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KR102473360B1 RFID 판독 방법 및 RFID 판독기 有权

  • 专利标题： RFID 판독 방법 및 RFID 판독기
  • 专利标题（英）： RFID RFID RFID READING METHOD AND RFID READER
  • 申请号： KR1020177008980
    申请日： 2015-09-02
  • 公开(公告)号： KR102473360B1
    公开(公告)日： 2022-12-05
  • 优先权： FI20145763 2014-09-03
  • 国际申请： PCT/FI2015/050573 2015-09-02
  • 国际公布： WO2016034772 2016-03-10
  • 主分类号： G06K7/10
  • IPC分类号： G06K7/10 ;  G06K19/07 ;  G08C17/02
RFID 판독 방법 및 RFID 판독기
摘要：
무선주파수식별(RFID) 판독기는수동형 RFID 센서태그와순차적으로인벤토리라운드를수행한다. 각 RFID 센서태그는미리결정된양을감지하도록구성된적어도하나의감지엘리먼트를가지고있다. RFID 판독기는각 인벤토리라운드동안수동형 RFID 센서태그에의해사용되는후방산란변조주파수에기초하여미리결정된양의값을판독하고, 다음인벤토리라운드동안수동형 RFID 센서태그에의해사용되는후방산란변조주파수에기초하여미리결정된양의다음값을판독하기전에 RFID 센서태그를해제한다. 수동형 RFID 센서가상이한센서특성을갖는둘 이상의감지엘리먼트를포함하면, RFID 판독기는하나의인벤토리라운드동안수동형 RFID 태그의감지엘리먼트중 하나를판독하고다음인벤토리라운드동안수동형 RFID 센서태그의감지엘리먼트중 다른하나를판독하기전에수동형 RFID 센서태그를해제한다.
摘要（英）：

A radio frequency identification (RFID) reader sequentially carries out inventory rounds with passive RFID sensor tags. Each RFID sensor tag has at least one sensing element arranged to sense a predetermined quantity. The reader reads one value of the predetermined quantity based on a backscattering modulation frequency used by the passive RFID sensor tag during each inventory round and releases the RFID sensor tag prior to reading next value of the predetermined quantity based on a backscattering modulation frequency used by the passive RFID sensor tag during a subsequent inventory round. If the passive RFID sensor comprises two or more sensing elements having different sensor characteristics, the reader reads one of the sensing elements of the passive RFID tag during one inventory round and releases the passive RFID sensor tag prior to reading another one of the sensing elements of the passive RFID sensor tag during a subsequent inventory round.

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