Loop antenna for radiating circularly polarized waves
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United States of America Patent
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Nov 17, 1998
Grant Date -
N/A
app pub date -
Sep 17, 1996
filing date -
Jan 18, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A loop antenna for a circularly polarized wave can operate in a wide frequency range and can be simply constructed. A radiating power fed to a feeding point via a coaxial line and a feeder conductor is transmitted through an I-shape conductor to a C-type loop element disposed in spaced facing relation to a ground plane. By the action of a cutoff part formed on the C-type loop element, the C-type loop element radiates a circularly polarized wave. An angle of between 35.degree. and 45.degree. formed by the I-shape conductor and the cutoff part.
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