Top loaded disk monopole antenna
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 4, 2007
Grant Date -
Dec 7, 2006
app pub date -
Jun 3, 2005
filing date -
Jun 3, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In an exemplary aspect of the invention, an antenna is disclosed that includes a ground plane and a disk disposed adjacent to the ground plane. The disk has a perimeter. The antenna further includes a loading reflector having an underside. At least a portion of the underside is electrically connected to a portion of the perimeter of the disk. The loading reflector has a width at a widest point, and the width at the widest point of the loading reflector is larger than a thickness of the disk. The disk may be circular or elliptical. The ground plane may include a cavity, where the disk is disposed within an outer border of the cavity. When an elliptical disk is used, the cavity may also be elliptical. An elliptical cavity may have a parabolic surface.
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