Spiral array antenna
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United States of America Patent
Stats
-
Aug 23, 1983
Grant Date -
N/A
app pub date -
Jun 2, 1981
filing date -
Jun 24, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A compact and light weight array antenna with a gain of approximately 13 dB comprises a plurality of axial-mode helical antennas with an antenna height of 0.4.about.0.6.lambda. (.lambda.: Wavelength) as element antennas, having cylindrical metallic rims with a rim height of approximately 0.25.lambda. surrounding each corresponding element antenna in order to suppress the characteristic degradation of the device caused by the mutual coupling of element antennas.
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Cited Art Landscape
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