DUAL BAND LINEAR ANTENNA ARRAY
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United States of America Patent
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app pub date -
Aug 15, 2003
filing date -
Aug 15, 2003
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Abstract
A dual band linear antenna array, having a set of radiator constructed by four hard linear conductors. The linear conductors are equidistantly arranged at four corners and extend parallel to each other. By serially connecting to a signal feed terminal, the roots of the linear conductors are connected to a copper tube via a coaxial cable external conductor (ground signal). Three of the linear conductors have the same length, which is about one quarter wavelength of the high-frequency electric wave received thereby and transmitted therefrom. The other linear conductor has the length longer than these three linear conductors at about one quarter wavelength of a low-frequency electric wave received thereby and transmitted therefrom. Thereby, an array of dual band antenna is obtained to achieve omni-directional reception and transmission of radiation.
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