Semicircular radial antenna
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United States of America Patent
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-
Aug 16, 2005
Grant Date -
Dec 12, 2002
app pub date -
May 17, 2002
filing date -
May 17, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
At least one of the following requirements is satisfied. A position of a curvature center of an arcuate portion in at least one of waveguide plates is selected between a connecting member and a feeder, in accordance with a desired horizontal beam radiation characteristic. A curvature radius of the arcuate portion in at least one of the waveguide plates is selected in accordance with a desired vertical beam radiation characteristic. A slanted angle of a peripheral face of the arcuate portion, which connects a top face and a bottom face of each waveguide plate, in at least one of the waveguide plates is selected in accordance with a desired vertical beam radiation characteristic.
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