RF-Based Wish List Payment System for Retail Checkout
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Solution Overview
Problem
Current POS systems require clients to wait in-store for payment and delivery after deciding on purchases, leading to inconvenience in the purchasing process.
Innovation Solution
A user terminal system that allows users to create a purchasing wish list through an application, detects a RF signal from a store device, and initiates a payment process via a service server if the merchandise is on the list, providing payment results to a POS terminal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If a POS system is used to manage sales information by scanning barcodes and processing payments in-store, then sales information can be recorded and managed, but clients experience long waiting times for payment and delivery after deciding on purchases
Solution Approach 1:
The system allows clients to pre-select merchandise and create a wish list before visiting the store. The user terminal stores this purchasing information in advance, so when the client enters the store, the payment process can be automatically initiated without requiring in-store selection and waiting, thereby reducing waiting time while maintaining ease of operation
Solution Approach 2:
The system enables automatic payment processing through the user terminal when it detects the store's RF signal and matches it with the pre-stored purchasing information. This self-service mechanism eliminates the need for manual payment initiation and reduces dependency on store staff, thereby reducing waiting time without compromising convenience
2Ease of operation
If a traditional POS system requires in-store payment processing, then payment can be collected, but the purchasing process becomes time-consuming and inconvenient for clients
Solution Approach 1:
Clients perform the merchandise selection action in advance through the mobile application, creating a stored purchasing information record. When they visit the store, the system automatically retrieves this pre-selected information upon detecting the store's RF signal, allowing immediate payment processing without in-store browsing or waiting, thus improving convenience while reducing time
Solution Approach 2:
The user terminal acts as an intermediary between the client and the POS system. It stores purchasing information locally and automatically initiates payment by communicating with the POS terminal when the store is detected, eliminating the need for clients to manually interact with the POS system in-store, thereby improving convenience and reducing 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
This system streamlines the purchasing process by allowing pre-selection of items and automatic payment processing when entering a store, reducing wait times and enhancing convenience.
Implementation Method 1
providing store information to the user terminal through a RF signal output from a RF device
Data Source
AI summary
A system and a method for purchasing merchandise based on radio frequency recognition are disclosed. The merchandise purchasing system includes: a RF device which outputs a radio frequency (RF) signal containing store information; a user terminal which stores a purchasing wish list input from a user through a merchandise purchasing application, receives the RF signal transmitted from the RF device, checks whether or not a merchandise marching the store information acquired through the RF signal exists on the purchasing wish list, and requests for a payment process for the merchandise; a service server which performs a payment process for the user terminal and transmits payment information to a POS terminal located at a corresponding store; and a POS terminal which receives and displays the payment information.