At 10:16 PM 3/15/02 -0600, Jim wrote:
>Permeability change (inductance change) on a small
>coil (I'm think of the paper-form or plastic style
>IF cans of years past) with a movable (sliding)
>core against the force a small spring or other
>elastic component ...

Even easier - measure the inductance change in a coil spring.

dwayne


Dwayne Reid   <dwayner@planet.eon.net>
Trinity Electronics Systems Ltd    Edmonton, AB, CANADA
(780) 489-3199 voice          (780) 487-6397 fax

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