Patent ID: 7222785

Claim:
A commodity information registering method comprising: a step of reading at least one of a radio tag and a code symbol which are attached to a commodity to acquire commodity identification information of the commodity; a step of registering commodity information corresponding to the commodity identification information, when the commodity identification information is acquired from one of the radio tag and the code symbol; a step of comparing the commodity information corresponding to the commodity identification information, when the commodity identification information are acquired from both of the radio tag and the code symbol; a step of registering the commodity information, when the commodity information corresponding to the commodity identification information acquired from the radio tag is the same as that corresponding to the commodity identification information acquired from the code symbol; a step of outputting a notifying sound which notifies that the commodity information is registered, when the commodity information is registered; and a step of outputting a notifying sound which notifies an error, when the commodity information corresponding to the commodity identification information acquired from the radio tag is different from that corresponding to the commodity identification information acquired from the code symbol.