Underground pipe detector

Details Underground pipe detector Underground pipe detector

1977-03-07

1977-12-06

Lieberman, Eli

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343719, 343740, 343797, 343803, H01Q 104, H01Q 2126

Patent

active

040620107

ABSTRACT:
An apparatus and method wherein an electrical 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: 1365579 (1921-01-01), Appleby et al.
patent: 3183510 (1965-05-01), Rawls

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