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(2003)
Publisher: United States Patent and Trademark Office
Languages: English
Types: Patent
Subjects: H01Q9/28, 343/700.MS, 343/853, 343/873, H01Q1/38, H01Q21/26, H01Q9/40

Classified by OpenAIRE into

arxiv: Computer Science::Information Theory
Wideband antennas with omnidirectional coverage have both military and commercial applications. In one embodiment, the Planar Inverted Cone Antenna (PICA) is composed of a single flat element vertically mounted above a ground plane. A geometry of Planar Inverted Cone Antenna (PICA) is based on the conventional circular-disc antenna with trimmed top part having the shape of a planar-inverted cone, in a second embodiment, the Fourpoint antenna also provides balanced impedance over the operating band and has useful radiation patterns and dual polarization over its operating frequency.
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