Communications: radio wave antennas – Antennas – With ice clearer or preventer
Patent
1975-05-20
1977-01-11
Lieberman, Eli
Communications: radio wave antennas
Antennas
With ice clearer or preventer
343713, H01Q 102, H01Q 132
Patent
active
040030563
ABSTRACT:
An antenna system responsive to both the E and H fields in a radiated electromagnetic signal relies upon the placement within the influence of a conductive edge formed by an opening in a closed conductive body of an element having an effective electrical length which approximates a resonant length in free space in the intended range of operating frequencies for the antenna.
REFERENCES:
patent: 3484584 (1969-12-01), Shaw
patent: 3771159 (1973-11-01), Kawaguchi et al.
patent: 3810180 (1974-05-01), Kunert et al.
patent: 3845489 (1974-10-01), Sauer et al.
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