Method of manufacturing a magnetic locator

Details Method of manufacturing a magnetic locator Method of manufacturing a magnetic locator

1975-01-17

1976-08-31

Hall, Carl E.

Metal working

Method of mechanical manufacture

Electrical device making

29453, 324 3, 324 8, 336 65, 336 92, H01F 4100

Patent

active

039770729

ABSTRACT:
A magnetic locator in which flux-gate sensors are mounted in longitudinal notches or grooves 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 are 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. 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: 2620381 (1952-12-01), Mayes et al.
patent: 2698920 (1955-01-01), Gieske
patent: 3184620 (1965-05-01), Leibowitz et al.
patent: 3281660 (1966-10-01), Studenick
patent: 3439264 (1969-04-01), Schonstedt
patent: 3824455 (1974-07-01), Levitt et al.

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