MULTI-BAND ANTENNA AND WIRELESS COMMUNICATION DEVICE INCLUDING THE SAME
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United States of America Patent
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Issued Date -
Aug 26, 2010
app pub date -
Apr 29, 2008
filing date -
May 3, 2007
priority date (Note) -
Abandoned
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Abstract
There is herein disclosed a multi-band antenna which can adjust respective frequency bands independently. The multi-band antenna comprises a first radiation element having a PIFA structure and a second radiation element having a monopole structure. Also, a second ground terminal is disposed at one end of the first radiation element so as to be connected to a ground plane through a capacitor. The adjustment of the capacitance enables an independent adjustment of a first frequency band. The second radiation element includes a stub so as to allow the second frequency band to be independently adjusted, and a first sub-element and a second sub-element which defines a slit therebetween so as to allow the third frequency band to be independently adjusted. According to the present invention, it is possible to provide a multi-band antenna which can easily adjust respective frequency bands using multi-bands.
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