Self-scanning Weight Determination for Multi-item Containers
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Solution Overview
Problem
Conventional self-scanning systems face challenges in accurately registering and determining the weight of multiple items without barcodes when stored together in a single container, leading to errors and increased labor costs for salesclerks, as well as potential misuse for illegal payment processing.
Innovation Solution
A self-scanning system that includes a specific-item-information storing unit to associate items that can be stored together, a specific-item judging unit to determine if an item is a 'specific item' that can be stored with others, and a reception control unit to manage the registration and weight determination process, allowing for accurate weight determination only after all items are registered.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If weight determination is performed immediately after one item is designated in the list, then the weight measurement is executed quickly, but the measurement includes undesignated items causing error
Solution Approach 1:
The system performs preliminary registration of all items in the container before executing weight determination. The control unit receives registration for each item, identifies that multiple items are in one container, and delays weight determination until all items are registered, ensuring accurate measurement of the complete set rather than individual items
2Reliability
If salesclerk performs mismatch processing to handle weight determination errors, then registration can be completed, but labor cost reduction is not realized and illegal payment processing risk increases
Solution Approach 1:
The self-scanning system automatically handles the registration and weight determination process without requiring salesclerk intervention. The control unit autonomously manages item registration, identifies containers with multiple items, and performs weight determination at the appropriate time, eliminating the need for mismatch processing and maintaining both reliability and productivity
3Measurement precision
If rule is set that only one kind of items can be stored in one container, then weight determination accuracy is improved, but customer burden and container cost increase
Solution Approach 1:
The system dynamically adjusts its operation based on the registered items. When multiple items of the same kind are registered, the control unit identifies that they are stored in one container and delays weight determination. This dynamic adaptation allows customers to store multiple items conveniently in one container while maintaining measurement accuracy through intelligent control
Data Source
AI summary
A specific-item-information storing unit stores information on a specific item that can be contained in one container together with other item. A specific-item judging unit judges, when the registration for the purchased-item is received, whether the purchased-item is a specific item based on the information stored. A reception control unit controls, when the specific-item judging unit judges that the purchased-item is a specific item, a self-scanning system to continue to receive a registration for other purchased-item and to perform a weight determination according to an instruction for completing the registration from a customer.