CLASSIFYING METHOD FOR TABLEWARE IN RESTAURANT, AND TABLEWARE, ACCURATE ACCOUNT DEVICE AND TABLEWARE SORTING DEVICE USED FOR THE METHOD

摘要

PURPOSE: To improve the operation efficiency of restaurant service by automating the accurate account operation of the restaurant and automatically sort the tableware. ;CONSTITUTION: Resonance tags 47 to 51 are mounted on the bottom parts of plates 41 to 46 where foods are arranged and after the plates 42 to 46 are put on a tray 41, the tray 41 is mounted on the tray mount plate 22 on the bill collecting device. A tag reader 24 below the tray mount place 22 is formed by putting transmitting antennas and receiving antennas 32, 32... one over other, and when radio waves of plural frequencies are sent, echo waves which are different by the plates are sent from the resonance tags 47 to 51 of the plates 42 to 46. The echo waves are received by the receiving antennas 32, 32 ...and then the plates 42 to 46 are classified by the resonance frquencies of the resonance tags set by the plates. A register calculates the total amount of money according to the previously unit prices of the foods, so the foods put on the tray 41 are automatically accounted.;COPYRIGHT: (C)1996,JPO