MULTIBAND ANTENNA USING ELECTROMAGNETIC COUPLING
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United States of America Patent
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app pub date -
Sep 10, 2009
filing date -
Sep 10, 2008
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Abstract
A multi-band antenna using electromagnetic coupling includes a first carrier; a first antenna pattern, which is formed on the first carrier and which includes a power feed part and a radiator part; a second carrier; and a second antenna pattern formed on the second carrier. The first and second carriers are arranged such that the first and second antenna patterns are separated by a particular distance, and the second antenna pattern is not connected to a ground or a power feed line but is formed independently on the second carrier to be fed by electromagnetic coupling with the power feed part of the first antenna pattern. Thus, the multi-band antenna can employ a single power feed setup. Also, the impact on the human body of the frequency signals generated by a terminal can be reduced, and property changes caused by the hand effect and the head effect can be minimized.
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