RFID-Activated Pusher Assembly for Real-Time Out-of-Stock Detection

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

Retailers face significant losses due to out-of-stock conditions and overstocking issues in product displays, leading to reduced sales, increased costs, and inefficient inventory management, as they often lack real-time monitoring of product levels across various locations.

Innovation Solution

A low stock product display alert system utilizing an RFID component activated by a pushing element, which emits signals indicating when a product display is out of stock, integrated with an inventory monitor engine to track stock levels and automatically trigger refills, thereby optimizing inventory management and reducing losses.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If pusher assemblies are deployed to automatically push products toward the front of shelves, then product accessibility and sales are improved, but real-time monitoring of product levels becomes difficult and out-of-stock conditions go undetected

Engineering Contradiction:

Improveproduct accessibilityVSAvoidproduct level monitoring

Core Design Contradiction:

ProductivityVSLoss of information

Solution Approach 1:

The system implements feedback by using RFID readers to continuously monitor the positions of pushing elements and detect when they reach the end of their travel, indicating low stock conditions. This feedback loop provides real-time information about product levels without interfering with the pusher's automatic operation.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

An intermediary RFID detection system is introduced between the pushing element and the shelf structure. The RFID tags embedded in the pushing element communicate with remote RFID readers, serving as intermediaries that transmit stock level information without requiring direct line-of-sight or physical contact sensors.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If RFID components are continuously active to provide real-time stock alerts, then out-of-stock detection is improved, but energy consumption and system complexity increase

Engineering Contradiction:

Improveout-of-stock detectionVSAvoidRFID energy consumption

Core Design Contradiction:

ReliabilityVSUse of energy by moving object

Solution Approach 1:

The RFID component operates periodically rather than continuously. It is activated only when the pushing element reaches specific positions (such as when product is depleted), triggered by mechanical switches or changes in electrical connectivity as the pusher moves along its track.

Inventive Principle:

Principle #19Periodic action

Solution Approach 2:

The system uses the pushing element's own movement and position to trigger the RFID alert. The mechanical action of the pusher reaching the end of its travel automatically activates the RFID component through changes in electrical connectivity, eliminating the need for separate power management circuits or continuous monitoring.

Inventive Principle:

Principle #25Self-service

3Productivity

If RFID tags are embedded in pushing elements to track product levels, then inventory management is improved, but manufacturing complexity and cost increase

Engineering Contradiction:

Improveinventory management efficiencyVSAvoidpusher assembly manufacturing

Core Design Contradiction:

ProductivityVSEase of manufacture

Solution Approach 1:

The RFID tag serves multiple functions: it identifies the pushing element, tracks its position, and triggers alerts when product is depleted. This multi-functionality reduces the need for separate sensors, switches, or indicators, simplifying the overall manufacturing process despite the addition of RFID technology.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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

The system effectively reduces out-of-stock conditions, minimizes overstocking, and enhances inventory management by providing real-time data on product levels, leading to improved sales and reduced costs, while also identifying poorly performing displays and optimizing shelf space usage.

Implementation Method 1

The RFID component is configured to be in a dormant state when the pushing element is in a first position. The system further includes an activation element configured to activate the RFID component when the pushing element is in a second position, where when activated in the second position, the RFID component is configured to emit a signal indicating that the product display is out of product.

Methodology Applied

Scientific EffectRFID (Radio Frequency Identification): Electromagnetic Induction

Data Source

PatentUS9805334B2Computer-implemented systems and methods for providing an out of stock/low stock alert

Publication Date: 2017.10.31 ABL IP HLDG LLC

AI summary

Systems and methods are provided for a low stock product display alert system. A system includes a pushing element configured to push one or more products toward a front of a shelf as a unit of the product is removed from the shelf. The system also includes an RFID component, where the RFID component is configured to be in a dormant state when the pushing element is in a first position. The system further includes an activation element configured to activate the RFID component when the pushing element is in a second position, where when activated, the RFID component is configured to emit a signal indicating that the product display is out of product.