RFID tag antenna for attached on high conductive object
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United States of America Patent
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Feb 24, 2015
Grant Date -
May 16, 2013
app pub date -
Sep 24, 2012
filing date -
Sep 22, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
An UHF RFID antenna for attached on any high conductive object is disclosed. The antenna radiation body has a first copper foil mounted thereon a backside surface of a FR4 glass fiber served as a ground plane, a second copper foil mounted thereon a front surface of the FR4 glass fiber as a main radiation plane. The main radiation plane contains two etched slits spaced each other. Each etched slit has a shape like a blade with a long handle. The two etched slits are mirror symmetry and a trench formed to connect the two etched slits for a RFID tag seated thereon so that There are short circuit microstrip and a feed-in microstrip are generated.
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