Floor Compound Detection for Retail Cart Pathway Tracking
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Solution Overview
Problem
Existing monitoring systems in large facilities, such as retail spaces and secure areas, face challenges in accurately tracking individuals and carts due to unclear images from cameras, especially in crowded environments, and lack efficient methods to determine item locations and customer pathways.
Innovation Solution
A system that uses chemical compounds applied to floor surfaces, detectable by cart wheels and compound detectors, to generate a database of item locations by analyzing the compounds picked up by shopping carts, correlating cart paths with purchased items and updating the database to identify aisle locations and stock levels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If overhead cameras are used to monitor individuals in crowded facilities, then security coverage is provided, but clear identification of individual pathways and item locations becomes difficult
Solution Approach 1:
The patent replaces overhead mechanical/optical surveillance systems with a distributed sensor network embedded in shopping carts. Instead of using complex camera systems to track individuals, the system uses simple RFID readers and chemical compound detectors integrated into cart wheels to automatically capture pathway information, thereby improving identification accuracy while reducing overall system complexity.
Solution Approach 2:
The patent introduces chemical compounds as intermediaries deposited on floor surfaces to encode location information. These compounds act as mediators between the physical space and the detection system, allowing cart wheels to pick up location-specific chemical signatures that automatically identify pathways and item locations without requiring complex visual recognition systems.
2Measurement precision
If chemical compounds are deposited on floor surfaces to track cart pathways, then item location accuracy is improved, but the system requires additional infrastructure
Solution Approach 1:
The patent changes the physical-chemical parameters of the floor surface by depositing location-specific chemical compounds with distinct molecular signatures. This allows the existing floor infrastructure to encode spatial information through chemical composition variations, improving item location accuracy without requiring structural modifications to the building itself.
Solution Approach 2:
The patent uses inexpensive chemical compounds that can be easily deposited and refreshed on floor surfaces. These compounds serve as temporary, disposable markers that can be applied through simple coating processes and replaced if needed, making the implementation cost-effective and易于维护 despite the additional infrastructure requirement.
3Productivity
If cart wheels pick up compounds from floor surfaces to generate pathway data, then customer pathway tracking is enhanced, but the system requires continuous compound detection
Solution Approach 1:
The patent implements periodic detection where RFID readers and chemical compound sensors in cart wheels activate at specific intervals or triggered by motion events. Instead of continuous monitoring, the system periodically samples location information as carts move through the facility, thereby enhancing pathway tracking efficiency while minimizing energy consumption of the stationary detection infrastructure.
Solution Approach 2:
The patent enables the cart wheels to actively sample chemical compounds from the floor surface through their natural rolling motion. The mechanical interaction between wheels and floor automatically transfers location information without requiring active sensing or energy-intensive detection mechanisms, allowing the tracking system to be self-powered through the cart's movement itself.
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 effectively determines customer pathways and item locations, improves stock management, and enhances security by accurately tracking individuals and carts, while also aiding in security breach detection by identifying unauthorized access.
Implementation Method 1
a first shopping cart wheel picked up a first compound from a first aisle floor and a second shopping cart wheel picked up a second compound from a second aisle floor
Data Source
AI summary
In some embodiments, apparatuses and methods are provided herein useful for monitoring a facility, such as the safety, security, and status of individuals and items within the facility. In one illustrative approach, a retail facility maintains information regarding product location, in part, from correlating a shopper's cart path and their purchased items with those of other shoppers. In some approaches, a cart path may be determined, in part, by depositing compounds on a floor surface, provide shopping carts configured to pick up the compounds deposited on the floor of the retail facility, and capture, via a compound detector, the compounds deposited on the cart wheels of a particular shopping cart during a customer checkout at a point of sale terminal, and generate an estimated cart path for the particular one of the plurality of shopping carts.