Electromagnetic shield for an inductive search coil assembly

Details Electromagnetic shield for an inductive search coil assembly Electromagnetic shield for an inductive search coil assembly

1990-05-29

1991-11-26

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

For small object detection or location

324236, 336 84C, 336200, G01V 311, H01F 1504, H01F 1514, H05K 900

Patent

active

050686127

ABSTRACT:
A search coil assembly for an inductive search device is described having a hield formed from a carrier layer and a thin metal coating applied thereupon, in which the coating is arranged into a plurality of parallel circuit tracks. The circuit tracks are electrically connected to one another by connecting tracks and to a reference potential. The described search coil assembly can be advantageously constructed by multi-layer circuit board technology.

REFERENCES:
patent: 3409805 (1968-11-01), Whipple et al.
patent: 3444460 (1969-05-01), Penney, Jr.
patent: 3519919 (1970-07-01), Rance
patent: 3662255 (1972-05-01), Garrett
patent: 4451812 (1984-05-01), Vescovi et al.
patent: 4593245 (1986-06-01), Viertl et al.
patent: 4797614 (1989-01-01), Nelson
patent: 4862316 (1989-08-01), Smith et al.

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