| 摘要 |
PURPOSE: A materials management method is provided to utilize an RFID (Radio Frequency Identification) based system which is not affected by a surrounding environment and space, thereby sharing accurate data about a list and a location of released materials. CONSTITUTION: A fixed RFID tag (10) is installed in an external bottom surface leaving a gap. A materials RFID tag (20) is attached to materials released around the fixed RFID tag, and the information of released materials is stored. After reading information transmitted from the fixed RFID tag and the materials RFID tag through a portable wireless terminal (30), the information and the location of the released materials are stored by being transmitted to a materials managing unit (70). A laser distance measuring unit (40) measures the distance between the portable wireless terminal and the released materials. A direction measuring unit (50) measures the direction of the released materials. [Reference numerals] (10) Fixed RFID tag; (20) Material RFID tag; (40) Laser distance measuring unit; (50) Direction measuring unit; (60) RFID reader; (70) Material managing unit
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