Abstract
With detailed large-scale topographic surveys of cities, especially when photographing executive master plans of industrial facilities, geodetic services perform work on measuring not only ground sites, but also - on detecting and localizing of underground utilities: water, oil and gas metal pipelines, power and telephone cables, etc. The search for underground communications by various services is carried out at use of special electronic devices for searching of underground communications: tracers, cable detectors. A number of shortcomings have been identified when operating these devices, including difficulties in detecting and fixing of pipes or cables in conditions of increased industrial interference, insufficient efficacy and accuracy of the search process, high energy consumption, low level of ease of operation, due to relatively large weight and size parameters. A comparative analysis of currently used search devices has proven technical defects of circuit solutions, and has formed the basis for developing of an electronic circuit. A working model of an underground utility finder with a pulse converter has been produced. Main technical characteristics were obtained after testing. The technical solution has been patented in the GU of the Intellectual Property Center of the Republic of Uzbekistan.
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