Device for evaluating periodic signals from inductive pick-ups h

Details Device for evaluating periodic signals from inductive pick-ups h Device for evaluating periodic signals from inductive pick-ups h

1992-09-21

1994-05-31

Snow, Walter E.

Electricity: measuring and testing

Magnetic

With compensation for test variable

32420712, 324168, G01N 2772, G01B 714, G01P 348, G01P 354

Patent

active

053172582

ABSTRACT:
A device for evaluating periodic signals from inductive pick-ups compensates for the lag of the pick-up signal. This lag increases with increasing frequency as a consequence of the inductance of the pick-up, with respect to the position of a movable part that is to be scanned by the said pick-up. The relative time shift in the evaluation edge of the pick-up signal, which is phase-compensated via the frequency, is compensated for via changes in the amplitude of the pick-up signal.

REFERENCES:
Elektrotechnik 66 (Mar. 1984), p. 61, "Drehzahlgeber mit de Magnetschranke HKZ 101" (no translation).

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