Internal antenna having wideband characteristic
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United States of America Patent
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May 10, 2016
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N/A
app pub date -
Jul 26, 2013
filing date -
Jul 27, 2012
priority date (Note) -
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Abstract
An internal antenna having a wideband characteristic includes a printed circuit board, a first antenna unit fed with electricity from a feeding unit of the printed circuit board, and a second antenna unit spaced apart from the first antenna unit by a predetermined distance and indirectly fed with electricity by means of coupling to the first antenna unit, wherein the second antenna unit is indirectly fed with electricity with a phase difference from the first antenna unit due to an electric distance from a feeding point of the first antenna unit.
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