Communications: radio wave antennas – Antennas – Spiral or helical type
Patent
1976-12-17
1978-09-12
Smith, Alfred E.
Communications: radio wave antennas
Antennas
Spiral or helical type
H01Q 136
Patent
active
041141644
ABSTRACT:
A broadband spiral antenna including a tubular member having a planar surface at one end, a planar spiral element supported on the planar surface and radiating outward from a central position on the planar surface to an edge position on the planar surface, and an array of dipole elements supported on and extending around the tubular member and coupled to the planar spiral at the edge position.
REFERENCES:
patent: 3820117 (1974-06-01), Hall et al.
patent: 3825933 (1974-07-01), Debski et al.
patent: 4012744 (1977-03-01), Greiser
Barlow Harry
Schwartz Charles H.
Smith Alfred E.
Transco Products Inc.
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