Communications: radio wave antennas – Antennas – Spiral or helical type
Patent
1995-06-02
1997-10-14
Wimer, Michael C.
Communications: radio wave antennas
Antennas
Spiral or helical type
343846, H01Q 136, H01Q 1108
Patent
active
056776993
ABSTRACT:
A helical antenna comprised of a helical conductor having one end adapted to be connected to a feedline, a conductive surface contained within but spaced from the helical conductor, the distance of the conductive surface from the helical conductor being predetermined so as to vary the radiation loss from the helical conductor during electromagnetic emission therefrom.
REFERENCES:
patent: 2919442 (1959-12-01), Nussbaum
patent: 2945227 (1960-07-01), Broussaud
patent: 3263233 (1966-07-01), Spitz
patent: 3633210 (1972-01-01), Westerman et al.
CAL Corporation
Wimer Michael C.
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