Spiral array antenna

Details Spiral array antenna Spiral array antenna

1981-06-02

1983-08-23

Lieberman, Eli

Communications: radio wave antennas

Antennas

Spiral or helical type

H01G 136

Patent

active

044007035

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.

REFERENCES:
patent: 3257660 (1966-06-01), Schneider
patent: 3383695 (1968-05-01), Jarek
patent: 3932876 (1976-01-01), Ben-Dou

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