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US Patent 7522120 Antenna apparatus of mobile communications terminal and operation method thereof

Patent 7522120 was granted and assigned to LG on April, 2009 by the United States Patent and Trademark Office.

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Patent abstract

An antenna apparatus for a mobile communications terminal and its operation method in which the length of an antenna can be varied according to the changes in the usage environment. The antenna requires minimal space for installation, and can support multiplexing of frequency bands, such as tri-band or quad-band capabilities, so as to reduce the deterioration of signal transmission and reception sensitivity caused by changes in the usage environment, such as effects from the user's hand that holds the terminal, an act of opening and closing of a folder portion of the terminal, and the like.

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