| 摘要 |
PURPOSE: A self checkout system for materials with RFID tag using two RFID antennas is provided to recognizes RFID tags attached to materials through two antennas of lower side and upper side of space part, thereby increasing the amount of materials which is available for lending at once. CONSTITUTION: One RFID(Radio Frequency Identification System) antenna(104) is mounted on shelf of upper part of a self lending machine(100). An RFID reader transceives data with RFID tag through RFID antenna(108). An RFID tag is attached to a material(106). A computer is connected to the RFID reader. An output of the RFID antenna is set low for communication distance between the RFID tag and the RFID antenna to be below 20cm. |
