The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 06, 1991
Filed:
Feb. 23, 1990
Applicant:
Inventors:
Jury M Mamontov, Moscow, SU;
Vladimir R Andrianov, Moscow, SU;
Vladimir J Danilov, Moscow, SU;
Igor G Romanov, Moscow, SU;
Boris S Chubarov, Moscow, SU;
Ivan A Voblov, Moscow, SU;
Vladimir V Melnikov, Moscow, SU;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V / ; G01V / ; G01R / ; G01N / ;
U.S. Cl.
CPC ...
324329 ; 324225 ; 324243 ;
Abstract
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.