Wide-band spiral antenna

Details Wide-band spiral antenna Wide-band spiral antenna

1974-08-28

1976-03-16

Lieberman, Eli

Communications: radio wave antennas

Antennas

Spiral or helical type

343833, H01Q 136

Patent

active

039450163

ABSTRACT:
The invention relates to wide-band, plane, spiral antennas. A conductive arm is arranged spirally in a plane close to a reflector. A resonator member positioned at the centre and in front of the spiral assists the area opposite which it is situated to radiate at high frequencies, to the detriment of the peripheral areas. An absorbent member whose thickness increases from the centre to the periphery increases this effect even further.

REFERENCES:
patent: 2919442 (1959-12-01), Nussbaum
patent: 3745585 (1973-07-01), Barbano

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