METHOD FOR DETECTING RFID TAG AND SYSTEM FOR DETECTING RFID TAG

METHOD FOR DETECTING RFID TAG AND SYSTEM FOR DETECTING RFID TAG

PROBLEM TO BE SOLVED: To provide a method of detecting an RFID tag and a system of detecting an RFID tag for individually detecting RFID tags mounted inside each of a plurality of hollow cylindrical metal objects in the order of arrangement. SOLUTION: In this method of detecting an RFID tag, when an...

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Bibliographische Detailangaben
Hauptverfasser: MATSUDA KOICHI, TAMURA NAOKI, IWASA YUICHI, KEGASA MITSUYOSHI, MANABE CHITAKA, SAKAI HIDENORI
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
TRANSMISSION
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a method of detecting an RFID tag and a system of detecting an RFID tag for individually detecting RFID tags mounted inside each of a plurality of hollow cylindrical metal objects in the order of arrangement. SOLUTION: In this method of detecting an RFID tag, when an RFID reader antenna is inserted into or removed from the hollow section of the hollow cylindrical metallic object, and a plurality of RFID tags are detected by the RFID reader antenna (when the frequency of detecting the RFID tag is high) (S42: Yes), the signal intensity of a radio signal to be transmitted form the RFID reader antenna is reduced (S42), and when the RFID tag is not detected by the RFID reader antenna ("No" side in S4), the signal intensity of a radio signal to be transmitted from the RFID reader antenna is increased (S5). COPYRIGHT: (C)2009,JPO&INPIT