Self-Service Checkout Cancellation System
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Solution Overview
Problem
In existing sales data processing systems, customers face difficulties in notifying store clerks of cancellations during the checkout process, as the clerks may be busy with registering new purchases, making the cancellation process cumbersome for both parties.
Innovation Solution
A sales data processing system that includes a first processing unit operated by store clerks for commodity registration and a second processing unit operated by customers for checkout, where the second processing unit can declare and notify the first processing unit of cancellations, allowing for streamlined cancellation processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the store clerk manually notifies and cancels commodities at the registration machine, then cancellation accuracy is improved, but operation complexity and time loss increase
Solution Approach 1:
The system enables self-service cancellation by allowing customers to directly operate the checkout machine to cancel commodities. The checkout machine automatically transmits cancellation information to the registration machine, eliminating the need for manual clerk intervention and reducing operational complexity while maintaining cancellation accuracy through automated information transmission.
Solution Approach 2:
The checkout machine acts as an intermediary between the customer and the registration machine. It receives cancellation requests from customers, processes the information, and automatically transmits it to the registration machine, thereby mediating the cancellation process and reducing the need for direct human-to-human communication.
2Reliability
If the store clerk interrupts registration to handle cancellations, then cancellation responsiveness is improved, but productivity decreases
Solution Approach 1:
Customers independently complete cancellation operations at the checkout machine without requiring the store clerk to interrupt their registration work. The automated system handles information transmission between machines, ensuring cancellation responsiveness while allowing the clerk to maintain continuous registration productivity.
Solution Approach 2:
The system allows the store clerk to maintain continuous registration operations without interruption. Cancellation requests are processed independently through the checkout machine, which continuously transmits information to the registration machine, ensuring both cancellation responsiveness and uninterrupted registration productivity.
3Ease of operation
If the customer directly notifies the registration machine, then cancellation ease is improved, but device complexity increases
Solution Approach 1:
The checkout machine is designed with multi-functionality, serving both as a settlement device and a cancellation notification device. This allows customers to easily perform cancellations at the checkout machine they are already using for payment, without requiring additional equipment or increasing system complexity.
4Loss of information
If manual cancellation notification is required, then information accuracy is improved, but time loss increases
Solution Approach 1:
The system replaces manual mechanical notification processes with automated electronic information transmission. The checkout machine automatically transmits cancellation data to the registration machine via communication interfaces, eliminating the time required for manual notification while maintaining information accuracy through automated data transfer.
Solution Approach 2:
The automated communication system acts as an intermediary that rapidly transmits cancellation information between the checkout machine and registration machine. This electronic mediation eliminates the time delay associated with manual notification while ensuring accurate information transmission through structured data exchange.
Data Source
AI summary
According to one embodiment, provided is a sales data processing system capable of simplifying cancellation of a commodity during checkout. A first processing unit includes a commodity registration unit that performs commodity registration processing of a commodity purchased by a customer. A second processing unit includes a declaration unit that receives a declaration of cancellation of a part or all of commodities subjected to the commodity registration processing, and a notification unit that notifies the cancellation of the commodity. The first processing unit includes a notification unit that receives the notification and notifies the cancellation of the commodity. The second processing unit includes a first acquisition unit that acquires information on a commodity to be cancelled, a cancellation processing unit that performs cancellation processing of the commodity, and a settlement processing unit that performs settlement processing of the commodities except for the commodity subjected to the cancellation processing.