Distance pulse averaging unit

Details Distance pulse averaging unit Distance pulse averaging unit

1990-06-29

1991-04-09

Miska, Vit W.

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

324 78R, 324166, G04F 800, G01R 2302

Patent

active

050070355

ABSTRACT:
A distance pulse unit measures the period between valid edges of asymmetrically shaped pulses from a distance pulse sensor. The unit counts individual clock pulse or averages eight individual clock pulses used to determine the period. The averaging occurs if the frequency of the sensor pulses are above a chosen frequency. The averaging aids in reducing the effects of the asymmetry of the sensor pulses.

REFERENCES:
patent: 4569599 (1986-02-01), Bolkow et al.
patent: 4581713 (1986-04-01), Fennel
patent: 4603292 (1986-07-01), Russell
patent: 4884227 (1989-11-01), Watanabe
patent: 4891588 (1990-01-01), Fujioka et al.

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