Smart Cart with RFID Item Tracking for Touchless Checkout
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Solution Overview
Problem
Current checkout systems in stores are time-consuming and inefficient, requiring manual handling of items, which can lead to disease transmission and inconvenience, especially for large purchases or those requiring assistance with unloading items into vehicles.
Innovation Solution
An intelligent shopping cart system equipped with wireless communication-enabled item identification chips and a checkout station that allows for touchless scanning of items within the cart, providing real-time price information and a running total, and includes a floor mat scanner and status indicators for successful or unsuccessful scanning, along with an offloading mechanism for easy vehicle loading.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual item handling and scanning is used at checkout, then items can be processed one by one, but the checkout process becomes time-consuming and requires significant employee time
Solution Approach 1:
The patent replaces manual mechanical scanning with automated image capture and processing. Cameras mounted on the shopping cart automatically capture images of items, and computer vision algorithms process these images to identify and price items without manual intervention, thereby increasing checkout speed while maintaining accuracy
Solution Approach 2:
The system enables self-service checkout by allowing customers to shop and have items automatically tracked and priced. The shopping cart system autonomously identifies items, calculates totals, and guides customers through checkout without requiring employee intervention, significantly improving productivity
2Measurement precision
If items are removed from cart for scanning, then barcodes can be read accurately, but the process becomes time-consuming and requires item handling
Solution Approach 1:
The patent replaces manual barcode scanning with automated image capture and computer vision. Cameras mounted on the cart continuously capture images of items in the cart, and algorithms automatically identify and read barcodes or prices from these images without requiring items to be removed or manually positioned
Solution Approach 2:
The system performs preliminary identification and pricing of items as they are placed in the cart. The image capture and processing occur continuously in the background, so item identification is already complete by the time checkout is initiated, eliminating the need for time-consuming manual scanning at the register
3Productivity
If self-checkout stations are used, then employee time is reduced, but customers may not know the exact total until items are scanned, causing confusion
Solution Approach 1:
The system provides continuous feedback to the customer through the shopping cart display, showing items detected, prices calculated, and running totals updated in real-time as items are placed in or removed from the cart. This immediate feedback eliminates confusion about the total cost before checkout is complete
Solution Approach 2:
The system enables customers to serve themselves with real-time price information displayed on the shopping cart screen. The automated item identification and price calculation provide transparent, up-to-date pricing information without employee intervention, combining self-service efficiency with information transparency
4Measurement precision
If customers with large purchases wait for manual tallying, then accurate totals can be calculated, but other customers waiting in line become impatient
Solution Approach 1:
The system performs preliminary calculation of the total price as customers shop, continuously updating the running total in the shopping cart display. By the time the customer reaches checkout, the accurate total is already calculated and displayed, eliminating the need for time-consuming manual tallying at the register and reducing line waiting time
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
Facilitates fast, safe, and efficient checkout by eliminating manual handling, reducing disease transmission, and providing customers with clear price information, while allowing easy unloading of items into vehicles, thus improving customer experience and reducing store employee time spent on assistance.
Implementation Method 1
a wireless communication enabled item identification chip having an embedded wireless communications device for attachment to the sales items
Implementation Method 2
The item identification chip, checkout station and intelligent shopping cart are provided with status lights that turn color in response to the status or condition of the purchases
Data Source
AI summary
An intelligent shopping cart and checkout system is provided that can perform a fast and touchless checkout of saleable items in a store. The intelligent shopping cart and checkout system includes a readable product identifier, such as an RFID tag or a Bluetooth® or other wireless protocol enabled item identification chip having an embedded wireless communications device, for attachment to the sales items and a checkout station provided with a cooperating reader for receiving a signal emanating from the readable product identifier. A shopping cart may include a wireless communications device in wireless communication with the item identification chip and the checkout station. The item identification chip, checkout station and intelligent shopping cart are provided with status lights that turn color in response to the status or condition of the purchases.