Passive magnetic position sensor

Details Passive magnetic position sensor Passive magnetic position sensor

1996-05-14

1998-08-25

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Displacement

32420722, 33708, G01B 714, G01B 700, G01D 514, H01H 3600

Patent

active

057986401

ABSTRACT:
A passive magnetic position sensor is constructed of an electrically non-conductive, non-magnetic substrate on which a resistance layer and a soft-magnetic, electrically conductive bending-beam structure are arranged. The resistance layer and bending-beam structure are arranged at a constant distance apart partially overlapping each other. The distance apart is selected so that, under the action of a magnet device conducted along the overlapping region of the bending-beam structure and resistance layer, contact is produced between resistance layer and soft-magnetic bending-beam structure. In order to provide a position sensor which permits a precise tapping of voltage, the electrically conductively developed resistance layer has along its longitudinal direction a meander-like structure adjoined by taps which have contact surfaces on the regions opposite the soft-magnetic bending-beam structure.

REFERENCES:
patent: 5074053 (1991-12-01), West

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