NFC Mobile Checkout System Reducing Retail Queues
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Solution Overview
Problem
Self-checkout systems in retail face challenges with queuing and maintenance issues due to the need for dedicated scanning locations and infrastructure, as well as the burden of maintaining handheld scanners for customers.
Innovation Solution
A mobile device-enabled self-checkout system using NFC tags embedded in products or their labels, allowing customers to scan items using their NFC-enabled devices, which communicate with a retail server for pricing and payment processing, reducing the need for dedicated scanning infrastructure and simplifying maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If self-checkout terminals with bar code readers are provided at fixed locations, then customers can scan items independently, but queues form at these terminals and customer movement is restricted
Solution Approach 1:
The patent transitions the scanning function from fixed two-dimensional terminal locations to mobile three-dimensional movement throughout the store. Customers can scan items at any location using portable scanners or mobile devices, eliminating the constraint of returning to fixed checkout terminals and thereby reducing queue formation and customer movement restrictions.
Solution Approach 2:
The system enables complete customer autonomy in the checkout process. Customers scan items independently using portable scanners or their own mobile devices, manage their own shopping lists, and complete payments without staff intervention, thereby eliminating the need for staffed checkout terminals and reducing queue times.
2Loss of time
If handheld barcode scanners are provided for customers to scan items throughout the store, then queuing is eliminated, but the retailer must maintain infrastructure including docking stations and multiple scanners
Solution Approach 1:
The patent leverages the universality of customers' existing mobile devices (smartphones, tablets) which already possess cameras, processors, and connectivity. By using these multi-functional devices for scanning and payment, the system eliminates the need for dedicated retail infrastructure such as docking stations and multiple handheld scanners, thereby reducing device complexity and infrastructure requirements.
Solution Approach 2:
Instead of providing physical handheld scanners to each customer, the system uses digital copies of barcode scanning functionality through mobile device cameras and image recognition software. This virtual copying approach eliminates the need for physical scanner hardware and associated maintenance infrastructure.
3Adaptability or versatility
If handheld scanners are distributed to customers, then scanning flexibility is improved, but maintenance burden falls on the retailer
Solution Approach 1:
The patent inverts the traditional model where the retailer provides and maintains scanning devices. Instead, customers use their own mobile devices which they already maintain. This inversion transfers the maintenance burden from the retailer to the customer, while the retailer only needs to maintain the central server system.
4Loss of information
If dedicated scanning locations are established, then item data can be captured, but valuable retail footprint is consumed
Solution Approach 1:
The patent extracts the scanning function from fixed terminal locations and relocates it to portable devices that customers carry throughout the store. This extraction eliminates the need for dedicated scanning space at fixed locations, freeing up valuable retail footprint for product display and customer movement while maintaining full product data capture capability.
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 solution reduces queuing times, minimizes infrastructure requirements, and lowers maintenance costs by enabling customers to scan items anywhere, while ensuring secure and efficient payment processing through their own devices.
Implementation Method 1
NFC is an established form of short range (typically less than 20cm) radio frequency identification (RFID) type technology
Data Source
AI summary
A near field communication (NFC) based checkout system comprises an NFC enabled mobile telephone that reads product data from an NFC tag associated with a product. The mobile telephone updates a shopping list when the consumer scans an item. The consumer uploads the shopping list at a payment terminal at the checkout via an NFC link. The payment terminal connects with a price look up (PLU) database and downloads the price data for the items in the shopping list to provide a total price. The payment terminal requests authorization of the total price from the consumer's financial authorization.