Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1975-02-10
1976-03-30
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
324 9, G01V 304
Patent
active
039477568
ABSTRACT:
A device for geophysical prospecting of ore deposits, wherein the supply circuit is made up of a direct-current source provided with apparatus for changing current intensity, a main current-carrying electrode having electrical contact with an ore body, and an auxiliary current-carrying electrode electrically connected with the medium enclosing said ore body. Connected in said supply circuit is a current intensity detector connected whereto is a series circuit made up of a compensating voltage generator, a summing unit and a unit for measuring the potentials of electrochemical reactions on the surface of the ore body. The latter unit is connected to the main current-carrying electrode. The device includes a unit for setting the time of excitation by direct current of the ore body and comprises, according to the invention, a series circuit made up of a unit for setting values of the potentials of electrochemical reactions on the surface of the ore body, a comparator and a control unit. A recording unit provided in the device is connected to the unit for setting values of the potentials of electrochemical reactions and to the current intensity detector to record in the form of polarization curves the relationships between the set potentials of electrochemical reactions on the surface of the ore body and the currents flowing through the surface of that body, which currents account for said potentials. The device also may have at least two current-carrying electrodes having contact with the medium enclosing the ore body.
REFERENCES:
patent: 3659192 (1972-04-01), Ryss et al.
patent: 3758846 (1973-09-01), Ryss et al.
Bakhtin Jury Grigorievich
Chamaev Viktor Nikolaevich
Panteleimonov Vladimir Mikhailovich
Ryss Jury Samuilovich
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