Communications: radio wave antennas – Antennas – Buried underground or submerged under water
Patent
1976-03-10
1977-04-12
Lieberman, Eli
Communications: radio wave antennas
Antennas
Buried underground or submerged under water
343841, 343872, H01Q 104
Patent
active
040178633
ABSTRACT:
Hardening of an electromagnetic wave sensor is accomplished by housing it low ground in a protective reinforced concrete structure that supports a cage of insulated conductors that has an interior portion that partially surrounds the sensor so as to shield it from electrical disturbances and an exterior portion that interacts with electromagnetic wave energy present at the ground level and improves the signal couplng to the sensor.
REFERENCES:
patent: 2532919 (1950-12-01), Johnson
patent: 3435457 (1969-03-01), Brueckmann
Henry John W.
Leydorf George F.
Tharp Nelson B.
Lieberman Eli
Sciascia R. S.
Shrago L. I.
The United States of America as represented by the Secretary of
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