Full-wave di-patch antenna
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United States of America Patent
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Jan 11, 2011
Grant Date -
Oct 16, 2008
app pub date -
Apr 11, 2007
filing date -
Apr 11, 2007
priority date (Note) -
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Abstract
A full-wave di-patch antenna having two half-wave patch antennas located such that the feed points are facing one another and are brought out to a balanced transmission line having two conductors of microstrip feed lines. The phase of the current and the voltage is inverted 180 degrees between the two patches relative to the mechanical structure. The physical spacing of the two patches from center-to-center is one guide wavelength long. The two patches are disposed on a dielectric substrate which is in turn disposed over a ground plane. The two patches can take any of a number of shapes including a rectangle.
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