Antenna structure
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United States of America Patent
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Sep 20, 2016
Grant Date -
May 21, 2015
app pub date -
Nov 18, 2013
filing date -
Nov 18, 2013
priority date (Note) -
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Abstract
An antenna structure includes a radiation module and a metal board. The radiation module has a first coil unit and a second coil unit. The first coil unit is coupled to the second coil unit. The first coil unit and the second coil unit have opposite direction of current. The metal board is disposed at one side of the radiation module. The metal board has an enclosed slot which has a first slot portion and a second slot portion.
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