Communications: radio wave antennas – Antennas – Buried underground or submerged under water
Patent
1976-03-11
1977-06-07
Lieberman, Eli
Communications: radio wave antennas
Antennas
Buried underground or submerged under water
343802, 343803, 343873, H01Q 104, H01Q 2126
Patent
active
040287076
ABSTRACT:
An apparatus and method wherein an electrial impulse source transmits a radar-type signal through an antenna into the ground and is reflected by a target. The reflected signal or echo is detected by the antenna and an analog-to-digital converter converts it to a digital form which may be readily operated on, stored and recalled. A memory stores the information until recalled for comparison with a subsequent signal to give an indication of the location of metallic and non-metallic buried targets.
REFERENCES:
patent: 2285669 (1942-06-01), Lehman
patent: 2887682 (1959-05-01), Charman et al.
Caldecott Ross
Young Jonathan D.
Lieberman Eli
Millard Sidney W.
The Ohio State University
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