Metal detector with first and second nested rectangular coils

Details Metal detector with first and second nested rectangular coils Metal detector with first and second nested rectangular coils

1976-05-03

1977-10-11

Corcoran, Robert J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

29602R, 336 87, 336122, 336188, G01R 3312

Patent

active

040538281

ABSTRACT:
An orthogonal coil metal detector with nesting rectangular coils, each comprising a plurality of turns encapsulated in an insulating material and having a layer of electrical resistive material thereon. An encapsulating material in the gap between the coils bonding the coils together. A fixture for supporting the coils in spaced relations and providing for translation and rotation of one coil relative to the other for adjusting the coil position to a minimum coupling condition, and for holding the coils in the adjusted condition during curing.

REFERENCES:
patent: 1624473 (1927-04-01), Clement
patent: 1676779 (1928-07-01), Herr
patent: 2160356 (1939-05-01), Fore et al.
patent: 2912642 (1959-11-01), Dahle
patent: 3457502 (1969-07-01), Cohn

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