Radio frequency identification system and method

专利名称：Radio frequency identification system and

method

发明人：Jerome A. Otto申请号：US09826065申请日：20010404

公开号：US20020145036A1公开日：20021010

专利附图：

摘要：A radio frequency (RF) identification system and method which rely on thepresence or absence of unique frequency signals. The system includes an RF interrogatorwhich transmits signals at a plurality of different frequencies and which receives first

frequencies of the plurality of different frequencies from an item label, and a computerwhich determines second frequencies of the plurality of different frequencies which werenot received by the RF interrogator, and which determines an item identification numberfrom the first and second frequencies by assigning first values equal to a first binary valueto first data bits occupying first data bit positions in the item identification number forthe first frequencies and assigning second values equal to a second binary value tosecond data bits occupying second data bit positions in the item identification number forthe second frequencies.

申请人：OTTO JEROME A.

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