System for inventory management
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Solution Overview
Problem
Current inventory management systems in retail stores face challenges such as high manual labor costs for inventory counting, product theft detection, inaccurate tracking of product movements, and inefficient stock level monitoring, leading to excess inventory and unsatisfactory product displays.
Innovation Solution
A system that includes a control module with a microcomputer, a laser assembly, and a rear reflector strip to detect the position of a pusher assembly on a shelf, transmitting a laser beam to a mirrored reflective surface and analyzing its position to determine the level of product on the shelf, while also integrating with security cameras for potential theft detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual inventory counting is performed, then inventory levels can be determined, but significant manual labor is required
Solution Approach 1:
The patent replaces manual mechanical counting with an automated optical detection system. A laser beam projects across the shelf depth, and a sensor detects the position of the pusher assembly without physical contact, eliminating the need for manual labor while maintaining measurement accuracy.
Solution Approach 2:
The system enables self-monitoring of inventory levels through automatic detection. The pusher assembly's position is continuously tracked by the laser-sensor system, and the microcomputer automatically calculates and records inventory status without human intervention, allowing the shelf system to monitor itself.
2Object-affected harmful factors
If in-store cameras are used for theft detection, then monitoring is provided, but theft cannot be clearly observed or prosecuted
Solution Approach 1:
The patent introduces an intermediary detection mechanism between the camera system and the theft detection function. The laser-sensor system that monitors pusher assembly position also detects abnormal removal patterns, providing precise data about product disappearance that complements visual camera evidence and enables better prosecution.
3Quantity of substance
If multiple facings are used for a single product, then shelf space is occupied, but uneven usage creates gaps and unsatisfactory appearance
Solution Approach 1:
The system provides continuous feedback on the position of pusher assemblies for each facing. The microcomputer monitors which facings are being depleted and can alert staff to redistribute product from fuller facings to emptier ones, maintaining a uniform appearance while maximizing the use of multiple facings for increased inventory capacity.
4Reliability
If more inventory is placed on shelves to ensure stocking, then shelves remain stocked, but excess inventory increases costs and takes up valuable shelf space
Solution Approach 1:
The system enables preliminary detection of low inventory conditions before shelves are completely empty. The laser-sensor system continuously monitors pusher assembly positions and can trigger restocking alerts in advance, allowing staff to replenish inventory just in time rather than maintaining excessive safety stock, thus reducing overall inventory volume while ensuring shelves remain stocked.
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 reduces manual labor costs, enhances theft detection, accurately tracks product movements, and optimizes inventory levels by automatically notifying when shelves need restocking, thereby improving product display and reducing excess inventory.
Implementation Method 1
a laser assembly comprising a laser scanner and a rear reflector strip positionable behind a pusher assembly on a shelf
Implementation Method 2
the laser scanner is configured to transmit a laser beam to a mirrored reflective surface located along the length of the rear reflector strip
Data Source
Figure 1a
Figure 1b
Figure 2a
AI summary
The present invention relates to a system for detecting and communicating the position of a pusher assembly on a shelf. In an embodiment, a system includes a control module, a pusher assembly, and a laser scanner. The laser scanner is configured to transmit a swept beam to a mirrored reflective surface located behind the pusher assembly. The control module analyzes the laser beam at the laser scanner to detect the position of the pusher assembly on the shelf. In another embodiment, a system includes a control module, a pusher assembly, and an infrared transceiver that sends and receives infrared signals. The transceiver may be located behind the pusher assembly. The control module analyzes the infrared signals to determine the position of the pusher assembly on the shelf.