Induction sensor responsive to a displacement of a movable body

Details Induction sensor responsive to a displacement of a movable body Induction sensor responsive to a displacement of a movable body

1994-12-20

1996-06-04

Snow, Walter E.

Electricity: measuring and testing

Magnetic

Displacement

32420724, G01B 714, G01B 730

Patent

active

055236839

ABSTRACT:
In an induction sensor for sensing the displacement of a movable body by electromagnetic induction, a scaler and a slider are each implemented as a hollow cylinder consisting of a plurality of conductors in the form of a coil. The conductors of each of the scaler and slider alternate with each other in a displacement sensing direction. The sensor can be assembled with a minimum of fine adjustment, eliminates wasteful areas, and provides the slider with high sensing accuracy without increasing currents to flow through the scaler.

REFERENCES:
patent: 4223300 (1980-09-01), Wiklund
patent: 4893077 (1990-11-01), Auchterlonie

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