Multi-Element Patch Antenna and Method
Patent application, filed 13 Mar 2009
DEPARTMENT OF THE NAVY WASHINGTON DC
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A patch antenna with a driven antenna formed on a board of dielectric material on an opposite side thereof from a ground plane. The driven electrically conductive element is smaller in surface area than the ground plane. Parasitic antenna elements that function as directors are mounted coaxial with and spaced apart from the driven antenna element at an offset distance. In one possible embodiment, the offset distance may be greater than the thickness of the dielectric material andor the parasitic element may comprise a maximum dimension slightly less than one half wave length less than a maximum dimension of the driven antenna element.
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