POS Terminal Member Verification and Pricing Control
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Solution Overview
Problem
Store clerks often forget to confirm whether a customer is a member or if a commodity is member-exclusive, leading to unauthorized sales of member-exclusive commodities to non-members.
Innovation Solution
A sale data processing device and method that includes a POS terminal with a member storage unit, a sale target determination unit, and a settlement processing unit, which ensures that member-exclusive commodities are only sold to members by verifying member codes and displaying appropriate prices, and generates notifications when a member code is missing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If store clerks manually confirm customer membership and commodity exclusivity, then member-exclusive commodities can be sold to members, but clerks may forget to confirm and sell to non-members by mistake
Solution Approach 1:
The system automatically performs member verification and commodity classification without requiring manual confirmation by clerks. The POS terminal autonomously checks membership status, identifies member-exclusive commodities, and controls pricing, eliminating human error while maintaining operational simplicity.
Solution Approach 2:
The system provides automatic feedback to the clerk regarding member status and commodity exclusivity. When a non-member attempts to purchase a member-exclusive commodity, the system generates a notification alerting the clerk to the issue, ensuring accurate verification without adding manual confirmation steps.
2Reliability
If the system automatically verifies member codes and controls pricing, then unauthorized sales are prevented, but the device complexity increases
Solution Approach 1:
The POS terminal integrates multiple functions including member verification, commodity classification, pricing control, and notification generation within a single device. This multi-functionality achieves reliable prevention of unauthorized sales without significantly increasing overall system complexity, as all functions operate within the existing POS infrastructure.
Solution Approach 2:
The system automatically performs verification and pricing control without requiring additional manual intervention or complex external systems. The POS terminal autonomously manages the entire process from member code verification to final pricing determination, maintaining simplicity while ensuring reliability.
3Measurement precision
If the system prompts clerks to input member codes, then member verification accuracy improves, but the time required for each transaction increases
Solution Approach 1:
The system proactively prompts the clerk to input a member code when member-exclusive commodities are detected in the transaction, before the sale is finalized. This preliminary verification ensures accurate member code input while allowing the transaction to proceed efficiently once the code is provided, minimizing overall processing time.
Solution Approach 2:
The system provides targeted feedback only when necessary - specifically when member-exclusive commodities are involved. This selective prompting avoids unnecessary delays in regular transactions while ensuring accurate verification when needed, balancing precision with efficiency.
Data Source
AI summary
A sale data processing device includes a member storage memory configured to store input member specification information, and a processor configured to determine whether or not an acquired sale target is a sale target to be sold only to only a member, on the basis of specification information for specifying the sale target. The processor is configured to execute a settlement process related to the sale target only when the sale target is a sale target to be sold to only a member and the member information is stored in the member storage memory.