| 摘要 |
PROBLEM TO BE SOLVED: To allow confirmation as to whether an article is sold faily or not to allow confirmation or proof when taken out illegally by a shoplifter. SOLUTION: This method is aimed at utilization of a price label such as a so-called RF-ID label or a tag capable of writing and reading a data using a very weak radiowave, and that a sales data 22 is input in the price label to allow reading-out, the price label has an article data memory 19 stored with an article data 21 including at least a price data of the article and is constituted to allow the reading-out and writing of the article data 21 using the very weak radiowave, the sales data 22 for indicating that the article is an sold one is written in the memory 19 when the article is count-processed, and the data 22 is made to be read out to confirm that the article is sold fairly. |
