Conductive Label Position Detection via Impedance
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Solution Overview
Problem
Existing systems for managing labels on shelving units in large facilities lack efficient methods to ensure correct placement and detection of missing labels, leading to potential errors in inventory management and product identification.
Innovation Solution
A label position determination system utilizing conductive patterns on labels that interact with electrically conductive wires, where a controller transmits electrical pulses to detect impedance and calculate time delays to determine label positions, identifying correct or incorrect placements and alerting for missing labels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional label management systems are used, then the system complexity remains low, but the label placement accuracy and detection capability deteriorate
Solution Approach 1:
The patent replaces traditional mechanical or visual inspection methods with an electrical field-based detection system. Conductive patterns on labels interact with electrically conductive wires to create measurable electrical signals, enabling automated detection of label positions and orientations without complex mechanical scanning equipment.
Solution Approach 2:
The patent introduces electrically conductive wires as an intermediary element between the labels and the detection system. These wires transmit electrical signals that interact with the conductive patterns on labels, converting physical label positions into measurable electrical impedance changes that can be processed by the controller.
2Productivity
If manual label placement verification is used, then the system complexity remains low, but the time consumption and error rate increase
Solution Approach 1:
The system enables self-verification of label placement through automated electrical detection. The controller automatically transmits electrical pulses, detects impedance changes, calculates positions, and identifies incorrect or missing labels without requiring manual inspection, thereby reducing verification time and human error.
Solution Approach 2:
The patent implements real-time feedback through automated detection and identification of label placement errors. The system continuously monitors label positions via electrical impedance measurements and provides immediate feedback about incorrect or missing labels, enabling rapid correction without time-consuming manual checks.
3Reliability
If simple label systems are used, then the device complexity is low, but the reliability of inventory management deteriorates
Solution Approach 1:
The patent replaces unreliable manual verification methods with automated electrical detection systems. The conductive patterns and electrical wires create measurable electrical signals that reliably indicate label positions, orientations, and presence, providing consistent and accurate inventory management data without human error.
Solution Approach 2:
The patent creates an electrical signal copy of the physical label arrangement. The conductive patterns on labels are translated into electrical impedance signals that replicate the spatial information, allowing the system to detect and verify label positions without physically inspecting each label, thereby improving reliability through non-contact measurement.
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 system ensures accurate label placement and detection of missing labels, enhancing inventory management by providing real-time feedback and reducing errors through unique impedance detection and position calculation.
Implementation Method 1
The conductive patterns can be electrically coupled with electrically conductive wires to create parallel electrical connections or series connections with the electrically conductive wires to alter an effective impedance of the electrically conductive wires.
Implementation Method 2
The controller can calculate a time delay or total time of travel of a reflected pulse received by the controller in response to transmission of the electrical pulse by the controller.
Implementation Method 3
The conductive patterns can be electrically coupled with electrically conductive wires to create parallel electrical connections or series connections with the electrically conductive wires to alter an effective impedance of the electrically conductive wires.
Data Source
AI summary
Described in detail herein are methods and systems for a label position determination. A label position determination system can include labels mounted on the front face of the shelving units. The labels can include conductive patterns on the back face of the label. The conductive patterns of the labels can be electrically coupled with electrically conductive wires extending along a front face of a shelf. The system can further include a controller coupled to with electrically conductive wires, configured to transmit electrical pulses through the electrically conductive wires. The controller can determine at least one of: an identity of each of the labels mounted to the front face, whether a label has been mounted at an incorrect location on the front face of the shelf, or whether a label is missing from the front face of the shelf based on a response to the electrical pulse.