Patent ID: 11961375
Assignee: TOSHIBA TEC KABUSHIKI KAISHA
Field: Control (Instruments)
Classification: CPC G  B | IPC B  G

Claim 9:
10. A commodity management method, comprising:
attaching a wireless tag reader-and-writer to a shopping cart;
emitting radio waves from the wireless tag reader-and-writer to read first information from first wireless tags attached to commodities displayed in a store and second information from second wireless tags associated with different display areas in the store, the second information including tag identifiers (IDs) of the second wireless tags;
transmitting the read first and second information from the wireless tag reader-and-writer to a commodity management apparatus;
determining, by the commodity management apparatus, a display area in which one of the commodities is displayed, using the tag IDs of the second wireless tags associated with the different display areas; and
specifying, by the commodity management apparatus, a quantity of said one of the commodities displayed in the determined display area based on the acquired first information, wherein
the wireless tag reader-and-writer is configured to emit radio signals at a first intensity and a second intensity less than the first intensity.