| 摘要 |
A method of maintaining a status of a product item is provided. The product item includes an associated interface surface which has coded data including a plurality of coded data portions indicative of the product item's identity. The method includes, in a sensing device, sensing at least one coded data portion, generating indicating data indicative of the product item identity therefrom, and transferring the indicating data to a computer system. The computer system is responsive to the indicating data to update product status information stored in a data store. The method further includes, in the computer system, receiving the indicating data, determining the product item identity, determining a current product item status from the product status information stored in the data store, and updating the product status information in accordance with the indicating data. |
