Spiral antenna absorber system

Details Spiral antenna absorber system Spiral antenna absorber system

1976-10-22

1978-04-18

Smith, Alfred E.

Communications: radio wave antennas

Antennas

Spiral or helical type

343789, H01Q 136, H01Q 142

Patent

active

040854060

ABSTRACT:
The radiation absorber system of a unidirectional spiral antenna is provided with a laterally transverse variable radiation absorption density characteristic to control the absolute gain with frequency pattern, i.e. absolute gain versus frequency characteristic, of the antenna.

REFERENCES:
patent: 3192531 (1965-06-01), Cox et al.
patent: 3624658 (1971-11-01), Voronoff
patent: 3945016 (1976-03-01), Bizouard et al.

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