Antenna, apparatus and method for identifying and tracking multiple items
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United States of America Patent
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Oct 28, 2014
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app pub date -
May 3, 2012
filing date -
Feb 12, 2009
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Abstract
A flat identification antenna for receiving signals from multiple tag-carrying items placed on the antenna and a system for identifying and tracking multiple tag-carrying items including the same. The antenna comprises a first planar array of partially overlapping first planar loops, a second planar array of partially overlapping second planar loops and an insulating board positioned between the first and second arrays. The loops in the first array are arranged to partially overlap each other in one direction and the loops in the second array are arranged to partially overlap each other in another direction.
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