Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Leroy Stolberg0
Seth A. Lieffort0
Edward D. Goff0
Date of Patent
August 26, 2008
0Patent Application Number
107841240
Date Filed
February 20, 2004
0Patent Primary Examiner
Patent abstract
A multi-loop antenna is described having a plurality of conductive loops to produce an electromagnetic field for radio frequency identification (RFID) communication with RFID tags. The conductive loops are spaced apart at least a distance that is selected based on a dimension of the RFID tags with which the antenna communicates. In this manner, the loops are positioned and spaced in a manner that reduces the size of the holes within the resulting magnetic field. In addition, the configuration of the described dual-loop antenna increases the coverage of the antenna, and decreases inter-winding capacitance, thereby increasing overall read range achieved by the antenna.
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