so that reading processing of an RFID tag near the gate is started when the specified flow line corresponds to a predetermined pattern.