Magnetic detecting apparatus with novel means for positioning se

Details Magnetic detecting apparatus with novel means for positioning se Magnetic detecting apparatus with novel means for positioning se

1977-01-05

1978-08-29

Corcoran, Robert J.

Electricity: measuring and testing

Magnetic

Magnetometers

324 3, G01R 3304

Patent

active

041106890

ABSTRACT:
A magnetic locator in which flux-gate sensors are mounted in longitudinal notches at the ends of a tubular support to form an assembly which is inserted into a tubular housing, the sensors being press-fitted into the notches and the tubular support being provided with spaced bushings of material which is compressed when inserted into the housing. A stiff hairpin excitation conductor extends through the sensors and through the tubular support, being preassembled with one of the sensors and being connected to a circuit chassis for positioning the sensor assembly in the housing. A simplified electrical circuit is employed which produces a beat frequency signal when a magnetic object is located and which avoids the need for a voltage to frequency converter.

REFERENCES:
patent: 2642479 (1953-06-01), Jones
patent: 3439264 (1969-04-01), Schonstedt
patent: 3736502 (1973-05-01), Schonstedt
Product Engineering; Jan. 13, 1965; p. 64.

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