发明名称 RFID SYSTEM USING CIRCULAR POLARIZED ANTENNA
摘要 The present disclosure relates to an RFID (Radio frequency identification) system using circular polarized antennas, wherein a reader emits electromagnetic wave through reader antennas to recognize a tag and to read out customer information if a customer proximity is detected, where the reader antennas are installed at a kiosk body and at a rear proximity position of a floor surface on which a customer using the kiosk stands, and the reader antennas installed at the rear proximity position of the floor surface emits circular polarizing wave toward the kiosk, whereby the tag can be accurately recognized regardless of position of the tag of the customer.
申请公布号 US2010231387(A1) 申请公布日期 2010.09.16
申请号 US20100720307 申请日期 2010.03.09
申请人 LS INDUSTRIAL SYSTEMS CO., LTD. 发明人 HONG JIN KUK;RYOO JEONG KI;CHOO JAE YUL
分类号 G08B13/00 主分类号 G08B13/00
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