发明名称 RFID LABEL TIME SYNCHRONIZATION
摘要 Methods and apparatus, including computer program products, for radio frequency identification (RFID) label time synchronization. A method includes, in a radio frequency identification (RFID) interrogator having an antenna, transceiver, a clock, a memory and a central processing unit (CPU), initializing a RFID tag with a label start time and a time to record data, the label start time representing an actual start time indicated by the clock, receiving a label stop time, a label time and logged data from an interrogation of the RFID tag, and compensating the label time for a drift between the label stop time and an actual stop time.
申请公布号 US2009109041(A1) 申请公布日期 2009.04.30
申请号 US20070924799 申请日期 2007.10.26
申请人 KEYSTONE TECHNOLOGY SOLUTIONS, LLC 发明人 GREEFF ROY EDGAR
分类号 G01W1/00 主分类号 G01W1/00
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