Patent ID: 7527196

Claim:
A commodity sales registration processing system comprising: a sales registering section in which sales information of a commodity is registered; a wireless tag reading device which collectively reads tag information from wireless tags attached to respective commodities placed in a read region at fixed intervals; retrieving means for retrieving tag information which has been previously read but is not currently read every time the tag information is collectively read by the wireless tag reading device; first commodity sales registration processing means for acquiring sales information of a commodity from corresponding tag information and registering the acquired sales information in the sales registering section when the tag information is detected by the retrieving means; informing means for performing an informing operation in response to detection of the corresponding tag information by the retrieving means; inputting means for inputting information concerning a commodity for sale; and second commodity sales registration processing means for acquiring sales information of a commodity from information input through the inputting means, and registering the acquired sales information in the sales registering section.