Patent ID: 11908288
Assignee: SUPERSMART LTD.
Field: Control (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. A method of validating a transaction in a self-checkout system at a check-out location, the method comprising:
weighing a plurality of items on a scale and tracking weight changes as one or more items are added to or removed from said scale;
acquiring an image of each item placed on said scale with one or more image sensors; and
using at least one processor:
receiving an updated weight measurement of all items placed on said scale based on said weight change tracking,
identifying each item placed on said scale based on said acquired image,
determining an expected cumulative weight of all items placed on said scale based on said acquired image for each item, and
comparing said expected cumulative weight with said updated weight measurement;

identifying an item by its barcode pattern; and
recommending using said barcode pattern to identify one or more items responsive to said comparing.