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Inzhenerny Tsentr Vnii Po Stroitelstvu Magistralnykh Truboprovodov

Jury M Mamontov

Vladimir J Danilov

Vladimir R Andrianov

Igor G Romanov

Vladimir V Melnikov

Boris A Trukhlin

Boris S Chubarov

Ivan A Voblov

The detector of the invention comprises two driving loops mounted at an angle to one another and rigidly tied to receiving loops connected to a balancer, differential amplifier and to the data inputs of electric signal compensators. The detector is equipped with a switch, providing alternate connection of a generator to one driving loop and to the control input of one compensator and the output thereof to the input of an amplifier, and then to the other driving loop and to the control input of the other compensator and its output to the input of the other amplifier. The amplifiers are connected to data processors, recorders, an OR gate, and a signalling unit.

Metalliferous objects detector having a pair of angularly positioned

The detector of metalliferous objects comprising an electrically coupled to an alternating voltage generator driving loop, rigidly fitted to two pairs of receiving loops, positioned at opposite sides of the driving loop, coaxial and parallel to one another. The receiving loops are connected to connected in series balancers, differential amplifiers, electric signal compensators with the control inputs thereof connected to the generator, selective amplifiers, data processors, logic OR gate, and signalling unit.

Detector of metalliferous objects having two pairs of receiving loops

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Moscow, Russia

Jury M Mamontov